<?xml version="1.0" encoding="us-ascii" standalone="yes"?>
<!--Created by IRIS, Powered by IRIS Carbon-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xl="http://www.xbrl.org/2003/XLink" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-csocil" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-csocil" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-csose" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-csose" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-ltbl" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-ltbl" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-oltl" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-oltl" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-sosapt" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-sosapt" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-ltblt" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-ltblt" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-oltlt" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-oltlt" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-sbct" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-sbct" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-tt" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-tt" />
  <link:roleRef roleURI="http://www.vimicro.com/role/DisclosureSummaryOfSignificantAccountingPoliciesDetails11" xlink:type="simple" xlink:href="vimc-20141231.xsd#DisclosureSummaryOfSignificantAccountingPoliciesDetails11" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-oapaind" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-oapaind" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-oapadond" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-oapadond" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-oapasodosavd" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-oapasodosavd" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-sosapiiuaacaiieind" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-sosapiiuaacaiieind" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-sosapsocwafmtotrd" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-sosapsocwafmtotrd" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-sosapsocwafmtotd" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-sosapsocwafmtotd" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-sosapsocwafmtotred" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-sosapsocwafmtotred" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-sosapsonfvmfecoad" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-sosapsonfvmfecoad" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-sosapsoeuld" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-sosapsoeuld" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-sosapgnd" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-sosapgnd" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-sosapiaalatbdoadond" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-sosapiaalatbdoadond" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-sosappwrrggacitessawbppaasrnd" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-sosappwrrggacitessawbppaasrnd" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-sosaplurnd" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-sosaplurnd" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-sosapgmnd" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-sosapgmnd" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-vied" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-vied" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-dond" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-dond" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-rcd" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-rcd" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-peasnsopeasnd" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-peasnsopeasnd" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-peasnnd" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-peasnnd" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-lurnsolurd" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-lurnsolurd" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-lurnnd" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-lurnnd" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-lurnsoeaeolurafeonfyd" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-lurnsoeaeolurafeonfyd" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-ltblsoltdd" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-ltblsoltdd" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-ltblnd" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-ltblnd" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-oltlnd" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-oltlnd" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-send" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-send" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-sesosrd" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-sesosrd" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-sbcnd" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-sbcnd" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-sbcsosogtbeaned" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-sbcsosogtbeaned" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-sbcsorsgtbeaned" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-sbcsorsgtbeaned" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-sbcsoiwrtood" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-sbcsoiwrtood" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-sbcsoafogd" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-sbcsoafogd" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-tsoitbeacolid" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-tsoitbeacolid" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-titand" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-titand" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-titrnd" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-titrnd" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-rptnd" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-rptnd" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-rptsogtwrpd" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-rptsogtwrpd" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-rptsorptd" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-rptsorptd" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-rptsorpbd" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-rptsorpbd" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-srsoibbsd" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-srsoibbsd" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-srsordbcodd" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-srsordbcodd" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-srsoiodolabgrd" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-srsoiodolabgrd" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-srsogrfepcd" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-srsogrfepcd" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-aocid" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-aocid" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-nisocincid" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-nisocincid" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-cacolcppcaccnd" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-cacolcppcaccnd" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-caccipnd" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-caccipnd" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-sed1" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-sed1" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-cfiotcnd" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-cfiotcnd" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-cfiotcsobsd" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-cfiotcsobsd" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-cfiotcsosooacld" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-cfiotcsosooacld" />
  <link:roleRef roleURI="http://www.vimicro.com/role/vimc-cfiotcsosocfd" xlink:type="simple" xlink:href="vimc-20141231.xsd#vimc-cfiotcsosocfd" />
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-csocil">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems" xlink:title="us-gaap_StatementLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable" xlink:title="us-gaap_StatementTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StatementTable" xlink:title="Definition : us-gaap_StatementLineItems to us-gaap_StatementTable" xlink:type="arc" order="10" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="us-gaap_IncomeStatementLocationAxis" xlink:title="us-gaap_IncomeStatementLocationAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="us-gaap_IncomeStatementLocationDomain" xlink:title="us-gaap_IncomeStatementLocationDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_IncomeStatementLocationAxis" xlink:to="us-gaap_IncomeStatementLocationDomain" xlink:title="Definition : us-gaap_IncomeStatementLocationAxis to us-gaap_IncomeStatementLocationDomain" xlink:type="arc" order="10" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingExpensesAbstract" xlink:label="us-gaap_OperatingExpensesAbstract" xlink:title="us-gaap_OperatingExpensesAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ResearchAndDevelopmentExpense" xlink:label="us-gaap_ResearchAndDevelopmentExpense" xlink:title="us-gaap_ResearchAndDevelopmentExpense" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_OperatingExpensesAbstract" xlink:to="us-gaap_ResearchAndDevelopmentExpense" xlink:title="Definition : us-gaap_OperatingExpensesAbstract to us-gaap_ResearchAndDevelopmentExpense" xlink:type="arc" order="10" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NonoperatingIncomeExpenseAbstract" xlink:label="us-gaap_NonoperatingIncomeExpenseAbstract" xlink:title="us-gaap_NonoperatingIncomeExpenseAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InterestIncomeExpenseNonoperatingNet" xlink:label="us-gaap_InterestIncomeExpenseNonoperatingNet" xlink:title="us-gaap_InterestIncomeExpenseNonoperatingNet" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_NonoperatingIncomeExpenseAbstract" xlink:to="us-gaap_InterestIncomeExpenseNonoperatingNet" xlink:title="Definition : us-gaap_NonoperatingIncomeExpenseAbstract to us-gaap_InterestIncomeExpenseNonoperatingNet" xlink:type="arc" order="10" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:title="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xlink:label="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xlink:title="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:to="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xlink:title="Definition : us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract to us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xlink:type="arc" order="10" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EarningsPerShareBasicAbstract" xlink:label="us-gaap_EarningsPerShareBasicAbstract" xlink:title="us-gaap_EarningsPerShareBasicAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsPerBasicShare" xlink:label="us-gaap_IncomeLossFromContinuingOperationsPerBasicShare" xlink:title="us-gaap_IncomeLossFromContinuingOperationsPerBasicShare" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_EarningsPerShareBasicAbstract" xlink:to="us-gaap_IncomeLossFromContinuingOperationsPerBasicShare" xlink:title="Definition : us-gaap_EarningsPerShareBasicAbstract to us-gaap_IncomeLossFromContinuingOperationsPerBasicShare" xlink:type="arc" order="10" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EarningsPerShareDilutedAbstract" xlink:label="us-gaap_EarningsPerShareDilutedAbstract" xlink:title="us-gaap_EarningsPerShareDilutedAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare" xlink:label="us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare" xlink:title="us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_EarningsPerShareDilutedAbstract" xlink:to="us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare" xlink:title="Definition : us-gaap_EarningsPerShareDilutedAbstract to us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare" xlink:type="arc" order="10" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_Revenues" xlink:label="us-gaap_Revenues" xlink:title="us-gaap_Revenues" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_RevenueFromThirdParties" xlink:label="vimc_RevenueFromThirdParties" xlink:title="vimc_RevenueFromThirdParties" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_Revenues" xlink:to="vimc_RevenueFromThirdParties" xlink:title="Definition : us-gaap_Revenues to vimc_RevenueFromThirdParties" xlink:type="arc" order="10" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ResearchAndDevelopmentExpenseMember" xlink:label="us-gaap_ResearchAndDevelopmentExpenseMember" xlink:title="us-gaap_ResearchAndDevelopmentExpenseMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeStatementLocationDomain" xlink:to="us-gaap_ResearchAndDevelopmentExpenseMember" xlink:title="Definition : us-gaap_IncomeStatementLocationDomain to us-gaap_ResearchAndDevelopmentExpenseMember" xlink:type="arc" order="10" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EarningsPerShareBasicAndDilutedOtherDisclosuresAbstract" xlink:label="us-gaap_EarningsPerShareBasicAndDilutedOtherDisclosuresAbstract" xlink:title="us-gaap_EarningsPerShareBasicAndDilutedOtherDisclosuresAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:title="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_EarningsPerShareBasicAndDilutedOtherDisclosuresAbstract" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:title="Definition : us-gaap_EarningsPerShareBasicAndDilutedOtherDisclosuresAbstract to us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:type="arc" order="10" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ComponentsOfShareBasedCompensationExpensesAreIncludedInFollowingExpenseCaptionsAbstract" xlink:label="vimc_ComponentsOfShareBasedCompensationExpensesAreIncludedInFollowingExpenseCaptionsAbstract" xlink:title="vimc_ComponentsOfShareBasedCompensationExpensesAreIncludedInFollowingExpenseCaptionsAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="us-gaap_ShareBasedCompensation" xlink:title="us-gaap_ShareBasedCompensation" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_ComponentsOfShareBasedCompensationExpensesAreIncludedInFollowingExpenseCaptionsAbstract" xlink:to="us-gaap_ShareBasedCompensation" xlink:title="Definition : vimc_ComponentsOfShareBasedCompensationExpensesAreIncludedInFollowingExpenseCaptionsAbstract to us-gaap_ShareBasedCompensation" xlink:type="arc" order="10" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_IncomeStatementLocationAxis" xlink:title="Definition : us-gaap_StatementTable to us-gaap_IncomeStatementLocationAxis" xlink:type="arc" order="10" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="us-gaap_IncomeStatementLocationDomain_1" xlink:title="us-gaap_IncomeStatementLocationDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_IncomeStatementLocationAxis" xlink:to="us-gaap_IncomeStatementLocationDomain_1" xlink:title="Definition : us-gaap_IncomeStatementLocationAxis to us-gaap_IncomeStatementLocationDomain" xlink:type="arc" order="20" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SellingAndMarketingExpense" xlink:label="us-gaap_SellingAndMarketingExpense" xlink:title="us-gaap_SellingAndMarketingExpense" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_OperatingExpensesAbstract" xlink:to="us-gaap_SellingAndMarketingExpense" xlink:title="Definition : us-gaap_OperatingExpensesAbstract to us-gaap_SellingAndMarketingExpense" xlink:type="arc" order="20" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ForeignCurrencyTransactionGainLossBeforeTax" xlink:label="us-gaap_ForeignCurrencyTransactionGainLossBeforeTax" xlink:title="us-gaap_ForeignCurrencyTransactionGainLossBeforeTax" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_NonoperatingIncomeExpenseAbstract" xlink:to="us-gaap_ForeignCurrencyTransactionGainLossBeforeTax" xlink:title="Definition : us-gaap_NonoperatingIncomeExpenseAbstract to us-gaap_ForeignCurrencyTransactionGainLossBeforeTax" xlink:type="arc" order="20" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax" xlink:label="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax" xlink:title="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:to="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax" xlink:title="Definition : us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract to us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax" xlink:type="arc" order="20" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare" xlink:title="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_EarningsPerShareBasicAbstract" xlink:to="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare" xlink:title="Definition : us-gaap_EarningsPerShareBasicAbstract to us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare" xlink:type="arc" order="20" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare" xlink:title="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_EarningsPerShareDilutedAbstract" xlink:to="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare" xlink:title="Definition : us-gaap_EarningsPerShareDilutedAbstract to us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare" xlink:type="arc" order="20" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RevenueFromRelatedParties" xlink:label="us-gaap_RevenueFromRelatedParties" xlink:title="us-gaap_RevenueFromRelatedParties" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_Revenues" xlink:to="us-gaap_RevenueFromRelatedParties" xlink:title="Definition : us-gaap_Revenues to us-gaap_RevenueFromRelatedParties" xlink:type="arc" order="20" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SellingAndMarketingExpenseMember" xlink:label="us-gaap_SellingAndMarketingExpenseMember" xlink:title="us-gaap_SellingAndMarketingExpenseMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeStatementLocationDomain" xlink:to="us-gaap_SellingAndMarketingExpenseMember" xlink:title="Definition : us-gaap_IncomeStatementLocationDomain to us-gaap_SellingAndMarketingExpenseMember" xlink:type="arc" order="20" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_Revenues" xlink:title="Definition : us-gaap_StatementLineItems to us-gaap_Revenues" xlink:type="arc" order="20" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:title="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_EarningsPerShareBasicAndDilutedOtherDisclosuresAbstract" xlink:to="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:title="Definition : us-gaap_EarningsPerShareBasicAndDilutedOtherDisclosuresAbstract to us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:type="arc" order="20" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:label="us-gaap_GeneralAndAdministrativeExpense" xlink:title="us-gaap_GeneralAndAdministrativeExpense" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_OperatingExpensesAbstract" xlink:to="us-gaap_GeneralAndAdministrativeExpense" xlink:title="Definition : us-gaap_OperatingExpensesAbstract to us-gaap_GeneralAndAdministrativeExpense" xlink:type="arc" order="30" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MarketableSecuritiesRealizedGainLoss" xlink:label="us-gaap_MarketableSecuritiesRealizedGainLoss" xlink:title="us-gaap_MarketableSecuritiesRealizedGainLoss" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_NonoperatingIncomeExpenseAbstract" xlink:to="us-gaap_MarketableSecuritiesRealizedGainLoss" xlink:title="Definition : us-gaap_NonoperatingIncomeExpenseAbstract to us-gaap_MarketableSecuritiesRealizedGainLoss" xlink:type="arc" order="8010" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MarketableSecuritiesUnrealizedGainLoss" xlink:label="us-gaap_MarketableSecuritiesUnrealizedGainLoss" xlink:title="us-gaap_MarketableSecuritiesUnrealizedGainLoss" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:to="us-gaap_MarketableSecuritiesUnrealizedGainLoss" xlink:title="Definition : us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract to us-gaap_MarketableSecuritiesUnrealizedGainLoss" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="us-gaap_EarningsPerShareBasic" xlink:title="us-gaap_EarningsPerShareBasic" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_EarningsPerShareBasicAbstract" xlink:to="us-gaap_EarningsPerShareBasic" xlink:title="Definition : us-gaap_EarningsPerShareBasicAbstract to us-gaap_EarningsPerShareBasic" xlink:type="arc" order="30" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="us-gaap_EarningsPerShareDiluted" xlink:title="us-gaap_EarningsPerShareDiluted" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_EarningsPerShareDilutedAbstract" xlink:to="us-gaap_EarningsPerShareDiluted" xlink:title="Definition : us-gaap_EarningsPerShareDilutedAbstract to us-gaap_EarningsPerShareDiluted" xlink:type="arc" order="30" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GeneralAndAdministrativeExpenseMember" xlink:label="us-gaap_GeneralAndAdministrativeExpenseMember" xlink:title="us-gaap_GeneralAndAdministrativeExpenseMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeStatementLocationDomain" xlink:to="us-gaap_GeneralAndAdministrativeExpenseMember" xlink:title="Definition : us-gaap_IncomeStatementLocationDomain to us-gaap_GeneralAndAdministrativeExpenseMember" xlink:type="arc" order="30" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CostOfRevenue" xlink:label="us-gaap_CostOfRevenue" xlink:title="us-gaap_CostOfRevenue" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_CostOfRevenue" xlink:title="Definition : us-gaap_StatementLineItems to us-gaap_CostOfRevenue" xlink:type="arc" order="30" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AssetImpairmentCharges" xlink:label="us-gaap_AssetImpairmentCharges" xlink:title="us-gaap_AssetImpairmentCharges" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_OperatingExpensesAbstract" xlink:to="us-gaap_AssetImpairmentCharges" xlink:title="Definition : us-gaap_OperatingExpensesAbstract to us-gaap_AssetImpairmentCharges" xlink:type="arc" order="40" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GainOrLossOnSaleOfStockInSubsidiary" xlink:label="us-gaap_GainOrLossOnSaleOfStockInSubsidiary" xlink:title="us-gaap_GainOrLossOnSaleOfStockInSubsidiary" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_NonoperatingIncomeExpenseAbstract" xlink:to="us-gaap_GainOrLossOnSaleOfStockInSubsidiary" xlink:title="Definition : us-gaap_NonoperatingIncomeExpenseAbstract to us-gaap_GainOrLossOnSaleOfStockInSubsidiary" xlink:type="arc" order="30" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GrossProfit" xlink:label="us-gaap_GrossProfit" xlink:title="us-gaap_GrossProfit" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_GrossProfit" xlink:title="Definition : us-gaap_StatementLineItems to us-gaap_GrossProfit" xlink:type="arc" order="40" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingExpenses" xlink:label="us-gaap_OperatingExpenses" xlink:title="us-gaap_OperatingExpenses" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_OperatingExpensesAbstract" xlink:to="us-gaap_OperatingExpenses" xlink:title="Definition : us-gaap_OperatingExpensesAbstract to us-gaap_OperatingExpenses" xlink:type="arc" order="50" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="us-gaap_OtherNonoperatingIncomeExpense" xlink:title="us-gaap_OtherNonoperatingIncomeExpense" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_NonoperatingIncomeExpenseAbstract" xlink:to="us-gaap_OtherNonoperatingIncomeExpense" xlink:title="Definition : us-gaap_NonoperatingIncomeExpenseAbstract to us-gaap_OtherNonoperatingIncomeExpense" xlink:type="arc" order="40" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:title="us-gaap_OtherComprehensiveIncomeLossNetOfTax" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:to="us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:title="Definition : us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract to us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:type="arc" order="30" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_OperatingExpensesAbstract" xlink:title="Definition : us-gaap_StatementLineItems to us-gaap_OperatingExpensesAbstract" xlink:type="arc" order="50" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:title="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:to="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:title="Definition : us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract to us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:type="arc" order="60" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="us-gaap_OperatingIncomeLoss" xlink:title="us-gaap_OperatingIncomeLoss" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_OperatingIncomeLoss" xlink:title="Definition : us-gaap_StatementLineItems to us-gaap_OperatingIncomeLoss" xlink:type="arc" order="60" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:title="us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:to="us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:title="Definition : us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract to us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:type="arc" order="70" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_NonoperatingIncomeExpenseAbstract" xlink:title="Definition : us-gaap_StatementLineItems to us-gaap_NonoperatingIncomeExpenseAbstract" xlink:type="arc" order="70" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax" xlink:title="us-gaap_ComprehensiveIncomeNetOfTax" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:to="us-gaap_ComprehensiveIncomeNetOfTax" xlink:title="Definition : us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract to us-gaap_ComprehensiveIncomeNetOfTax" xlink:type="arc" order="80" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:title="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:title="Definition : us-gaap_StatementLineItems to us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:type="arc" order="80" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="us-gaap_IncomeTaxExpenseBenefit" xlink:title="us-gaap_IncomeTaxExpenseBenefit" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_IncomeTaxExpenseBenefit" xlink:title="Definition : us-gaap_StatementLineItems to us-gaap_IncomeTaxExpenseBenefit" xlink:type="arc" order="90" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_NetIncomeOrLossBeforeShareOfProfitLossOfUnconsolidatedAffiliate" xlink:label="vimc_NetIncomeOrLossBeforeShareOfProfitLossOfUnconsolidatedAffiliate" xlink:title="vimc_NetIncomeOrLossBeforeShareOfProfitLossOfUnconsolidatedAffiliate" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="vimc_NetIncomeOrLossBeforeShareOfProfitLossOfUnconsolidatedAffiliate" xlink:title="Definition : us-gaap_StatementLineItems to vimc_NetIncomeOrLossBeforeShareOfProfitLossOfUnconsolidatedAffiliate" xlink:type="arc" order="100" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="us-gaap_IncomeLossFromEquityMethodInvestments" xlink:title="us-gaap_IncomeLossFromEquityMethodInvestments" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_IncomeLossFromEquityMethodInvestments" xlink:title="Definition : us-gaap_StatementLineItems to us-gaap_IncomeLossFromEquityMethodInvestments" xlink:type="arc" order="110" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" xlink:label="us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" xlink:title="us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" xlink:title="Definition : us-gaap_StatementLineItems to us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" xlink:type="arc" order="120" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity" xlink:label="us-gaap_IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity" xlink:title="us-gaap_IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity" xlink:title="Definition : us-gaap_StatementLineItems to us-gaap_IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity" xlink:type="arc" order="130" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeLossFromContinuingOperations" xlink:label="us-gaap_IncomeLossFromContinuingOperations" xlink:title="us-gaap_IncomeLossFromContinuingOperations" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_IncomeLossFromContinuingOperations" xlink:title="Definition : us-gaap_StatementLineItems to us-gaap_IncomeLossFromContinuingOperations" xlink:type="arc" order="140" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax" xlink:title="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax" xlink:title="Definition : us-gaap_StatementLineItems to us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax" xlink:type="arc" order="150" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest" xlink:title="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest" xlink:title="Definition : us-gaap_StatementLineItems to us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest" xlink:type="arc" order="160" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" xlink:title="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" xlink:title="Definition : us-gaap_StatementLineItems to us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" xlink:type="arc" order="170" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProfitLoss" xlink:label="us-gaap_ProfitLoss" xlink:title="us-gaap_ProfitLoss" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_ProfitLoss" xlink:title="Definition : us-gaap_StatementLineItems to us-gaap_ProfitLoss" xlink:type="arc" order="180" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:title="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:title="Definition : us-gaap_StatementLineItems to us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:type="arc" order="190" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss" xlink:title="us-gaap_NetIncomeLoss" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_NetIncomeLoss" xlink:title="Definition : us-gaap_StatementLineItems to us-gaap_NetIncomeLoss" xlink:type="arc" order="200" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:title="Definition : us-gaap_StatementLineItems to us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:type="arc" order="210" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_EarningsPerShareBasicAbstract" xlink:title="Definition : us-gaap_StatementLineItems to us-gaap_EarningsPerShareBasicAbstract" xlink:type="arc" order="220" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_EarningsPerShareDilutedAbstract" xlink:title="Definition : us-gaap_StatementLineItems to us-gaap_EarningsPerShareDilutedAbstract" xlink:type="arc" order="230" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_EarningsPerShareBasicAndDilutedOtherDisclosuresAbstract" xlink:title="Definition : us-gaap_StatementLineItems to us-gaap_EarningsPerShareBasicAndDilutedOtherDisclosuresAbstract" xlink:type="arc" order="240" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="vimc_ComponentsOfShareBasedCompensationExpensesAreIncludedInFollowingExpenseCaptionsAbstract" xlink:title="Definition : us-gaap_StatementLineItems to vimc_ComponentsOfShareBasedCompensationExpensesAreIncludedInFollowingExpenseCaptionsAbstract" xlink:type="arc" order="250" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_DeferredIncomeReceivedFromDisposalOfSubsidiary" xlink:label="vimc_DeferredIncomeReceivedFromDisposalOfSubsidiary" xlink:title="vimc_DeferredIncomeReceivedFromDisposalOfSubsidiary" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:to="vimc_DeferredIncomeReceivedFromDisposalOfSubsidiary" xlink:title="Definition : us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract to vimc_DeferredIncomeReceivedFromDisposalOfSubsidiary" xlink:type="arc" use="optional" order="8010" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-csose">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems" xlink:title="us-gaap_StatementLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementTable" xlink:label="us-gaap_StatementTable" xlink:title="us-gaap_StatementTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StatementTable" xlink:title="Definition : us-gaap_StatementLineItems to us-gaap_StatementTable" xlink:type="arc" order="10" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="us-gaap_StatementEquityComponentsAxis" xlink:title="us-gaap_StatementEquityComponentsAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="us-gaap_EquityComponentDomain" xlink:title="us-gaap_EquityComponentDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_StatementEquityComponentsAxis" xlink:to="us-gaap_EquityComponentDomain" xlink:title="Definition : us-gaap_StatementEquityComponentsAxis to us-gaap_EquityComponentDomain" xlink:type="arc" order="10" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueTreasuryStockReissued" xlink:label="us-gaap_StockIssuedDuringPeriodValueTreasuryStockReissued" xlink:title="us-gaap_StockIssuedDuringPeriodValueTreasuryStockReissued" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesTreasuryStockReissued" xlink:label="us-gaap_StockIssuedDuringPeriodSharesTreasuryStockReissued" xlink:title="us-gaap_StockIssuedDuringPeriodSharesTreasuryStockReissued" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StockIssuedDuringPeriodValueTreasuryStockReissued" xlink:to="us-gaap_StockIssuedDuringPeriodSharesTreasuryStockReissued" xlink:title="Definition : us-gaap_StockIssuedDuringPeriodValueTreasuryStockReissued to us-gaap_StockIssuedDuringPeriodSharesTreasuryStockReissued" xlink:type="arc" order="10" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ParentMember" xlink:label="us-gaap_ParentMember" xlink:title="us-gaap_ParentMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_EquityComponentDomain" xlink:to="us-gaap_ParentMember" xlink:title="Definition : us-gaap_EquityComponentDomain to us-gaap_ParentMember" xlink:type="arc" order="10" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_CommonStockOutstandingMember" xlink:label="vimc_CommonStockOutstandingMember" xlink:title="vimc_CommonStockOutstandingMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ParentMember" xlink:to="vimc_CommonStockOutstandingMember" xlink:title="Definition : us-gaap_ParentMember to vimc_CommonStockOutstandingMember" xlink:type="arc" order="10" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:label="us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:title="us-gaap_TreasuryStockValueAcquiredCostMethod" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TreasuryStockSharesAcquired" xlink:label="us-gaap_TreasuryStockSharesAcquired" xlink:title="us-gaap_TreasuryStockSharesAcquired" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:to="us-gaap_TreasuryStockSharesAcquired" xlink:title="Definition : us-gaap_TreasuryStockValueAcquiredCostMethod to us-gaap_TreasuryStockSharesAcquired" xlink:type="arc" order="10" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:label="us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:title="us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:title="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:to="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:title="Definition : us-gaap_IncreaseDecreaseInStockholdersEquityRollForward to us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:type="arc" order="10" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan" xlink:label="us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan" xlink:title="us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans" xlink:label="us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans" xlink:title="us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan" xlink:to="us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans" xlink:title="Definition : us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan to us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans" xlink:type="arc" order="10" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_StatementTable" xlink:to="us-gaap_StatementEquityComponentsAxis" xlink:title="Definition : us-gaap_StatementTable to us-gaap_StatementEquityComponentsAxis" xlink:type="arc" order="10" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="us-gaap_EquityComponentDomain_1" xlink:title="us-gaap_EquityComponentDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_StatementEquityComponentsAxis" xlink:to="us-gaap_EquityComponentDomain_1" xlink:title="Definition : us-gaap_StatementEquityComponentsAxis to us-gaap_EquityComponentDomain" xlink:type="arc" order="20" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NoncontrollingInterestMember" xlink:label="us-gaap_NoncontrollingInterestMember" xlink:title="us-gaap_NoncontrollingInterestMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_EquityComponentDomain" xlink:to="us-gaap_NoncontrollingInterestMember" xlink:title="Definition : us-gaap_EquityComponentDomain to us-gaap_NoncontrollingInterestMember" xlink:type="arc" order="20" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="us-gaap_AdditionalPaidInCapitalMember" xlink:title="us-gaap_AdditionalPaidInCapitalMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ParentMember" xlink:to="us-gaap_AdditionalPaidInCapitalMember" xlink:title="Definition : us-gaap_ParentMember to us-gaap_AdditionalPaidInCapitalMember" xlink:type="arc" order="20" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:title="Definition : us-gaap_StatementLineItems to us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:type="arc" order="20" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SharesOutstanding" xlink:label="us-gaap_SharesOutstanding" xlink:title="us-gaap_SharesOutstanding" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:to="us-gaap_SharesOutstanding" xlink:title="Definition : us-gaap_IncreaseDecreaseInStockholdersEquityRollForward to us-gaap_SharesOutstanding" xlink:type="arc" order="20" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis" xlink:title="dei_LegalEntityAxis" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_StatementTable" xlink:to="dei_LegalEntityAxis" xlink:title="Definition : us-gaap_StatementTable to dei_LegalEntityAxis" xlink:type="arc" order="20" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TreasuryStockMember" xlink:label="us-gaap_TreasuryStockMember" xlink:title="us-gaap_TreasuryStockMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ParentMember" xlink:to="us-gaap_TreasuryStockMember" xlink:title="Definition : us-gaap_ParentMember to us-gaap_TreasuryStockMember" xlink:type="arc" order="30" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProfitLoss" xlink:label="us-gaap_ProfitLoss" xlink:title="us-gaap_ProfitLoss" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:to="us-gaap_ProfitLoss" xlink:title="Definition : us-gaap_IncreaseDecreaseInStockholdersEquityRollForward to us-gaap_ProfitLoss" xlink:type="arc" order="30" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="us-gaap_RetainedEarningsMember" xlink:title="us-gaap_RetainedEarningsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ParentMember" xlink:to="us-gaap_RetainedEarningsMember" xlink:title="Definition : us-gaap_ParentMember to us-gaap_RetainedEarningsMember" xlink:type="arc" order="40" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:title="us-gaap_OtherComprehensiveIncomeLossNetOfTax" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:to="us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:title="Definition : us-gaap_IncreaseDecreaseInStockholdersEquityRollForward to us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:type="arc" order="40" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:to="us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan" xlink:title="Definition : us-gaap_IncreaseDecreaseInStockholdersEquityRollForward to us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan" xlink:type="arc" order="50" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:title="us-gaap_AccumulatedOtherComprehensiveIncomeMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ParentMember" xlink:to="us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:title="Definition : us-gaap_ParentMember to us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:type="arc" order="50" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:to="us-gaap_StockIssuedDuringPeriodValueTreasuryStockReissued" xlink:title="Definition : us-gaap_IncreaseDecreaseInStockholdersEquityRollForward to us-gaap_StockIssuedDuringPeriodValueTreasuryStockReissued" xlink:type="arc" order="60" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_StatutoryReserveMember" xlink:label="vimc_StatutoryReserveMember" xlink:title="vimc_StatutoryReserveMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ParentMember" xlink:to="vimc_StatutoryReserveMember" xlink:title="Definition : us-gaap_ParentMember to vimc_StatutoryReserveMember" xlink:type="arc" order="60" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TreasuryStockRetiredCostMethodAmount" xlink:label="us-gaap_TreasuryStockRetiredCostMethodAmount" xlink:title="us-gaap_TreasuryStockRetiredCostMethodAmount" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:to="us-gaap_TreasuryStockRetiredCostMethodAmount" xlink:title="Definition : us-gaap_IncreaseDecreaseInStockholdersEquityRollForward to us-gaap_TreasuryStockRetiredCostMethodAmount" xlink:type="arc" order="80" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:to="us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:title="Definition : us-gaap_IncreaseDecreaseInStockholdersEquityRollForward to us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:type="arc" order="70" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationNonEmployeeStockPurchaseProgramRequisiteServicePeriodRecognition" xlink:label="vimc_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationNonEmployeeStockPurchaseProgramRequisiteServicePeriodRecognition" xlink:title="vimc_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationNonEmployeeStockPurchaseProgramRequisiteServicePeriodRecognition" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:to="vimc_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationNonEmployeeStockPurchaseProgramRequisiteServicePeriodRecognition" xlink:title="Definition : us-gaap_IncreaseDecreaseInStockholdersEquityRollForward to vimc_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationNonEmployeeStockPurchaseProgramRequisiteServicePeriodRecognition" xlink:type="arc" order="90" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationEmployeeStockPurchaseProgramRequisiteServicePeriodRecognition" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationEmployeeStockPurchaseProgramRequisiteServicePeriodRecognition" xlink:title="us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationEmployeeStockPurchaseProgramRequisiteServicePeriodRecognition" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:to="us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationEmployeeStockPurchaseProgramRequisiteServicePeriodRecognition" xlink:title="Definition : us-gaap_IncreaseDecreaseInStockholdersEquityRollForward to us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationEmployeeStockPurchaseProgramRequisiteServicePeriodRecognition" xlink:type="arc" order="100" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_AppropriationsToStatutorySurplusReserve" xlink:label="vimc_AppropriationsToStatutorySurplusReserve" xlink:title="vimc_AppropriationsToStatutorySurplusReserve" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:to="vimc_AppropriationsToStatutorySurplusReserve" xlink:title="Definition : us-gaap_IncreaseDecreaseInStockholdersEquityRollForward to vimc_AppropriationsToStatutorySurplusReserve" xlink:type="arc" order="110" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_DeferredIncomeReceivedFromDisposalOfSubsidiary" xlink:label="vimc_DeferredIncomeReceivedFromDisposalOfSubsidiary" xlink:title="vimc_DeferredIncomeReceivedFromDisposalOfSubsidiary" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:to="vimc_DeferredIncomeReceivedFromDisposalOfSubsidiary" xlink:title="Definition : us-gaap_IncreaseDecreaseInStockholdersEquityRollForward to vimc_DeferredIncomeReceivedFromDisposalOfSubsidiary" xlink:type="arc" order="120" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest" xlink:label="us-gaap_NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest" xlink:title="us-gaap_NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:to="us-gaap_NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest" xlink:title="Definition : us-gaap_IncreaseDecreaseInStockholdersEquityRollForward to us-gaap_NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest" xlink:type="arc" order="130" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain" xlink:title="dei_EntityDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" xlink:title="Definition : dei_LegalEntityAxis to dei_EntityDomain" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VisiondigiMember" xlink:label="vimc_VisiondigiMember" xlink:title="vimc_VisiondigiMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_VisiondigiMember" xlink:title="Definition : dei_EntityDomain to vimc_VisiondigiMember" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain_1" xlink:title="dei_EntityDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain_1" xlink:title="Definition : dei_LegalEntityAxis to dei_EntityDomain" xlink:type="arc" order="8001" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xlink:label="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xlink:title="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:to="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xlink:title="Definition : us-gaap_IncreaseDecreaseInStockholdersEquityRollForward to us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xlink:type="arc" use="optional" order="8040" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-ltbl">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="us-gaap_DebtInstrumentLineItems" xlink:title="us-gaap_DebtInstrumentLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="us-gaap_DebtInstrumentTable" xlink:title="us-gaap_DebtInstrumentTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_DebtInstrumentTable" xlink:title="Definition : us-gaap_DebtInstrumentLineItems to us-gaap_DebtInstrumentTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongTermDebtTextBlock" xlink:label="us-gaap_LongTermDebtTextBlock" xlink:title="us-gaap_LongTermDebtTextBlock" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_LongTermDebtTextBlock" xlink:title="Definition : us-gaap_DebtInstrumentLineItems to us-gaap_LongTermDebtTextBlock" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="us-gaap_LongtermDebtTypeAxis" xlink:title="us-gaap_LongtermDebtTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="us-gaap_LongtermDebtTypeDomain" xlink:title="us-gaap_LongtermDebtTypeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_LongtermDebtTypeAxis" xlink:to="us-gaap_LongtermDebtTypeDomain" xlink:title="Definition : us-gaap_LongtermDebtTypeAxis to us-gaap_LongtermDebtTypeDomain" xlink:type="arc" order="10" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NotesPayableToBanksMember" xlink:label="us-gaap_NotesPayableToBanksMember" xlink:title="us-gaap_NotesPayableToBanksMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_LongtermDebtTypeDomain" xlink:to="us-gaap_NotesPayableToBanksMember" xlink:title="Definition : us-gaap_LongtermDebtTypeDomain to us-gaap_NotesPayableToBanksMember" xlink:type="arc" order="10" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_DebtInstrumentTable" xlink:to="us-gaap_LongtermDebtTypeAxis" xlink:title="Definition : us-gaap_DebtInstrumentTable to us-gaap_LongtermDebtTypeAxis" xlink:type="arc" order="10" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="us-gaap_LongtermDebtTypeDomain_1" xlink:title="us-gaap_LongtermDebtTypeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_LongtermDebtTypeAxis" xlink:to="us-gaap_LongtermDebtTypeDomain_1" xlink:title="Definition : us-gaap_LongtermDebtTypeAxis to us-gaap_LongtermDebtTypeDomain" xlink:type="arc" order="11" xbrldt:closed="false" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-oltl">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="us-gaap_DebtInstrumentLineItems" xlink:title="us-gaap_DebtInstrumentLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="us-gaap_DebtInstrumentTable" xlink:title="us-gaap_DebtInstrumentTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_DebtInstrumentTable" xlink:title="Definition : us-gaap_DebtInstrumentLineItems to us-gaap_DebtInstrumentTable" xlink:type="arc" order="0.1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="us-gaap_LongtermDebtTypeAxis" xlink:title="us-gaap_LongtermDebtTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="us-gaap_LongtermDebtTypeDomain" xlink:title="us-gaap_LongtermDebtTypeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_LongtermDebtTypeAxis" xlink:to="us-gaap_LongtermDebtTypeDomain" xlink:title="Definition : us-gaap_LongtermDebtTypeAxis to us-gaap_LongtermDebtTypeDomain" xlink:type="arc" order="10" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NotesPayableOtherPayablesMember" xlink:label="us-gaap_NotesPayableOtherPayablesMember" xlink:title="us-gaap_NotesPayableOtherPayablesMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_LongtermDebtTypeDomain" xlink:to="us-gaap_NotesPayableOtherPayablesMember" xlink:title="Definition : us-gaap_LongtermDebtTypeDomain to us-gaap_NotesPayableOtherPayablesMember" xlink:type="arc" order="10" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_OtherLiabilitiesNoncurrentDisclosureTextBlock" xlink:label="vimc_OtherLiabilitiesNoncurrentDisclosureTextBlock" xlink:title="vimc_OtherLiabilitiesNoncurrentDisclosureTextBlock" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="vimc_OtherLiabilitiesNoncurrentDisclosureTextBlock" xlink:title="Definition : us-gaap_DebtInstrumentLineItems to vimc_OtherLiabilitiesNoncurrentDisclosureTextBlock" xlink:type="arc" order="10" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_DebtInstrumentTable" xlink:to="us-gaap_LongtermDebtTypeAxis" xlink:title="Definition : us-gaap_DebtInstrumentTable to us-gaap_LongtermDebtTypeAxis" xlink:type="arc" order="10" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_OtherLongTermDebtDisclosureTextBlock" xlink:label="vimc_OtherLongTermDebtDisclosureTextBlock" xlink:title="vimc_OtherLongTermDebtDisclosureTextBlock" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="vimc_OtherLongTermDebtDisclosureTextBlock" xlink:title="Definition : us-gaap_DebtInstrumentLineItems to vimc_OtherLongTermDebtDisclosureTextBlock" xlink:type="arc" order="8000" xbrldt:closed="false" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-sosapt">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConcentrationRiskLineItems" xlink:label="us-gaap_ConcentrationRiskLineItems" xlink:title="us-gaap_ConcentrationRiskLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConcentrationRiskTable" xlink:label="us-gaap_ConcentrationRiskTable" xlink:title="us-gaap_ConcentrationRiskTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_ConcentrationRiskLineItems" xlink:to="us-gaap_ConcentrationRiskTable" xlink:title="Definition : us-gaap_ConcentrationRiskLineItems to us-gaap_ConcentrationRiskTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConcentrationRiskByTypeAxis" xlink:label="us-gaap_ConcentrationRiskByTypeAxis" xlink:title="us-gaap_ConcentrationRiskByTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConcentrationRiskTypeDomain" xlink:label="us-gaap_ConcentrationRiskTypeDomain" xlink:title="us-gaap_ConcentrationRiskTypeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_ConcentrationRiskByTypeAxis" xlink:to="us-gaap_ConcentrationRiskTypeDomain" xlink:title="Definition : us-gaap_ConcentrationRiskByTypeAxis to us-gaap_ConcentrationRiskTypeDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:label="us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:title="us-gaap_ConcentrationRiskByBenchmarkAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConcentrationRiskBenchmarkDomain" xlink:label="us-gaap_ConcentrationRiskBenchmarkDomain" xlink:title="us-gaap_ConcentrationRiskBenchmarkDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:to="us-gaap_ConcentrationRiskBenchmarkDomain" xlink:title="Definition : us-gaap_ConcentrationRiskByBenchmarkAxis to us-gaap_ConcentrationRiskBenchmarkDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CustomerConcentrationRiskMember" xlink:label="us-gaap_CustomerConcentrationRiskMember" xlink:title="us-gaap_CustomerConcentrationRiskMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ConcentrationRiskTypeDomain" xlink:to="us-gaap_CustomerConcentrationRiskMember" xlink:title="Definition : us-gaap_ConcentrationRiskTypeDomain to us-gaap_CustomerConcentrationRiskMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SalesMember" xlink:label="us-gaap_SalesMember" xlink:title="us-gaap_SalesMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ConcentrationRiskBenchmarkDomain" xlink:to="us-gaap_SalesMember" xlink:title="Definition : us-gaap_ConcentrationRiskBenchmarkDomain to us-gaap_SalesMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ConcentrationRiskTable" xlink:to="us-gaap_ConcentrationRiskByTypeAxis" xlink:title="Definition : us-gaap_ConcentrationRiskTable to us-gaap_ConcentrationRiskByTypeAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConcentrationRiskBenchmarkDomain" xlink:label="us-gaap_ConcentrationRiskBenchmarkDomain_1" xlink:title="us-gaap_ConcentrationRiskBenchmarkDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:to="us-gaap_ConcentrationRiskBenchmarkDomain_1" xlink:title="Definition : us-gaap_ConcentrationRiskByBenchmarkAxis to us-gaap_ConcentrationRiskBenchmarkDomain" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CreditConcentrationRiskMember" xlink:label="us-gaap_CreditConcentrationRiskMember" xlink:title="us-gaap_CreditConcentrationRiskMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ConcentrationRiskTypeDomain" xlink:to="us-gaap_CreditConcentrationRiskMember" xlink:title="Definition : us-gaap_ConcentrationRiskTypeDomain to us-gaap_CreditConcentrationRiskMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccountsReceivableMember" xlink:label="us-gaap_AccountsReceivableMember" xlink:title="us-gaap_AccountsReceivableMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ConcentrationRiskBenchmarkDomain" xlink:to="us-gaap_AccountsReceivableMember" xlink:title="Definition : us-gaap_ConcentrationRiskBenchmarkDomain to us-gaap_AccountsReceivableMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SchedulesOfConcentrationOfRiskByRiskFactorTextBlock" xlink:label="us-gaap_SchedulesOfConcentrationOfRiskByRiskFactorTextBlock" xlink:title="us-gaap_SchedulesOfConcentrationOfRiskByRiskFactorTextBlock" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ConcentrationRiskLineItems" xlink:to="us-gaap_SchedulesOfConcentrationOfRiskByRiskFactorTextBlock" xlink:title="Definition : us-gaap_ConcentrationRiskLineItems to us-gaap_SchedulesOfConcentrationOfRiskByRiskFactorTextBlock" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ConcentrationRiskTable" xlink:to="us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:title="Definition : us-gaap_ConcentrationRiskTable to us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:type="arc" order="2" xbrldt:closed="false" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-ltblt">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="us-gaap_DebtInstrumentLineItems" xlink:title="us-gaap_DebtInstrumentLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="us-gaap_DebtInstrumentTable" xlink:title="us-gaap_DebtInstrumentTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_DebtInstrumentTable" xlink:title="Definition : us-gaap_DebtInstrumentLineItems to us-gaap_DebtInstrumentTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="us-gaap_LongtermDebtTypeAxis" xlink:title="us-gaap_LongtermDebtTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="us-gaap_LongtermDebtTypeDomain" xlink:title="us-gaap_LongtermDebtTypeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_LongtermDebtTypeAxis" xlink:to="us-gaap_LongtermDebtTypeDomain" xlink:title="Definition : us-gaap_LongtermDebtTypeAxis to us-gaap_LongtermDebtTypeDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NotesPayableToBanksMember" xlink:label="us-gaap_NotesPayableToBanksMember" xlink:title="us-gaap_NotesPayableToBanksMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_LongtermDebtTypeDomain" xlink:to="us-gaap_NotesPayableToBanksMember" xlink:title="Definition : us-gaap_LongtermDebtTypeDomain to us-gaap_NotesPayableToBanksMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_DebtInstrumentTable" xlink:to="us-gaap_LongtermDebtTypeAxis" xlink:title="Definition : us-gaap_DebtInstrumentTable to us-gaap_LongtermDebtTypeAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfDebtInstrumentsTextBlock" xlink:label="us-gaap_ScheduleOfDebtInstrumentsTextBlock" xlink:title="us-gaap_ScheduleOfDebtInstrumentsTextBlock" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_ScheduleOfDebtInstrumentsTextBlock" xlink:title="Definition : us-gaap_DebtInstrumentLineItems to us-gaap_ScheduleOfDebtInstrumentsTextBlock" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" xlink:label="us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" xlink:title="us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" xlink:title="Definition : us-gaap_DebtInstrumentLineItems to us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" xlink:type="arc" order="3" xbrldt:closed="false" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-oltlt">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="us-gaap_DebtInstrumentLineItems" xlink:title="us-gaap_DebtInstrumentLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="us-gaap_DebtInstrumentTable" xlink:title="us-gaap_DebtInstrumentTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_DebtInstrumentTable" xlink:title="Definition : us-gaap_DebtInstrumentLineItems to us-gaap_DebtInstrumentTable" xlink:type="arc" order="0.1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ScheduleOfOtherLiabilitiesNoncurrentTableTextBlock" xlink:label="vimc_ScheduleOfOtherLiabilitiesNoncurrentTableTextBlock" xlink:title="vimc_ScheduleOfOtherLiabilitiesNoncurrentTableTextBlock" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="vimc_ScheduleOfOtherLiabilitiesNoncurrentTableTextBlock" xlink:title="Definition : us-gaap_DebtInstrumentLineItems to vimc_ScheduleOfOtherLiabilitiesNoncurrentTableTextBlock" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="us-gaap_LongtermDebtTypeAxis" xlink:title="us-gaap_LongtermDebtTypeAxis" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_DebtInstrumentTable" xlink:to="us-gaap_LongtermDebtTypeAxis" xlink:title="Definition : us-gaap_DebtInstrumentTable to us-gaap_LongtermDebtTypeAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="us-gaap_LongtermDebtTypeDomain" xlink:title="us-gaap_LongtermDebtTypeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_LongtermDebtTypeAxis" xlink:to="us-gaap_LongtermDebtTypeDomain" xlink:title="Definition : us-gaap_LongtermDebtTypeAxis to us-gaap_LongtermDebtTypeDomain" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NotesPayableOtherPayablesMember" xlink:label="us-gaap_NotesPayableOtherPayablesMember" xlink:title="us-gaap_NotesPayableOtherPayablesMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_LongtermDebtTypeDomain" xlink:to="us-gaap_NotesPayableOtherPayablesMember" xlink:title="Definition : us-gaap_LongtermDebtTypeDomain to us-gaap_NotesPayableOtherPayablesMember" xlink:type="arc" order="8000" xbrldt:closed="false" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-sbct">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:title="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TitleOfIndividualAxis" xlink:label="us-gaap_TitleOfIndividualAxis" xlink:title="us-gaap_TitleOfIndividualAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:label="us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:title="us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_TitleOfIndividualAxis" xlink:to="us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:title="Definition : us-gaap_TitleOfIndividualAxis to us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VestingPeriodAxis" xlink:label="vimc_VestingPeriodAxis" xlink:title="vimc_VestingPeriodAxis" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VestingPeriodDomain" xlink:label="vimc_VestingPeriodDomain" xlink:title="vimc_VestingPeriodDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="vimc_VestingPeriodAxis" xlink:to="vimc_VestingPeriodDomain" xlink:title="Definition : vimc_VestingPeriodAxis to vimc_VestingPeriodDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_EmployeeMember" xlink:label="vimc_EmployeeMember" xlink:title="vimc_EmployeeMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:to="vimc_EmployeeMember" xlink:title="Definition : us-gaap_TitleOfIndividualWithRelationshipToEntityDomain to vimc_EmployeeMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VestingPeriodFiveYearsMember" xlink:label="vimc_VestingPeriodFiveYearsMember" xlink:title="vimc_VestingPeriodFiveYearsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_VestingPeriodDomain" xlink:to="vimc_VestingPeriodFiveYearsMember" xlink:title="Definition : vimc_VestingPeriodDomain to vimc_VestingPeriodFiveYearsMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="us-gaap_TitleOfIndividualAxis" xlink:title="Definition : us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable to us-gaap_TitleOfIndividualAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_NonEmployeeMember" xlink:label="vimc_NonEmployeeMember" xlink:title="vimc_NonEmployeeMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:to="vimc_NonEmployeeMember" xlink:title="Definition : us-gaap_TitleOfIndividualWithRelationshipToEntityDomain to vimc_NonEmployeeMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VestingPeriodOneYearMember" xlink:label="vimc_VestingPeriodOneYearMember" xlink:title="vimc_VestingPeriodOneYearMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_VestingPeriodDomain" xlink:to="vimc_VestingPeriodOneYearMember" xlink:title="Definition : vimc_VestingPeriodDomain to vimc_VestingPeriodOneYearMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock" xlink:label="us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock" xlink:title="us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="vimc_VestingPeriodAxis" xlink:title="Definition : us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable to vimc_VestingPeriodAxis" xlink:type="arc" order="2" xbrldt:closed="false" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-tt">
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_IncomeTaxesLineItems" xlink:label="vimc_IncomeTaxesLineItems" xlink:title="vimc_IncomeTaxesLineItems" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_IncomeTaxesTable" xlink:label="vimc_IncomeTaxesTable" xlink:title="vimc_IncomeTaxesTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="vimc_IncomeTaxesLineItems" xlink:to="vimc_IncomeTaxesTable" xlink:title="Definition : vimc_IncomeTaxesLineItems to vimc_IncomeTaxesTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_CountryAxis" xlink:label="vimc_CountryAxis" xlink:title="vimc_CountryAxis" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="vimc_IncomeTaxesTable" xlink:to="vimc_CountryAxis" xlink:title="Definition : vimc_IncomeTaxesTable to vimc_CountryAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xlink:label="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xlink:title="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_IncomeTaxesLineItems" xlink:to="us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xlink:title="Definition : vimc_IncomeTaxesLineItems to us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_AllCountriesDomain" xlink:label="country_AllCountriesDomain" xlink:title="country_AllCountriesDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="vimc_CountryAxis" xlink:to="country_AllCountriesDomain" xlink:title="Definition : vimc_CountryAxis to country_AllCountriesDomain" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_CN" xlink:label="country_CN" xlink:title="country_CN" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="country_AllCountriesDomain" xlink:to="country_CN" xlink:title="Definition : country_AllCountriesDomain to country_CN" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_AllCountriesDomain" xlink:label="country_AllCountriesDomain_1" xlink:title="country_AllCountriesDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="vimc_CountryAxis" xlink:to="country_AllCountriesDomain_1" xlink:title="Definition : vimc_CountryAxis to country_AllCountriesDomain" xlink:type="arc" order="8001" xbrldt:closed="false" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/DisclosureSummaryOfSignificantAccountingPoliciesDetails11">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ChangeInAccountingEstimateLineItems" xlink:label="us-gaap_ChangeInAccountingEstimateLineItems" xlink:title="us-gaap_ChangeInAccountingEstimateLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfChangeInAccountingEstimateTable" xlink:label="us-gaap_ScheduleOfChangeInAccountingEstimateTable" xlink:title="us-gaap_ScheduleOfChangeInAccountingEstimateTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_ChangeInAccountingEstimateLineItems" xlink:to="us-gaap_ScheduleOfChangeInAccountingEstimateTable" xlink:title="Definition : us-gaap_ChangeInAccountingEstimateLineItems to us-gaap_ScheduleOfChangeInAccountingEstimateTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:title="us-gaap_PropertyPlantAndEquipmentByTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:title="us-gaap_PropertyPlantAndEquipmentTypeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:to="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:title="Definition : us-gaap_PropertyPlantAndEquipmentByTypeAxis to us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ChangeInAccountingEstimateByTypeAxis" xlink:label="us-gaap_ChangeInAccountingEstimateByTypeAxis" xlink:title="us-gaap_ChangeInAccountingEstimateByTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ChangeInAccountingEstimateTypeDomain" xlink:label="us-gaap_ChangeInAccountingEstimateTypeDomain" xlink:title="us-gaap_ChangeInAccountingEstimateTypeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_ChangeInAccountingEstimateByTypeAxis" xlink:to="us-gaap_ChangeInAccountingEstimateTypeDomain" xlink:title="Definition : us-gaap_ChangeInAccountingEstimateByTypeAxis to us-gaap_ChangeInAccountingEstimateTypeDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="us-gaap_StatementScenarioAxis" xlink:title="us-gaap_StatementScenarioAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="us-gaap_ScenarioUnspecifiedDomain" xlink:title="us-gaap_ScenarioUnspecifiedDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_StatementScenarioAxis" xlink:to="us-gaap_ScenarioUnspecifiedDomain" xlink:title="Definition : us-gaap_StatementScenarioAxis to us-gaap_ScenarioUnspecifiedDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_EquipmentAndOfficeFurnitureMotorVehiclesAndSoftwareMember" xlink:label="vimc_EquipmentAndOfficeFurnitureMotorVehiclesAndSoftwareMember" xlink:title="vimc_EquipmentAndOfficeFurnitureMotorVehiclesAndSoftwareMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="vimc_EquipmentAndOfficeFurnitureMotorVehiclesAndSoftwareMember" xlink:title="Definition : us-gaap_PropertyPlantAndEquipmentTypeDomain to vimc_EquipmentAndOfficeFurnitureMotorVehiclesAndSoftwareMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SalvageValueMember" xlink:label="us-gaap_SalvageValueMember" xlink:title="us-gaap_SalvageValueMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ChangeInAccountingEstimateTypeDomain" xlink:to="us-gaap_SalvageValueMember" xlink:title="Definition : us-gaap_ChangeInAccountingEstimateTypeDomain to us-gaap_SalvageValueMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScenarioPreviouslyReportedMember" xlink:label="us-gaap_ScenarioPreviouslyReportedMember" xlink:title="us-gaap_ScenarioPreviouslyReportedMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ScenarioUnspecifiedDomain" xlink:to="us-gaap_ScenarioPreviouslyReportedMember" xlink:title="Definition : us-gaap_ScenarioUnspecifiedDomain to us-gaap_ScenarioPreviouslyReportedMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfChangeInAccountingEstimateTable" xlink:to="us-gaap_ChangeInAccountingEstimateByTypeAxis" xlink:title="Definition : us-gaap_ScheduleOfChangeInAccountingEstimateTable to us-gaap_ChangeInAccountingEstimateByTypeAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ChangeInAccountingEstimateTypeDomain" xlink:label="us-gaap_ChangeInAccountingEstimateTypeDomain_1" xlink:title="us-gaap_ChangeInAccountingEstimateTypeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_ChangeInAccountingEstimateByTypeAxis" xlink:to="us-gaap_ChangeInAccountingEstimateTypeDomain_1" xlink:title="Definition : us-gaap_ChangeInAccountingEstimateByTypeAxis to us-gaap_ChangeInAccountingEstimateTypeDomain" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="us-gaap_ScenarioUnspecifiedDomain_1" xlink:title="us-gaap_ScenarioUnspecifiedDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_StatementScenarioAxis" xlink:to="us-gaap_ScenarioUnspecifiedDomain_1" xlink:title="Definition : us-gaap_StatementScenarioAxis to us-gaap_ScenarioUnspecifiedDomain" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentSalvageValuePercentage" xlink:label="us-gaap_PropertyPlantAndEquipmentSalvageValuePercentage" xlink:title="us-gaap_PropertyPlantAndEquipmentSalvageValuePercentage" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ChangeInAccountingEstimateLineItems" xlink:to="us-gaap_PropertyPlantAndEquipmentSalvageValuePercentage" xlink:title="Definition : us-gaap_ChangeInAccountingEstimateLineItems to us-gaap_PropertyPlantAndEquipmentSalvageValuePercentage" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfChangeInAccountingEstimateTable" xlink:to="us-gaap_StatementScenarioAxis" xlink:title="Definition : us-gaap_ScheduleOfChangeInAccountingEstimateTable to us-gaap_StatementScenarioAxis" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfChangeInAccountingEstimateTable" xlink:to="us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:title="Definition : us-gaap_ScheduleOfChangeInAccountingEstimateTable to us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="us-gaap_BusinessAcquisitionAxis" xlink:title="us-gaap_BusinessAcquisitionAxis" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfChangeInAccountingEstimateTable" xlink:to="us-gaap_BusinessAcquisitionAxis" xlink:title="Definition : us-gaap_ScheduleOfChangeInAccountingEstimateTable to us-gaap_BusinessAcquisitionAxis" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="us-gaap_BusinessAcquisitionAcquireeDomain" xlink:title="us-gaap_BusinessAcquisitionAcquireeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_BusinessAcquisitionAxis" xlink:to="us-gaap_BusinessAcquisitionAcquireeDomain" xlink:title="Definition : us-gaap_BusinessAcquisitionAxis to us-gaap_BusinessAcquisitionAcquireeDomain" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SoftwareAndSoftwareDevelopmentCostsMember" xlink:label="us-gaap_SoftwareAndSoftwareDevelopmentCostsMember" xlink:title="us-gaap_SoftwareAndSoftwareDevelopmentCostsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="us-gaap_SoftwareAndSoftwareDevelopmentCostsMember" xlink:title="Definition : us-gaap_PropertyPlantAndEquipmentTypeDomain to us-gaap_SoftwareAndSoftwareDevelopmentCostsMember" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VisiondigiTechnologyCorporationMember" xlink:label="vimc_VisiondigiTechnologyCorporationMember" xlink:title="vimc_VisiondigiTechnologyCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_BusinessAcquisitionAcquireeDomain" xlink:to="vimc_VisiondigiTechnologyCorporationMember" xlink:title="Definition : us-gaap_BusinessAcquisitionAcquireeDomain to vimc_VisiondigiTechnologyCorporationMember" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ServiceLifeMember" xlink:label="us-gaap_ServiceLifeMember" xlink:title="us-gaap_ServiceLifeMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ChangeInAccountingEstimateTypeDomain" xlink:to="us-gaap_ServiceLifeMember" xlink:title="Definition : us-gaap_ChangeInAccountingEstimateTypeDomain to us-gaap_ServiceLifeMember" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScenarioAdjustmentMember" xlink:label="us-gaap_ScenarioAdjustmentMember" xlink:title="us-gaap_ScenarioAdjustmentMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ScenarioUnspecifiedDomain" xlink:to="us-gaap_ScenarioAdjustmentMember" xlink:title="Definition : us-gaap_ScenarioUnspecifiedDomain to us-gaap_ScenarioAdjustmentMember" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeLossFromOperationsBeforeExtraordinaryItemsPerBasicAndDilutedShare" xlink:label="us-gaap_IncomeLossFromOperationsBeforeExtraordinaryItemsPerBasicAndDilutedShare" xlink:title="us-gaap_IncomeLossFromOperationsBeforeExtraordinaryItemsPerBasicAndDilutedShare" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ChangeInAccountingEstimateLineItems" xlink:to="us-gaap_IncomeLossFromOperationsBeforeExtraordinaryItemsPerBasicAndDilutedShare" xlink:title="Definition : us-gaap_ChangeInAccountingEstimateLineItems to us-gaap_IncomeLossFromOperationsBeforeExtraordinaryItemsPerBasicAndDilutedShare" xlink:type="arc" order="8000" xbrldt:closed="false" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-oapaind">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems" xlink:label="us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems" xlink:title="us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InvestmentsInAndAdvancesToAffiliatesTable" xlink:label="us-gaap_InvestmentsInAndAdvancesToAffiliatesTable" xlink:title="us-gaap_InvestmentsInAndAdvancesToAffiliatesTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems" xlink:to="us-gaap_InvestmentsInAndAdvancesToAffiliatesTable" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems to us-gaap_InvestmentsInAndAdvancesToAffiliatesTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:label="us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:title="us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:label="us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:title="us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:to="us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:title="Definition : us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis to us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis" xlink:title="dei_LegalEntityAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain" xlink:title="dei_EntityDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" xlink:title="Definition : dei_LegalEntityAxis to dei_EntityDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:title="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="us-gaap_RelatedPartyDomain" xlink:title="us-gaap_RelatedPartyDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:to="us-gaap_RelatedPartyDomain" xlink:title="Definition : us-gaap_RelatedPartyTransactionsByRelatedPartyAxis to us-gaap_RelatedPartyDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CounterpartyNameAxis" xlink:label="us-gaap_CounterpartyNameAxis" xlink:title="us-gaap_CounterpartyNameAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RepurchaseAgreementCounterpartyNameDomain" xlink:label="us-gaap_RepurchaseAgreementCounterpartyNameDomain" xlink:title="us-gaap_RepurchaseAgreementCounterpartyNameDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_CounterpartyNameAxis" xlink:to="us-gaap_RepurchaseAgreementCounterpartyNameDomain" xlink:title="Definition : us-gaap_CounterpartyNameAxis to us-gaap_RepurchaseAgreementCounterpartyNameDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:title="us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="us-gaap_EquityMethodInvesteeNameDomain" xlink:title="us-gaap_EquityMethodInvesteeNameDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:to="us-gaap_EquityMethodInvesteeNameDomain" xlink:title="Definition : us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis to us-gaap_EquityMethodInvesteeNameDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_RelatedPartySecondaryCategorizationAxis" xlink:label="vimc_RelatedPartySecondaryCategorizationAxis" xlink:title="vimc_RelatedPartySecondaryCategorizationAxis" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_RelatedPartySecondaryCategorizationDomain" xlink:label="vimc_RelatedPartySecondaryCategorizationDomain" xlink:title="vimc_RelatedPartySecondaryCategorizationDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="vimc_RelatedPartySecondaryCategorizationAxis" xlink:to="vimc_RelatedPartySecondaryCategorizationDomain" xlink:title="Definition : vimc_RelatedPartySecondaryCategorizationAxis to vimc_RelatedPartySecondaryCategorizationDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:label="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:title="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:label="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:title="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:to="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis to us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VimicroCorporationMember" xlink:label="vimc_VimicroCorporationMember" xlink:title="vimc_VimicroCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_VimicroCorporationMember" xlink:title="Definition : dei_EntityDomain to vimc_VimicroCorporationMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InvestorMember" xlink:label="us-gaap_InvestorMember" xlink:title="us-gaap_InvestorMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="us-gaap_InvestorMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to us-gaap_InvestorMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_IndividualNoncontrollingShareholdersOfVisiondigiMember" xlink:label="vimc_IndividualNoncontrollingShareholdersOfVisiondigiMember" xlink:title="vimc_IndividualNoncontrollingShareholdersOfVisiondigiMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestorMember" xlink:to="vimc_IndividualNoncontrollingShareholdersOfVisiondigiMember" xlink:title="Definition : us-gaap_InvestorMember to vimc_IndividualNoncontrollingShareholdersOfVisiondigiMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_IndividualThirdPartyMember" xlink:label="vimc_IndividualThirdPartyMember" xlink:title="vimc_IndividualThirdPartyMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RepurchaseAgreementCounterpartyNameDomain" xlink:to="vimc_IndividualThirdPartyMember" xlink:title="Definition : us-gaap_RepurchaseAgreementCounterpartyNameDomain to vimc_IndividualThirdPartyMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VimicroElectronicsCorporationMember" xlink:label="vimc_VimicroElectronicsCorporationMember" xlink:title="vimc_VimicroElectronicsCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_EquityMethodInvesteeNameDomain" xlink:to="vimc_VimicroElectronicsCorporationMember" xlink:title="Definition : us-gaap_EquityMethodInvesteeNameDomain to vimc_VimicroElectronicsCorporationMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VimicroManagementFoundationMember" xlink:label="vimc_VimicroManagementFoundationMember" xlink:title="vimc_VimicroManagementFoundationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_RelatedPartySecondaryCategorizationDomain" xlink:to="vimc_VimicroManagementFoundationMember" xlink:title="Definition : vimc_RelatedPartySecondaryCategorizationDomain to vimc_VimicroManagementFoundationMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VisiondigiTechnologyCorporationMember" xlink:label="vimc_VisiondigiTechnologyCorporationMember" xlink:title="vimc_VisiondigiTechnologyCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:to="vimc_VisiondigiTechnologyCorporationMember" xlink:title="Definition : us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain to vimc_VisiondigiTechnologyCorporationMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_WuxiVimicroCorporationMember" xlink:label="vimc_WuxiVimicroCorporationMember" xlink:title="vimc_WuxiVimicroCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:to="vimc_WuxiVimicroCorporationMember" xlink:title="Definition : us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain to vimc_WuxiVimicroCorporationMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesTable" xlink:to="dei_LegalEntityAxis" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesTable to dei_LegalEntityAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="us-gaap_RelatedPartyDomain_1" xlink:title="us-gaap_RelatedPartyDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:to="us-gaap_RelatedPartyDomain_1" xlink:title="Definition : us-gaap_RelatedPartyTransactionsByRelatedPartyAxis to us-gaap_RelatedPartyDomain" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="us-gaap_EquityMethodInvesteeNameDomain_1" xlink:title="us-gaap_EquityMethodInvesteeNameDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:to="us-gaap_EquityMethodInvesteeNameDomain_1" xlink:title="Definition : us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis to us-gaap_EquityMethodInvesteeNameDomain" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_RelatedPartySecondaryCategorizationDomain" xlink:label="vimc_RelatedPartySecondaryCategorizationDomain_1" xlink:title="vimc_RelatedPartySecondaryCategorizationDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="vimc_RelatedPartySecondaryCategorizationAxis" xlink:to="vimc_RelatedPartySecondaryCategorizationDomain_1" xlink:title="Definition : vimc_RelatedPartySecondaryCategorizationAxis to vimc_RelatedPartySecondaryCategorizationDomain" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_VariableInterestEntityPrimaryBeneficiaryMember" xlink:label="us-gaap_VariableInterestEntityPrimaryBeneficiaryMember" xlink:title="us-gaap_VariableInterestEntityPrimaryBeneficiaryMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="us-gaap_VariableInterestEntityPrimaryBeneficiaryMember" xlink:title="Definition : dei_EntityDomain to us-gaap_VariableInterestEntityPrimaryBeneficiaryMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_NingboSunnyOpotechCorporationLimitedMember" xlink:label="vimc_NingboSunnyOpotechCorporationLimitedMember" xlink:title="vimc_NingboSunnyOpotechCorporationLimitedMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestorMember" xlink:to="vimc_NingboSunnyOpotechCorporationLimitedMember" xlink:title="Definition : us-gaap_InvestorMember to vimc_NingboSunnyOpotechCorporationLimitedMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_OwnershipInterestPercentage" xlink:label="vimc_OwnershipInterestPercentage" xlink:title="vimc_OwnershipInterestPercentage" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems" xlink:to="vimc_OwnershipInterestPercentage" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems to vimc_OwnershipInterestPercentage" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesTable" xlink:to="us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesTable to us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_StateOwnedAssetManagementCorporationMember" xlink:label="vimc_StateOwnedAssetManagementCorporationMember" xlink:title="vimc_StateOwnedAssetManagementCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestorMember" xlink:to="vimc_StateOwnedAssetManagementCorporationMember" xlink:title="Definition : us-gaap_InvestorMember to vimc_StateOwnedAssetManagementCorporationMember" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesTable" xlink:to="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesTable to us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_NumberOfIndirectlyOwnedSubsidiaries" xlink:label="vimc_NumberOfIndirectlyOwnedSubsidiaries" xlink:title="vimc_NumberOfIndirectlyOwnedSubsidiaries" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems" xlink:to="vimc_NumberOfIndirectlyOwnedSubsidiaries" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems to vimc_NumberOfIndirectlyOwnedSubsidiaries" xlink:type="arc" order="3.1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_DiscontinuedOperationPercentageOfOwnershipInterestSold" xlink:label="vimc_DiscontinuedOperationPercentageOfOwnershipInterestSold" xlink:title="vimc_DiscontinuedOperationPercentageOfOwnershipInterestSold" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems" xlink:to="vimc_DiscontinuedOperationPercentageOfOwnershipInterestSold" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems to vimc_DiscontinuedOperationPercentageOfOwnershipInterestSold" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestorMember" xlink:to="vimc_WuxiVimicroCorporationMember" xlink:title="Definition : us-gaap_InvestorMember to vimc_WuxiVimicroCorporationMember" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesTable" xlink:to="vimc_RelatedPartySecondaryCategorizationAxis" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesTable to vimc_RelatedPartySecondaryCategorizationAxis" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesTable" xlink:to="us-gaap_CounterpartyNameAxis" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesTable to us-gaap_CounterpartyNameAxis" xlink:type="arc" order="5" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_NumberOfWhollyOwnedSubsidiaries" xlink:label="vimc_NumberOfWhollyOwnedSubsidiaries" xlink:title="vimc_NumberOfWhollyOwnedSubsidiaries" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems" xlink:to="vimc_NumberOfWhollyOwnedSubsidiaries" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems to vimc_NumberOfWhollyOwnedSubsidiaries" xlink:type="arc" order="6" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesTable" xlink:to="us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesTable to us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:type="arc" order="6" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_EquityMethodInvestmentContributionInCashAsInitialRegisteredCapital" xlink:label="vimc_EquityMethodInvestmentContributionInCashAsInitialRegisteredCapital" xlink:title="vimc_EquityMethodInvestmentContributionInCashAsInitialRegisteredCapital" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems" xlink:to="vimc_EquityMethodInvestmentContributionInCashAsInitialRegisteredCapital" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems to vimc_EquityMethodInvestmentContributionInCashAsInitialRegisteredCapital" xlink:type="arc" order="7" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesTable" xlink:to="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesTable to us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:type="arc" order="7" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_EquityMethodInvestmentOptionToPurchaseOwnershipInterestOfInvestor" xlink:label="vimc_EquityMethodInvestmentOptionToPurchaseOwnershipInterestOfInvestor" xlink:title="vimc_EquityMethodInvestmentOptionToPurchaseOwnershipInterestOfInvestor" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems" xlink:to="vimc_EquityMethodInvestmentOptionToPurchaseOwnershipInterestOfInvestor" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems to vimc_EquityMethodInvestmentOptionToPurchaseOwnershipInterestOfInvestor" xlink:type="arc" order="8" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_EquityMethodInvestmentMinimumPeriodAfterEstablishmentToExerciseOptionToPurchaseAdditionalOwnershipInterest" xlink:label="vimc_EquityMethodInvestmentMinimumPeriodAfterEstablishmentToExerciseOptionToPurchaseAdditionalOwnershipInterest" xlink:title="vimc_EquityMethodInvestmentMinimumPeriodAfterEstablishmentToExerciseOptionToPurchaseAdditionalOwnershipInterest" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems" xlink:to="vimc_EquityMethodInvestmentMinimumPeriodAfterEstablishmentToExerciseOptionToPurchaseAdditionalOwnershipInterest" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems to vimc_EquityMethodInvestmentMinimumPeriodAfterEstablishmentToExerciseOptionToPurchaseAdditionalOwnershipInterest" xlink:type="arc" order="9" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_EquityMethodInvestmentMaximumSharesHeldByInvestorWhichMayBePurchasedWithExclusiveBeneficiaryOwnershipRightAtSameConsiderationPaid" xlink:label="vimc_EquityMethodInvestmentMaximumSharesHeldByInvestorWhichMayBePurchasedWithExclusiveBeneficiaryOwnershipRightAtSameConsiderationPaid" xlink:title="vimc_EquityMethodInvestmentMaximumSharesHeldByInvestorWhichMayBePurchasedWithExclusiveBeneficiaryOwnershipRightAtSameConsiderationPaid" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems" xlink:to="vimc_EquityMethodInvestmentMaximumSharesHeldByInvestorWhichMayBePurchasedWithExclusiveBeneficiaryOwnershipRightAtSameConsiderationPaid" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems to vimc_EquityMethodInvestmentMaximumSharesHeldByInvestorWhichMayBePurchasedWithExclusiveBeneficiaryOwnershipRightAtSameConsiderationPaid" xlink:type="arc" order="10" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_EquityMethodInvestmentOwnershipInterestPercentageReservedForEquityAwardSchemeIfBeneficiaryOwnershipRightExercised" xlink:label="vimc_EquityMethodInvestmentOwnershipInterestPercentageReservedForEquityAwardSchemeIfBeneficiaryOwnershipRightExercised" xlink:title="vimc_EquityMethodInvestmentOwnershipInterestPercentageReservedForEquityAwardSchemeIfBeneficiaryOwnershipRightExercised" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems" xlink:to="vimc_EquityMethodInvestmentOwnershipInterestPercentageReservedForEquityAwardSchemeIfBeneficiaryOwnershipRightExercised" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems to vimc_EquityMethodInvestmentOwnershipInterestPercentageReservedForEquityAwardSchemeIfBeneficiaryOwnershipRightExercised" xlink:type="arc" order="11" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_NumberOfIndividualShareholdersHoldingNoncontrollingInterest" xlink:label="vimc_NumberOfIndividualShareholdersHoldingNoncontrollingInterest" xlink:title="vimc_NumberOfIndividualShareholdersHoldingNoncontrollingInterest" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems" xlink:to="vimc_NumberOfIndividualShareholdersHoldingNoncontrollingInterest" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems to vimc_NumberOfIndividualShareholdersHoldingNoncontrollingInterest" xlink:type="arc" order="12" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xlink:label="us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xlink:title="us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems" xlink:to="us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems to us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xlink:type="arc" order="13" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ConsiderationFromDivestitureOfInterestInConsolidatedSubsidiaries" xlink:label="vimc_ConsiderationFromDivestitureOfInterestInConsolidatedSubsidiaries" xlink:title="vimc_ConsiderationFromDivestitureOfInterestInConsolidatedSubsidiaries" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems" xlink:to="vimc_ConsiderationFromDivestitureOfInterestInConsolidatedSubsidiaries" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems to vimc_ConsiderationFromDivestitureOfInterestInConsolidatedSubsidiaries" xlink:type="arc" order="14" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_EquityMethodInvestmentConsiderationForIncreasedShareholding" xlink:label="vimc_EquityMethodInvestmentConsiderationForIncreasedShareholding" xlink:title="vimc_EquityMethodInvestmentConsiderationForIncreasedShareholding" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems" xlink:to="vimc_EquityMethodInvestmentConsiderationForIncreasedShareholding" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems to vimc_EquityMethodInvestmentConsiderationForIncreasedShareholding" xlink:type="arc" order="15" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_EquityMethodInvestmentOwnershipPercentageTransferred" xlink:label="vimc_EquityMethodInvestmentOwnershipPercentageTransferred" xlink:title="vimc_EquityMethodInvestmentOwnershipPercentageTransferred" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems" xlink:to="vimc_EquityMethodInvestmentOwnershipPercentageTransferred" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems to vimc_EquityMethodInvestmentOwnershipPercentageTransferred" xlink:type="arc" order="16" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_EquityMethodInvestmentIncreaseInCashContributionByInvestors" xlink:label="vimc_EquityMethodInvestmentIncreaseInCashContributionByInvestors" xlink:title="vimc_EquityMethodInvestmentIncreaseInCashContributionByInvestors" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems" xlink:to="vimc_EquityMethodInvestmentIncreaseInCashContributionByInvestors" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems to vimc_EquityMethodInvestmentIncreaseInCashContributionByInvestors" xlink:type="arc" order="17" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_OwnershipInterestPercentageBeforeIncrease" xlink:label="vimc_OwnershipInterestPercentageBeforeIncrease" xlink:title="vimc_OwnershipInterestPercentageBeforeIncrease" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems" xlink:to="vimc_OwnershipInterestPercentageBeforeIncrease" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems to vimc_OwnershipInterestPercentageBeforeIncrease" xlink:type="arc" order="18" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_CostMethodInvestmentIndirectOwnershipPercentage" xlink:label="vimc_CostMethodInvestmentIndirectOwnershipPercentage" xlink:title="vimc_CostMethodInvestmentIndirectOwnershipPercentage" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems" xlink:to="vimc_CostMethodInvestmentIndirectOwnershipPercentage" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems to vimc_CostMethodInvestmentIndirectOwnershipPercentage" xlink:type="arc" order="19" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="us-gaap_AssetsCurrent" xlink:title="us-gaap_AssetsCurrent" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems" xlink:to="us-gaap_AssetsCurrent" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems to us-gaap_AssetsCurrent" xlink:type="arc" order="20" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="us-gaap_StockholdersEquity" xlink:title="us-gaap_StockholdersEquity" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems" xlink:to="us-gaap_StockholdersEquity" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems to us-gaap_StockholdersEquity" xlink:type="arc" order="21" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VimicroHighTechCorporationMember" xlink:label="vimc_VimicroHighTechCorporationMember" xlink:title="vimc_VimicroHighTechCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_VimicroHighTechCorporationMember" xlink:title="Definition : dei_EntityDomain to vimc_VimicroHighTechCorporationMember" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_NumberOfMajorityOwnedConsolidatedSubsidiaries" xlink:label="vimc_NumberOfMajorityOwnedConsolidatedSubsidiaries" xlink:title="vimc_NumberOfMajorityOwnedConsolidatedSubsidiaries" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems" xlink:to="vimc_NumberOfMajorityOwnedConsolidatedSubsidiaries" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems to vimc_NumberOfMajorityOwnedConsolidatedSubsidiaries" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_NumberOfAffiliatedEntities" xlink:label="vimc_NumberOfAffiliatedEntities" xlink:title="vimc_NumberOfAffiliatedEntities" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems" xlink:to="vimc_NumberOfAffiliatedEntities" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems to vimc_NumberOfAffiliatedEntities" xlink:type="arc" order="8001" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_EquityMethodInvestmentPreviousShareholdingProportionAsBaseForOwnershipPercentageTransferred" xlink:label="vimc_EquityMethodInvestmentPreviousShareholdingProportionAsBaseForOwnershipPercentageTransferred" xlink:title="vimc_EquityMethodInvestmentPreviousShareholdingProportionAsBaseForOwnershipPercentageTransferred" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems" xlink:to="vimc_EquityMethodInvestmentPreviousShareholdingProportionAsBaseForOwnershipPercentageTransferred" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems to vimc_EquityMethodInvestmentPreviousShareholdingProportionAsBaseForOwnershipPercentageTransferred" xlink:type="arc" order="8002" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_CostMethodInvestmentOwnershipPercentageBeforeIncrease" xlink:label="vimc_CostMethodInvestmentOwnershipPercentageBeforeIncrease" xlink:title="vimc_CostMethodInvestmentOwnershipPercentageBeforeIncrease" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems" xlink:to="vimc_CostMethodInvestmentOwnershipPercentageBeforeIncrease" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems to vimc_CostMethodInvestmentOwnershipPercentageBeforeIncrease" xlink:type="arc" order="8003" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_EquityMethodInvestmentOwnershipPercentageProportionatelyTransferred" xlink:label="vimc_EquityMethodInvestmentOwnershipPercentageProportionatelyTransferred" xlink:title="vimc_EquityMethodInvestmentOwnershipPercentageProportionatelyTransferred" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems" xlink:to="vimc_EquityMethodInvestmentOwnershipPercentageProportionatelyTransferred" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems to vimc_EquityMethodInvestmentOwnershipPercentageProportionatelyTransferred" xlink:type="arc" order="8004" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="us-gaap_BusinessAcquisitionAxis" xlink:title="us-gaap_BusinessAcquisitionAxis" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesTable" xlink:to="us-gaap_BusinessAcquisitionAxis" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesTable to us-gaap_BusinessAcquisitionAxis" xlink:type="arc" use="optional" order="17" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="us-gaap_BusinessAcquisitionAcquireeDomain" xlink:title="us-gaap_BusinessAcquisitionAcquireeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_BusinessAcquisitionAxis" xlink:to="us-gaap_BusinessAcquisitionAcquireeDomain" xlink:title="Definition : us-gaap_BusinessAcquisitionAxis to us-gaap_BusinessAcquisitionAcquireeDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VimicroFuzhouCorporationMember" xlink:label="vimc_VimicroFuzhouCorporationMember" xlink:title="vimc_VimicroFuzhouCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_BusinessAcquisitionAcquireeDomain" xlink:to="vimc_VimicroFuzhouCorporationMember" xlink:title="Definition : us-gaap_BusinessAcquisitionAcquireeDomain to vimc_VimicroFuzhouCorporationMember" xlink:type="arc" use="optional" order="10" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferred1" xlink:label="us-gaap_BusinessCombinationConsiderationTransferred1" xlink:title="us-gaap_BusinessCombinationConsiderationTransferred1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems" xlink:to="us-gaap_BusinessCombinationConsiderationTransferred1" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems to us-gaap_BusinessCombinationConsiderationTransferred1" xlink:type="arc" use="optional" order="8014" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VimicroGuangdongCorporationMember" xlink:label="vimc_VimicroGuangdongCorporationMember" xlink:title="vimc_VimicroGuangdongCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_VimicroGuangdongCorporationMember" xlink:title="Definition : dei_EntityDomain to vimc_VimicroGuangdongCorporationMember" xlink:type="arc" use="optional" order="8010" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-oapadond">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" xlink:label="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" xlink:title="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:label="us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:title="us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" xlink:to="us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable to us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:type="arc" order="0.1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:label="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:title="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:to="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems to us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="us-gaap_SubsequentEventTypeAxis" xlink:title="us-gaap_SubsequentEventTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="us-gaap_SubsequentEventTypeDomain" xlink:title="us-gaap_SubsequentEventTypeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_SubsequentEventTypeAxis" xlink:to="us-gaap_SubsequentEventTypeDomain" xlink:title="Definition : us-gaap_SubsequentEventTypeAxis to us-gaap_SubsequentEventTypeDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:label="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:title="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:label="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:title="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:to="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis to us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis" xlink:title="dei_LegalEntityAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain" xlink:title="dei_EntityDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" xlink:title="Definition : dei_LegalEntityAxis to dei_EntityDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:title="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="us-gaap_RelatedPartyDomain" xlink:title="us-gaap_RelatedPartyDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:to="us-gaap_RelatedPartyDomain" xlink:title="Definition : us-gaap_RelatedPartyTransactionsByRelatedPartyAxis to us-gaap_RelatedPartyDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:label="us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:title="us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:to="us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:title="Definition : us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis to us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SubsequentEventMember" xlink:label="us-gaap_SubsequentEventMember" xlink:title="us-gaap_SubsequentEventMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventTypeDomain" xlink:to="us-gaap_SubsequentEventMember" xlink:title="Definition : us-gaap_SubsequentEventTypeDomain to us-gaap_SubsequentEventMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_WuxiVimicroCorporationMember" xlink:label="vimc_WuxiVimicroCorporationMember" xlink:title="vimc_WuxiVimicroCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:to="vimc_WuxiVimicroCorporationMember" xlink:title="Definition : us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain to vimc_WuxiVimicroCorporationMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VimicroCorporationMember" xlink:label="vimc_VimicroCorporationMember" xlink:title="vimc_VimicroCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_VimicroCorporationMember" xlink:title="Definition : dei_EntityDomain to vimc_VimicroCorporationMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_QingdaoVimicroCorporationMember" xlink:label="vimc_QingdaoVimicroCorporationMember" xlink:title="vimc_QingdaoVimicroCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="vimc_QingdaoVimicroCorporationMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to vimc_QingdaoVimicroCorporationMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VisiondigiTechnologyCorporationMember" xlink:label="vimc_VisiondigiTechnologyCorporationMember" xlink:title="vimc_VisiondigiTechnologyCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:to="vimc_VisiondigiTechnologyCorporationMember" xlink:title="Definition : us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain to vimc_VisiondigiTechnologyCorporationMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" xlink:to="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable to us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:label="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_1" xlink:title="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:to="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_1" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis to us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:label="us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_1" xlink:title="us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:to="us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_1" xlink:title="Definition : us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis to us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_MobileBusinessMember" xlink:label="vimc_MobileBusinessMember" xlink:title="vimc_MobileBusinessMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:to="vimc_MobileBusinessMember" xlink:title="Definition : us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain to vimc_MobileBusinessMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_WuxiVimicroCorporationMember" xlink:title="Definition : dei_EntityDomain to vimc_WuxiVimicroCorporationMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="vimc_WuxiVimicroCorporationMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to vimc_WuxiVimicroCorporationMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" xlink:to="dei_LegalEntityAxis" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable to dei_LegalEntityAxis" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_BeijingZhongxingTianshiConsultingCompanyMember" xlink:label="vimc_BeijingZhongxingTianshiConsultingCompanyMember" xlink:title="vimc_BeijingZhongxingTianshiConsultingCompanyMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_BeijingZhongxingTianshiConsultingCompanyMember" xlink:title="Definition : dei_EntityDomain to vimc_BeijingZhongxingTianshiConsultingCompanyMember" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VimicroXingguangCorporationMember" xlink:label="vimc_VimicroXingguangCorporationMember" xlink:title="vimc_VimicroXingguangCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="vimc_VimicroXingguangCorporationMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to vimc_VimicroXingguangCorporationMember" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" xlink:to="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable to us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VimicroManagementFoundationShenzhenCorporationMember" xlink:label="vimc_VimicroManagementFoundationShenzhenCorporationMember" xlink:title="vimc_VimicroManagementFoundationShenzhenCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:to="vimc_VimicroManagementFoundationShenzhenCorporationMember" xlink:title="Definition : us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain to vimc_VimicroManagementFoundationShenzhenCorporationMember" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VimicroVMFShanghaiCorporationMember" xlink:label="vimc_VimicroVMFShanghaiCorporationMember" xlink:title="vimc_VimicroVMFShanghaiCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_VimicroVMFShanghaiCorporationMember" xlink:title="Definition : dei_EntityDomain to vimc_VimicroVMFShanghaiCorporationMember" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VimicroTechnologyCorporationMember" xlink:label="vimc_VimicroTechnologyCorporationMember" xlink:title="vimc_VimicroTechnologyCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="vimc_VimicroTechnologyCorporationMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to vimc_VimicroTechnologyCorporationMember" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ConsiderationFromDivestitureOfBusiness" xlink:label="vimc_ConsiderationFromDivestitureOfBusiness" xlink:title="vimc_ConsiderationFromDivestitureOfBusiness" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:to="vimc_ConsiderationFromDivestitureOfBusiness" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems to vimc_ConsiderationFromDivestitureOfBusiness" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" xlink:to="us-gaap_SubsequentEventTypeAxis" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable to us-gaap_SubsequentEventTypeAxis" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_VimicroManagementFoundationShenzhenCorporationMember" xlink:title="Definition : dei_EntityDomain to vimc_VimicroManagementFoundationShenzhenCorporationMember" xlink:type="arc" order="5" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VimicroManagementZhongxingTianshiInvestmentCorporationMember" xlink:label="vimc_VimicroManagementZhongxingTianshiInvestmentCorporationMember" xlink:title="vimc_VimicroManagementZhongxingTianshiInvestmentCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="vimc_VimicroManagementZhongxingTianshiInvestmentCorporationMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to vimc_VimicroManagementZhongxingTianshiInvestmentCorporationMember" xlink:type="arc" order="5" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates" xlink:label="us-gaap_ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates" xlink:title="us-gaap_ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:to="us-gaap_ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems to us-gaap_ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates" xlink:type="arc" order="5" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_CostMethodInvestmentOwnershipPercentage" xlink:label="vimc_CostMethodInvestmentOwnershipPercentage" xlink:title="vimc_CostMethodInvestmentOwnershipPercentage" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:to="vimc_CostMethodInvestmentOwnershipPercentage" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems to vimc_CostMethodInvestmentOwnershipPercentage" xlink:type="arc" order="6" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_OwnershipInterestPercentage" xlink:label="vimc_OwnershipInterestPercentage" xlink:title="vimc_OwnershipInterestPercentage" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:to="vimc_OwnershipInterestPercentage" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems to vimc_OwnershipInterestPercentage" xlink:type="arc" order="7" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_CostMethodInvestmentIndirectOwnershipPercentage" xlink:label="vimc_CostMethodInvestmentIndirectOwnershipPercentage" xlink:title="vimc_CostMethodInvestmentIndirectOwnershipPercentage" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:to="vimc_CostMethodInvestmentIndirectOwnershipPercentage" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems to vimc_CostMethodInvestmentIndirectOwnershipPercentage" xlink:type="arc" order="8" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GainOrLossOnSaleOfStockInSubsidiary" xlink:label="us-gaap_GainOrLossOnSaleOfStockInSubsidiary" xlink:title="us-gaap_GainOrLossOnSaleOfStockInSubsidiary" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:to="us-gaap_GainOrLossOnSaleOfStockInSubsidiary" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems to us-gaap_GainOrLossOnSaleOfStockInSubsidiary" xlink:type="arc" order="11" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ApprovedOperatingPeriod" xlink:label="vimc_ApprovedOperatingPeriod" xlink:title="vimc_ApprovedOperatingPeriod" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:to="vimc_ApprovedOperatingPeriod" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems to vimc_ApprovedOperatingPeriod" xlink:type="arc" order="12" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ConsiderationFromDivestitureOfInterestInConsolidatedSubsidiaries" xlink:label="vimc_ConsiderationFromDivestitureOfInterestInConsolidatedSubsidiaries" xlink:title="vimc_ConsiderationFromDivestitureOfInterestInConsolidatedSubsidiaries" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:to="vimc_ConsiderationFromDivestitureOfInterestInConsolidatedSubsidiaries" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems to vimc_ConsiderationFromDivestitureOfInterestInConsolidatedSubsidiaries" xlink:type="arc" order="13" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_DisposalGroupIncludingDiscontinuedOperationReceivableFromRelatedParty" xlink:label="vimc_DisposalGroupIncludingDiscontinuedOperationReceivableFromRelatedParty" xlink:title="vimc_DisposalGroupIncludingDiscontinuedOperationReceivableFromRelatedParty" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:to="vimc_DisposalGroupIncludingDiscontinuedOperationReceivableFromRelatedParty" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems to vimc_DisposalGroupIncludingDiscontinuedOperationReceivableFromRelatedParty" xlink:type="arc" order="14" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VimicroHighTechCorporationMember" xlink:label="vimc_VimicroHighTechCorporationMember" xlink:title="vimc_VimicroHighTechCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_VimicroHighTechCorporationMember" xlink:title="Definition : dei_EntityDomain to vimc_VimicroHighTechCorporationMember" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_DiscontinuedOperationOwnershipPercentage" xlink:label="vimc_DiscontinuedOperationOwnershipPercentage" xlink:title="vimc_DiscontinuedOperationOwnershipPercentage" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:to="vimc_DiscontinuedOperationOwnershipPercentage" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems to vimc_DiscontinuedOperationOwnershipPercentage" xlink:type="arc" order="8000" xbrldt:closed="false" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-oapasodosavd">
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_OrganizationAndPrincipalActivitiesLineItems" xlink:label="vimc_OrganizationAndPrincipalActivitiesLineItems" xlink:title="vimc_OrganizationAndPrincipalActivitiesLineItems" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_OrganizationAndPrincipalActivitiesTable" xlink:label="vimc_OrganizationAndPrincipalActivitiesTable" xlink:title="vimc_OrganizationAndPrincipalActivitiesTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="vimc_OrganizationAndPrincipalActivitiesLineItems" xlink:to="vimc_OrganizationAndPrincipalActivitiesTable" xlink:title="Definition : vimc_OrganizationAndPrincipalActivitiesLineItems to vimc_OrganizationAndPrincipalActivitiesTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis" xlink:title="dei_LegalEntityAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain" xlink:title="dei_EntityDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" xlink:title="Definition : dei_LegalEntityAxis to dei_EntityDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis" xlink:label="us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis" xlink:title="us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ClassificationOfVariableInterestEntityDomain" xlink:label="us-gaap_ClassificationOfVariableInterestEntityDomain" xlink:title="us-gaap_ClassificationOfVariableInterestEntityDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis" xlink:to="us-gaap_ClassificationOfVariableInterestEntityDomain" xlink:title="Definition : us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis to us-gaap_ClassificationOfVariableInterestEntityDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VimicroCorporationMember" xlink:label="vimc_VimicroCorporationMember" xlink:title="vimc_VimicroCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_VimicroCorporationMember" xlink:title="Definition : dei_EntityDomain to vimc_VimicroCorporationMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VimicroSkyVisionTechnologyCorporationMember" xlink:label="vimc_VimicroSkyVisionTechnologyCorporationMember" xlink:title="vimc_VimicroSkyVisionTechnologyCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassificationOfVariableInterestEntityDomain" xlink:to="vimc_VimicroSkyVisionTechnologyCorporationMember" xlink:title="Definition : us-gaap_ClassificationOfVariableInterestEntityDomain to vimc_VimicroSkyVisionTechnologyCorporationMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="vimc_OrganizationAndPrincipalActivitiesTable" xlink:to="dei_LegalEntityAxis" xlink:title="Definition : vimc_OrganizationAndPrincipalActivitiesTable to dei_LegalEntityAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MinorityInterestOwnershipPercentageByParent" xlink:label="us-gaap_MinorityInterestOwnershipPercentageByParent" xlink:title="us-gaap_MinorityInterestOwnershipPercentageByParent" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_OrganizationAndPrincipalActivitiesLineItems" xlink:to="us-gaap_MinorityInterestOwnershipPercentageByParent" xlink:title="Definition : vimc_OrganizationAndPrincipalActivitiesLineItems to us-gaap_MinorityInterestOwnershipPercentageByParent" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ViewtelCorporationMember" xlink:label="vimc_ViewtelCorporationMember" xlink:title="vimc_ViewtelCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_ViewtelCorporationMember" xlink:title="Definition : dei_EntityDomain to vimc_ViewtelCorporationMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="vimc_OrganizationAndPrincipalActivitiesTable" xlink:to="us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis" xlink:title="Definition : vimc_OrganizationAndPrincipalActivitiesTable to us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_VariableInterestEntityOwnershipPercentage" xlink:label="us-gaap_VariableInterestEntityOwnershipPercentage" xlink:title="us-gaap_VariableInterestEntityOwnershipPercentage" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_OrganizationAndPrincipalActivitiesLineItems" xlink:to="us-gaap_VariableInterestEntityOwnershipPercentage" xlink:title="Definition : vimc_OrganizationAndPrincipalActivitiesLineItems to us-gaap_VariableInterestEntityOwnershipPercentage" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VimicroElectronicsInternationalLimitedMember" xlink:label="vimc_VimicroElectronicsInternationalLimitedMember" xlink:title="vimc_VimicroElectronicsInternationalLimitedMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_VimicroElectronicsInternationalLimitedMember" xlink:title="Definition : dei_EntityDomain to vimc_VimicroElectronicsInternationalLimitedMember" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VimicroElectronicTechnologyCorporationMember" xlink:label="vimc_VimicroElectronicTechnologyCorporationMember" xlink:title="vimc_VimicroElectronicTechnologyCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_VimicroElectronicTechnologyCorporationMember" xlink:title="Definition : dei_EntityDomain to vimc_VimicroElectronicTechnologyCorporationMember" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VimicroElectronicsCorporationMember" xlink:label="vimc_VimicroElectronicsCorporationMember" xlink:title="vimc_VimicroElectronicsCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_VimicroElectronicsCorporationMember" xlink:title="Definition : dei_EntityDomain to vimc_VimicroElectronicsCorporationMember" xlink:type="arc" order="5" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VimicroGuangdongCorporationMember" xlink:label="vimc_VimicroGuangdongCorporationMember" xlink:title="vimc_VimicroGuangdongCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_VimicroGuangdongCorporationMember" xlink:title="Definition : dei_EntityDomain to vimc_VimicroGuangdongCorporationMember" xlink:type="arc" order="6" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VimicroGuiyangMember" xlink:label="vimc_VimicroGuiyangMember" xlink:title="vimc_VimicroGuiyangMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_VimicroGuiyangMember" xlink:title="Definition : dei_EntityDomain to vimc_VimicroGuiyangMember" xlink:type="arc" order="7" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_JiangsuVimicroElectronicsLimitedMember" xlink:label="vimc_JiangsuVimicroElectronicsLimitedMember" xlink:title="vimc_JiangsuVimicroElectronicsLimitedMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_JiangsuVimicroElectronicsLimitedMember" xlink:title="Definition : dei_EntityDomain to vimc_JiangsuVimicroElectronicsLimitedMember" xlink:type="arc" order="8" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VimicroFuzhouCorporationMember" xlink:label="vimc_VimicroFuzhouCorporationMember" xlink:title="vimc_VimicroFuzhouCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_VimicroFuzhouCorporationMember" xlink:title="Definition : dei_EntityDomain to vimc_VimicroFuzhouCorporationMember" xlink:type="arc" order="9" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityIncorporationStateCountryName" xlink:label="dei_EntityIncorporationStateCountryName" xlink:title="dei_EntityIncorporationStateCountryName" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_OrganizationAndPrincipalActivitiesLineItems" xlink:to="dei_EntityIncorporationStateCountryName" xlink:title="Definition : vimc_OrganizationAndPrincipalActivitiesLineItems to dei_EntityIncorporationStateCountryName" xlink:type="arc" use="optional" order="13" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityIncorporationDateOfIncorporation" xlink:label="dei_EntityIncorporationDateOfIncorporation" xlink:title="dei_EntityIncorporationDateOfIncorporation" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_OrganizationAndPrincipalActivitiesLineItems" xlink:to="dei_EntityIncorporationDateOfIncorporation" xlink:title="Definition : vimc_OrganizationAndPrincipalActivitiesLineItems to dei_EntityIncorporationDateOfIncorporation" xlink:type="arc" use="optional" order="23" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-sosapiiuaacaiieind">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems" xlink:label="us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems" xlink:title="us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InvestmentsInAndAdvancesToAffiliatesTable" xlink:label="us-gaap_InvestmentsInAndAdvancesToAffiliatesTable" xlink:title="us-gaap_InvestmentsInAndAdvancesToAffiliatesTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems" xlink:to="us-gaap_InvestmentsInAndAdvancesToAffiliatesTable" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems to us-gaap_InvestmentsInAndAdvancesToAffiliatesTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:label="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:title="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:label="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:title="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:to="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis to us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis" xlink:title="dei_LegalEntityAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain" xlink:title="dei_EntityDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" xlink:title="Definition : dei_LegalEntityAxis to dei_EntityDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:title="us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="us-gaap_EquityMethodInvesteeNameDomain" xlink:title="us-gaap_EquityMethodInvesteeNameDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:to="us-gaap_EquityMethodInvesteeNameDomain" xlink:title="Definition : us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis to us-gaap_EquityMethodInvesteeNameDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ScheduleOfCostMethodInvestmentCostMethodInvesteeNameAxis" xlink:label="vimc_ScheduleOfCostMethodInvestmentCostMethodInvesteeNameAxis" xlink:title="vimc_ScheduleOfCostMethodInvestmentCostMethodInvesteeNameAxis" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_CostMethodInvesteeNameDomain" xlink:label="vimc_CostMethodInvesteeNameDomain" xlink:title="vimc_CostMethodInvesteeNameDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="vimc_ScheduleOfCostMethodInvestmentCostMethodInvesteeNameAxis" xlink:to="vimc_CostMethodInvesteeNameDomain" xlink:title="Definition : vimc_ScheduleOfCostMethodInvestmentCostMethodInvesteeNameAxis to vimc_CostMethodInvesteeNameDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_WuxiVimicroCorporationMember" xlink:label="vimc_WuxiVimicroCorporationMember" xlink:title="vimc_WuxiVimicroCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:to="vimc_WuxiVimicroCorporationMember" xlink:title="Definition : us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain to vimc_WuxiVimicroCorporationMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VimicroCorporationMember" xlink:label="vimc_VimicroCorporationMember" xlink:title="vimc_VimicroCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_VimicroCorporationMember" xlink:title="Definition : dei_EntityDomain to vimc_VimicroCorporationMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ZhongtianxinTechnologyCoLtdMember" xlink:label="vimc_ZhongtianxinTechnologyCoLtdMember" xlink:title="vimc_ZhongtianxinTechnologyCoLtdMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_EquityMethodInvesteeNameDomain" xlink:to="vimc_ZhongtianxinTechnologyCoLtdMember" xlink:title="Definition : us-gaap_EquityMethodInvesteeNameDomain to vimc_ZhongtianxinTechnologyCoLtdMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VisiondigiTechnologyCorporationMember" xlink:label="vimc_VisiondigiTechnologyCorporationMember" xlink:title="vimc_VisiondigiTechnologyCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_CostMethodInvesteeNameDomain" xlink:to="vimc_VisiondigiTechnologyCorporationMember" xlink:title="Definition : vimc_CostMethodInvesteeNameDomain to vimc_VisiondigiTechnologyCorporationMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesTable" xlink:to="dei_LegalEntityAxis" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesTable to dei_LegalEntityAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_CostMethodInvesteeNameDomain" xlink:label="vimc_CostMethodInvesteeNameDomain_1" xlink:title="vimc_CostMethodInvesteeNameDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="vimc_ScheduleOfCostMethodInvestmentCostMethodInvesteeNameAxis" xlink:to="vimc_CostMethodInvesteeNameDomain_1" xlink:title="Definition : vimc_ScheduleOfCostMethodInvestmentCostMethodInvesteeNameAxis to vimc_CostMethodInvesteeNameDomain" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_BeijingZhongxingTianshiConsultingCompanyMember" xlink:label="vimc_BeijingZhongxingTianshiConsultingCompanyMember" xlink:title="vimc_BeijingZhongxingTianshiConsultingCompanyMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_BeijingZhongxingTianshiConsultingCompanyMember" xlink:title="Definition : dei_EntityDomain to vimc_BeijingZhongxingTianshiConsultingCompanyMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_CostMethodInvesteeNameDomain" xlink:to="vimc_WuxiVimicroCorporationMember" xlink:title="Definition : vimc_CostMethodInvesteeNameDomain to vimc_WuxiVimicroCorporationMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:label="us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:title="us-gaap_EquityMethodInvestmentOwnershipPercentage" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems" xlink:to="us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems to us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesTable" xlink:to="us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesTable to us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_QingdaoVimicroCorporationMember" xlink:label="vimc_QingdaoVimicroCorporationMember" xlink:title="vimc_QingdaoVimicroCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_CostMethodInvesteeNameDomain" xlink:to="vimc_QingdaoVimicroCorporationMember" xlink:title="Definition : vimc_CostMethodInvesteeNameDomain to vimc_QingdaoVimicroCorporationMember" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_CostMethodInvestmentOwnershipPercentage" xlink:label="vimc_CostMethodInvestmentOwnershipPercentage" xlink:title="vimc_CostMethodInvestmentOwnershipPercentage" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems" xlink:to="vimc_CostMethodInvestmentOwnershipPercentage" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems to vimc_CostMethodInvestmentOwnershipPercentage" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesTable" xlink:to="vimc_ScheduleOfCostMethodInvestmentCostMethodInvesteeNameAxis" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesTable to vimc_ScheduleOfCostMethodInvestmentCostMethodInvesteeNameAxis" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_OwnershipInterestPercentage" xlink:label="vimc_OwnershipInterestPercentage" xlink:title="vimc_OwnershipInterestPercentage" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems" xlink:to="vimc_OwnershipInterestPercentage" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems to vimc_OwnershipInterestPercentage" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesTable" xlink:to="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesTable to us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CostMethodInvestments" xlink:label="us-gaap_CostMethodInvestments" xlink:title="us-gaap_CostMethodInvestments" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems" xlink:to="us-gaap_CostMethodInvestments" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems to us-gaap_CostMethodInvestments" xlink:type="arc" order="5" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates" xlink:label="us-gaap_ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates" xlink:title="us-gaap_ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems" xlink:to="us-gaap_ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems to us-gaap_ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates" xlink:type="arc" order="6" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_DiscontinuedOperationPercentageOfOwnershipInterestSold" xlink:label="vimc_DiscontinuedOperationPercentageOfOwnershipInterestSold" xlink:title="vimc_DiscontinuedOperationPercentageOfOwnershipInterestSold" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems" xlink:to="vimc_DiscontinuedOperationPercentageOfOwnershipInterestSold" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems to vimc_DiscontinuedOperationPercentageOfOwnershipInterestSold" xlink:type="arc" order="7" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_EquityMethodInvestmentInCash" xlink:label="vimc_EquityMethodInvestmentInCash" xlink:title="vimc_EquityMethodInvestmentInCash" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems" xlink:to="vimc_EquityMethodInvestmentInCash" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems to vimc_EquityMethodInvestmentInCash" xlink:type="arc" order="8" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_EquityMethodInvestmentFairValueOfContributedIntellectualProperties" xlink:label="vimc_EquityMethodInvestmentFairValueOfContributedIntellectualProperties" xlink:title="vimc_EquityMethodInvestmentFairValueOfContributedIntellectualProperties" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems" xlink:to="vimc_EquityMethodInvestmentFairValueOfContributedIntellectualProperties" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems to vimc_EquityMethodInvestmentFairValueOfContributedIntellectualProperties" xlink:type="arc" order="9" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_EquityMethodInvestmentContributedIntellectualPropertiesCarryingValue" xlink:label="vimc_EquityMethodInvestmentContributedIntellectualPropertiesCarryingValue" xlink:title="vimc_EquityMethodInvestmentContributedIntellectualPropertiesCarryingValue" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems" xlink:to="vimc_EquityMethodInvestmentContributedIntellectualPropertiesCarryingValue" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems to vimc_EquityMethodInvestmentContributedIntellectualPropertiesCarryingValue" xlink:type="arc" order="10" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="us-gaap_IncomeLossFromEquityMethodInvestments" xlink:title="us-gaap_IncomeLossFromEquityMethodInvestments" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems" xlink:to="us-gaap_IncomeLossFromEquityMethodInvestments" xlink:title="Definition : us-gaap_InvestmentsInAndAdvancesToAffiliatesLineItems to us-gaap_IncomeLossFromEquityMethodInvestments" xlink:type="arc" order="11" xbrldt:closed="false" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-sosapsocwafmtotrd">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConcentrationRiskLineItems" xlink:label="us-gaap_ConcentrationRiskLineItems" xlink:title="us-gaap_ConcentrationRiskLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConcentrationRiskTable" xlink:label="us-gaap_ConcentrationRiskTable" xlink:title="us-gaap_ConcentrationRiskTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_ConcentrationRiskLineItems" xlink:to="us-gaap_ConcentrationRiskTable" xlink:title="Definition : us-gaap_ConcentrationRiskLineItems to us-gaap_ConcentrationRiskTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:label="us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:title="us-gaap_ConcentrationRiskByBenchmarkAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConcentrationRiskBenchmarkDomain" xlink:label="us-gaap_ConcentrationRiskBenchmarkDomain" xlink:title="us-gaap_ConcentrationRiskBenchmarkDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:to="us-gaap_ConcentrationRiskBenchmarkDomain" xlink:title="Definition : us-gaap_ConcentrationRiskByBenchmarkAxis to us-gaap_ConcentrationRiskBenchmarkDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="us-gaap_StatementBusinessSegmentsAxis" xlink:title="us-gaap_StatementBusinessSegmentsAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SegmentDomain" xlink:label="us-gaap_SegmentDomain" xlink:title="us-gaap_SegmentDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_StatementBusinessSegmentsAxis" xlink:to="us-gaap_SegmentDomain" xlink:title="Definition : us-gaap_StatementBusinessSegmentsAxis to us-gaap_SegmentDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis" xlink:title="dei_LegalEntityAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain" xlink:title="dei_EntityDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" xlink:title="Definition : dei_LegalEntityAxis to dei_EntityDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConcentrationRiskByTypeAxis" xlink:label="us-gaap_ConcentrationRiskByTypeAxis" xlink:title="us-gaap_ConcentrationRiskByTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConcentrationRiskTypeDomain" xlink:label="us-gaap_ConcentrationRiskTypeDomain" xlink:title="us-gaap_ConcentrationRiskTypeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_ConcentrationRiskByTypeAxis" xlink:to="us-gaap_ConcentrationRiskTypeDomain" xlink:title="Definition : us-gaap_ConcentrationRiskByTypeAxis to us-gaap_ConcentrationRiskTypeDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProductConcentrationRiskMember" xlink:label="us-gaap_ProductConcentrationRiskMember" xlink:title="us-gaap_ProductConcentrationRiskMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ConcentrationRiskTypeDomain" xlink:to="us-gaap_ProductConcentrationRiskMember" xlink:title="Definition : us-gaap_ConcentrationRiskTypeDomain to us-gaap_ProductConcentrationRiskMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SalesMember" xlink:label="us-gaap_SalesMember" xlink:title="us-gaap_SalesMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ConcentrationRiskBenchmarkDomain" xlink:to="us-gaap_SalesMember" xlink:title="Definition : us-gaap_ConcentrationRiskBenchmarkDomain to us-gaap_SalesMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_TopTenCustomersMember" xlink:label="vimc_TopTenCustomersMember" xlink:title="vimc_TopTenCustomersMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_TopTenCustomersMember" xlink:title="Definition : dei_EntityDomain to vimc_TopTenCustomersMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VideoProcessorBusinessMember" xlink:label="vimc_VideoProcessorBusinessMember" xlink:title="vimc_VideoProcessorBusinessMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SegmentDomain" xlink:to="vimc_VideoProcessorBusinessMember" xlink:title="Definition : us-gaap_SegmentDomain to vimc_VideoProcessorBusinessMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ConcentrationRiskTable" xlink:to="us-gaap_ConcentrationRiskByTypeAxis" xlink:title="Definition : us-gaap_ConcentrationRiskTable to us-gaap_ConcentrationRiskByTypeAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConcentrationRiskTypeDomain" xlink:label="us-gaap_ConcentrationRiskTypeDomain_1" xlink:title="us-gaap_ConcentrationRiskTypeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_ConcentrationRiskByTypeAxis" xlink:to="us-gaap_ConcentrationRiskTypeDomain_1" xlink:title="Definition : us-gaap_ConcentrationRiskByTypeAxis to us-gaap_ConcentrationRiskTypeDomain" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CustomerConcentrationRiskMember" xlink:label="us-gaap_CustomerConcentrationRiskMember" xlink:title="us-gaap_CustomerConcentrationRiskMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ConcentrationRiskTypeDomain" xlink:to="us-gaap_CustomerConcentrationRiskMember" xlink:title="Definition : us-gaap_ConcentrationRiskTypeDomain to us-gaap_CustomerConcentrationRiskMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NumberOfOperatingSegments" xlink:label="us-gaap_NumberOfOperatingSegments" xlink:title="us-gaap_NumberOfOperatingSegments" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ConcentrationRiskLineItems" xlink:to="us-gaap_NumberOfOperatingSegments" xlink:title="Definition : us-gaap_ConcentrationRiskLineItems to us-gaap_NumberOfOperatingSegments" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SalesRevenueGoodsNetMember" xlink:label="us-gaap_SalesRevenueGoodsNetMember" xlink:title="us-gaap_SalesRevenueGoodsNetMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ConcentrationRiskBenchmarkDomain" xlink:to="us-gaap_SalesRevenueGoodsNetMember" xlink:title="Definition : us-gaap_ConcentrationRiskBenchmarkDomain to us-gaap_SalesRevenueGoodsNetMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VideoSurveillanceSolutionBusinessMember" xlink:label="vimc_VideoSurveillanceSolutionBusinessMember" xlink:title="vimc_VideoSurveillanceSolutionBusinessMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SegmentDomain" xlink:to="vimc_VideoSurveillanceSolutionBusinessMember" xlink:title="Definition : us-gaap_SegmentDomain to vimc_VideoSurveillanceSolutionBusinessMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ConcentrationRiskTable" xlink:to="us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:title="Definition : us-gaap_ConcentrationRiskTable to us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConcentrationRiskPercentage1" xlink:label="us-gaap_ConcentrationRiskPercentage1" xlink:title="us-gaap_ConcentrationRiskPercentage1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ConcentrationRiskLineItems" xlink:to="us-gaap_ConcentrationRiskPercentage1" xlink:title="Definition : us-gaap_ConcentrationRiskLineItems to us-gaap_ConcentrationRiskPercentage1" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ConcentrationRiskTable" xlink:to="us-gaap_StatementBusinessSegmentsAxis" xlink:title="Definition : us-gaap_ConcentrationRiskTable to us-gaap_StatementBusinessSegmentsAxis" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_NumberOfMajorCustomers" xlink:label="vimc_NumberOfMajorCustomers" xlink:title="vimc_NumberOfMajorCustomers" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ConcentrationRiskLineItems" xlink:to="vimc_NumberOfMajorCustomers" xlink:title="Definition : us-gaap_ConcentrationRiskLineItems to vimc_NumberOfMajorCustomers" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ConcentrationRiskTable" xlink:to="dei_LegalEntityAxis" xlink:title="Definition : us-gaap_ConcentrationRiskTable to dei_LegalEntityAxis" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CashCashEquivalentsAndShortTermInvestments" xlink:label="us-gaap_CashCashEquivalentsAndShortTermInvestments" xlink:title="us-gaap_CashCashEquivalentsAndShortTermInvestments" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ConcentrationRiskLineItems" xlink:to="us-gaap_CashCashEquivalentsAndShortTermInvestments" xlink:title="Definition : us-gaap_ConcentrationRiskLineItems to us-gaap_CashCashEquivalentsAndShortTermInvestments" xlink:type="arc" order="5" xbrldt:closed="false" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-sosapsocwafmtotd">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConcentrationRiskLineItems" xlink:label="us-gaap_ConcentrationRiskLineItems" xlink:title="us-gaap_ConcentrationRiskLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConcentrationRiskTable" xlink:label="us-gaap_ConcentrationRiskTable" xlink:title="us-gaap_ConcentrationRiskTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_ConcentrationRiskLineItems" xlink:to="us-gaap_ConcentrationRiskTable" xlink:title="Definition : us-gaap_ConcentrationRiskLineItems to us-gaap_ConcentrationRiskTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MajorCustomersAxis" xlink:label="us-gaap_MajorCustomersAxis" xlink:title="us-gaap_MajorCustomersAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NameOfMajorCustomerDomain" xlink:label="us-gaap_NameOfMajorCustomerDomain" xlink:title="us-gaap_NameOfMajorCustomerDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_MajorCustomersAxis" xlink:to="us-gaap_NameOfMajorCustomerDomain" xlink:title="Definition : us-gaap_MajorCustomersAxis to us-gaap_NameOfMajorCustomerDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConcentrationRiskByTypeAxis" xlink:label="us-gaap_ConcentrationRiskByTypeAxis" xlink:title="us-gaap_ConcentrationRiskByTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConcentrationRiskTypeDomain" xlink:label="us-gaap_ConcentrationRiskTypeDomain" xlink:title="us-gaap_ConcentrationRiskTypeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_ConcentrationRiskByTypeAxis" xlink:to="us-gaap_ConcentrationRiskTypeDomain" xlink:title="Definition : us-gaap_ConcentrationRiskByTypeAxis to us-gaap_ConcentrationRiskTypeDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:label="us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:title="us-gaap_ConcentrationRiskByBenchmarkAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConcentrationRiskBenchmarkDomain" xlink:label="us-gaap_ConcentrationRiskBenchmarkDomain" xlink:title="us-gaap_ConcentrationRiskBenchmarkDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:to="us-gaap_ConcentrationRiskBenchmarkDomain" xlink:title="Definition : us-gaap_ConcentrationRiskByBenchmarkAxis to us-gaap_ConcentrationRiskBenchmarkDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_CustomerBMember" xlink:label="vimc_CustomerBMember" xlink:title="vimc_CustomerBMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_NameOfMajorCustomerDomain" xlink:to="vimc_CustomerBMember" xlink:title="Definition : us-gaap_NameOfMajorCustomerDomain to vimc_CustomerBMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ConcentrationRiskTable" xlink:to="us-gaap_ConcentrationRiskByTypeAxis" xlink:title="Definition : us-gaap_ConcentrationRiskTable to us-gaap_ConcentrationRiskByTypeAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NameOfMajorCustomerDomain" xlink:label="us-gaap_NameOfMajorCustomerDomain_1" xlink:title="us-gaap_NameOfMajorCustomerDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_MajorCustomersAxis" xlink:to="us-gaap_NameOfMajorCustomerDomain_1" xlink:title="Definition : us-gaap_MajorCustomersAxis to us-gaap_NameOfMajorCustomerDomain" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConcentrationRiskPercentage1" xlink:label="us-gaap_ConcentrationRiskPercentage1" xlink:title="us-gaap_ConcentrationRiskPercentage1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ConcentrationRiskLineItems" xlink:to="us-gaap_ConcentrationRiskPercentage1" xlink:title="Definition : us-gaap_ConcentrationRiskLineItems to us-gaap_ConcentrationRiskPercentage1" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CustomerConcentrationRiskMember" xlink:label="us-gaap_CustomerConcentrationRiskMember" xlink:title="us-gaap_CustomerConcentrationRiskMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ConcentrationRiskTypeDomain" xlink:to="us-gaap_CustomerConcentrationRiskMember" xlink:title="Definition : us-gaap_ConcentrationRiskTypeDomain to us-gaap_CustomerConcentrationRiskMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SalesMember" xlink:label="us-gaap_SalesMember" xlink:title="us-gaap_SalesMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ConcentrationRiskBenchmarkDomain" xlink:to="us-gaap_SalesMember" xlink:title="Definition : us-gaap_ConcentrationRiskBenchmarkDomain to us-gaap_SalesMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_CustomerZMember" xlink:label="vimc_CustomerZMember" xlink:title="vimc_CustomerZMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_NameOfMajorCustomerDomain" xlink:to="vimc_CustomerZMember" xlink:title="Definition : us-gaap_NameOfMajorCustomerDomain to vimc_CustomerZMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ConcentrationRiskTable" xlink:to="us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:title="Definition : us-gaap_ConcentrationRiskTable to us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_CustomerPMember" xlink:label="vimc_CustomerPMember" xlink:title="vimc_CustomerPMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_NameOfMajorCustomerDomain" xlink:to="vimc_CustomerPMember" xlink:title="Definition : us-gaap_NameOfMajorCustomerDomain to vimc_CustomerPMember" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ConcentrationRiskTable" xlink:to="us-gaap_MajorCustomersAxis" xlink:title="Definition : us-gaap_ConcentrationRiskTable to us-gaap_MajorCustomersAxis" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_CustomerSMember" xlink:label="vimc_CustomerSMember" xlink:title="vimc_CustomerSMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_NameOfMajorCustomerDomain" xlink:to="vimc_CustomerSMember" xlink:title="Definition : us-gaap_NameOfMajorCustomerDomain to vimc_CustomerSMember" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_CustomerVMember" xlink:label="vimc_CustomerVMember" xlink:title="vimc_CustomerVMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_NameOfMajorCustomerDomain" xlink:to="vimc_CustomerVMember" xlink:title="Definition : us-gaap_NameOfMajorCustomerDomain to vimc_CustomerVMember" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_CustomerUMember" xlink:label="vimc_CustomerUMember" xlink:title="vimc_CustomerUMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_NameOfMajorCustomerDomain" xlink:to="vimc_CustomerUMember" xlink:title="Definition : us-gaap_NameOfMajorCustomerDomain to vimc_CustomerUMember" xlink:type="arc" order="8001" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_CustomerIMember" xlink:label="vimc_CustomerIMember" xlink:title="vimc_CustomerIMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_NameOfMajorCustomerDomain" xlink:to="vimc_CustomerIMember" xlink:title="Definition : us-gaap_NameOfMajorCustomerDomain to vimc_CustomerIMember" xlink:type="arc" order="8002" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_CustomerRMember" xlink:label="vimc_CustomerRMember" xlink:title="vimc_CustomerRMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_NameOfMajorCustomerDomain" xlink:to="vimc_CustomerRMember" xlink:title="Definition : us-gaap_NameOfMajorCustomerDomain to vimc_CustomerRMember" xlink:type="arc" order="8003" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_CustomerYMember" xlink:label="vimc_CustomerYMember" xlink:title="vimc_CustomerYMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_NameOfMajorCustomerDomain" xlink:to="vimc_CustomerYMember" xlink:title="Definition : us-gaap_NameOfMajorCustomerDomain to vimc_CustomerYMember" xlink:type="arc" order="8004" xbrldt:closed="false" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-sosapsocwafmtotred">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConcentrationRiskLineItems" xlink:label="us-gaap_ConcentrationRiskLineItems" xlink:title="us-gaap_ConcentrationRiskLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConcentrationRiskTable" xlink:label="us-gaap_ConcentrationRiskTable" xlink:title="us-gaap_ConcentrationRiskTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_ConcentrationRiskLineItems" xlink:to="us-gaap_ConcentrationRiskTable" xlink:title="Definition : us-gaap_ConcentrationRiskLineItems to us-gaap_ConcentrationRiskTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:label="us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:title="us-gaap_ConcentrationRiskByBenchmarkAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConcentrationRiskBenchmarkDomain" xlink:label="us-gaap_ConcentrationRiskBenchmarkDomain" xlink:title="us-gaap_ConcentrationRiskBenchmarkDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:to="us-gaap_ConcentrationRiskBenchmarkDomain" xlink:title="Definition : us-gaap_ConcentrationRiskByBenchmarkAxis to us-gaap_ConcentrationRiskBenchmarkDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MajorCustomersAxis" xlink:label="us-gaap_MajorCustomersAxis" xlink:title="us-gaap_MajorCustomersAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NameOfMajorCustomerDomain" xlink:label="us-gaap_NameOfMajorCustomerDomain" xlink:title="us-gaap_NameOfMajorCustomerDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_MajorCustomersAxis" xlink:to="us-gaap_NameOfMajorCustomerDomain" xlink:title="Definition : us-gaap_MajorCustomersAxis to us-gaap_NameOfMajorCustomerDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConcentrationRiskByTypeAxis" xlink:label="us-gaap_ConcentrationRiskByTypeAxis" xlink:title="us-gaap_ConcentrationRiskByTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConcentrationRiskTypeDomain" xlink:label="us-gaap_ConcentrationRiskTypeDomain" xlink:title="us-gaap_ConcentrationRiskTypeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_ConcentrationRiskByTypeAxis" xlink:to="us-gaap_ConcentrationRiskTypeDomain" xlink:title="Definition : us-gaap_ConcentrationRiskByTypeAxis to us-gaap_ConcentrationRiskTypeDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_CustomerPMember" xlink:label="vimc_CustomerPMember" xlink:title="vimc_CustomerPMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_NameOfMajorCustomerDomain" xlink:to="vimc_CustomerPMember" xlink:title="Definition : us-gaap_NameOfMajorCustomerDomain to vimc_CustomerPMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CreditConcentrationRiskMember" xlink:label="us-gaap_CreditConcentrationRiskMember" xlink:title="us-gaap_CreditConcentrationRiskMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ConcentrationRiskTypeDomain" xlink:to="us-gaap_CreditConcentrationRiskMember" xlink:title="Definition : us-gaap_ConcentrationRiskTypeDomain to us-gaap_CreditConcentrationRiskMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccountsReceivableMember" xlink:label="us-gaap_AccountsReceivableMember" xlink:title="us-gaap_AccountsReceivableMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ConcentrationRiskBenchmarkDomain" xlink:to="us-gaap_AccountsReceivableMember" xlink:title="Definition : us-gaap_ConcentrationRiskBenchmarkDomain to us-gaap_AccountsReceivableMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ConcentrationRiskTable" xlink:to="us-gaap_ConcentrationRiskByTypeAxis" xlink:title="Definition : us-gaap_ConcentrationRiskTable to us-gaap_ConcentrationRiskByTypeAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConcentrationRiskPercentage1" xlink:label="us-gaap_ConcentrationRiskPercentage1" xlink:title="us-gaap_ConcentrationRiskPercentage1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ConcentrationRiskLineItems" xlink:to="us-gaap_ConcentrationRiskPercentage1" xlink:title="Definition : us-gaap_ConcentrationRiskLineItems to us-gaap_ConcentrationRiskPercentage1" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_CustomerSMember" xlink:label="vimc_CustomerSMember" xlink:title="vimc_CustomerSMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_NameOfMajorCustomerDomain" xlink:to="vimc_CustomerSMember" xlink:title="Definition : us-gaap_NameOfMajorCustomerDomain to vimc_CustomerSMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ConcentrationRiskTable" xlink:to="us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:title="Definition : us-gaap_ConcentrationRiskTable to us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_CustomerDMember" xlink:label="vimc_CustomerDMember" xlink:title="vimc_CustomerDMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_NameOfMajorCustomerDomain" xlink:to="vimc_CustomerDMember" xlink:title="Definition : us-gaap_NameOfMajorCustomerDomain to vimc_CustomerDMember" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ConcentrationRiskTable" xlink:to="us-gaap_MajorCustomersAxis" xlink:title="Definition : us-gaap_ConcentrationRiskTable to us-gaap_MajorCustomersAxis" xlink:type="arc" order="3" xbrldt:closed="false" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-sosapsonfvmfecoad">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:title="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:title="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:title="Definition : us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems to us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RangeAxis" xlink:label="us-gaap_RangeAxis" xlink:title="us-gaap_RangeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RangeMember" xlink:label="us-gaap_RangeMember" xlink:title="us-gaap_RangeMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_RangeAxis" xlink:to="us-gaap_RangeMember" xlink:title="Definition : us-gaap_RangeAxis to us-gaap_RangeMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:label="us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:title="us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:label="us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:title="us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:to="us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:title="Definition : us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis to us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueByMeasurementFrequencyAxis" xlink:label="us-gaap_FairValueByMeasurementFrequencyAxis" xlink:title="us-gaap_FairValueByMeasurementFrequencyAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="us-gaap_FairValueMeasurementFrequencyDomain" xlink:title="us-gaap_FairValueMeasurementFrequencyDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_FairValueByMeasurementFrequencyAxis" xlink:to="us-gaap_FairValueMeasurementFrequencyDomain" xlink:title="Definition : us-gaap_FairValueByMeasurementFrequencyAxis to us-gaap_FairValueMeasurementFrequencyDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:title="us-gaap_FairValueByFairValueHierarchyLevelAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:title="us-gaap_FairValueMeasurementsFairValueHierarchyDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:to="us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:title="Definition : us-gaap_FairValueByFairValueHierarchyLevelAxis to us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueByMeasurementBasisAxis" xlink:label="us-gaap_FairValueByMeasurementBasisAxis" xlink:title="us-gaap_FairValueByMeasurementBasisAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueDisclosureItemAmountsDomain" xlink:label="us-gaap_FairValueDisclosureItemAmountsDomain" xlink:title="us-gaap_FairValueDisclosureItemAmountsDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_FairValueByMeasurementBasisAxis" xlink:to="us-gaap_FairValueDisclosureItemAmountsDomain" xlink:title="Definition : us-gaap_FairValueByMeasurementBasisAxis to us-gaap_FairValueDisclosureItemAmountsDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_QingdaoVimicroCorporationAndVisiondigiTechnologyCorporationMember" xlink:label="vimc_QingdaoVimicroCorporationAndVisiondigiTechnologyCorporationMember" xlink:title="vimc_QingdaoVimicroCorporationAndVisiondigiTechnologyCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:to="vimc_QingdaoVimicroCorporationAndVisiondigiTechnologyCorporationMember" xlink:title="Definition : us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain to vimc_QingdaoVimicroCorporationAndVisiondigiTechnologyCorporationMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueMeasurementsNonrecurringMember" xlink:label="us-gaap_FairValueMeasurementsNonrecurringMember" xlink:title="us-gaap_FairValueMeasurementsNonrecurringMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FairValueMeasurementFrequencyDomain" xlink:to="us-gaap_FairValueMeasurementsNonrecurringMember" xlink:title="Definition : us-gaap_FairValueMeasurementFrequencyDomain to us-gaap_FairValueMeasurementsNonrecurringMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="us-gaap_FairValueInputsLevel3Member" xlink:title="us-gaap_FairValueInputsLevel3Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:to="us-gaap_FairValueInputsLevel3Member" xlink:title="Definition : us-gaap_FairValueMeasurementsFairValueHierarchyDomain to us-gaap_FairValueInputsLevel3Member" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ChangeDuringPeriodFairValueDisclosureMember" xlink:label="us-gaap_ChangeDuringPeriodFairValueDisclosureMember" xlink:title="us-gaap_ChangeDuringPeriodFairValueDisclosureMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FairValueDisclosureItemAmountsDomain" xlink:to="us-gaap_ChangeDuringPeriodFairValueDisclosureMember" xlink:title="Definition : us-gaap_FairValueDisclosureItemAmountsDomain to us-gaap_ChangeDuringPeriodFairValueDisclosureMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:to="us-gaap_FairValueByMeasurementFrequencyAxis" xlink:title="Definition : us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable to us-gaap_FairValueByMeasurementFrequencyAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RangeMember" xlink:label="us-gaap_RangeMember_1" xlink:title="us-gaap_RangeMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_RangeAxis" xlink:to="us-gaap_RangeMember_1" xlink:title="Definition : us-gaap_RangeAxis to us-gaap_RangeMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="us-gaap_FairValueMeasurementFrequencyDomain_1" xlink:title="us-gaap_FairValueMeasurementFrequencyDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_FairValueByMeasurementFrequencyAxis" xlink:to="us-gaap_FairValueMeasurementFrequencyDomain_1" xlink:title="Definition : us-gaap_FairValueByMeasurementFrequencyAxis to us-gaap_FairValueMeasurementFrequencyDomain" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_1" xlink:title="us-gaap_FairValueMeasurementsFairValueHierarchyDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:to="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_1" xlink:title="Definition : us-gaap_FairValueByFairValueHierarchyLevelAxis to us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueDisclosureItemAmountsDomain" xlink:label="us-gaap_FairValueDisclosureItemAmountsDomain_1" xlink:title="us-gaap_FairValueDisclosureItemAmountsDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_FairValueByMeasurementBasisAxis" xlink:to="us-gaap_FairValueDisclosureItemAmountsDomain_1" xlink:title="Definition : us-gaap_FairValueByMeasurementBasisAxis to us-gaap_FairValueDisclosureItemAmountsDomain" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AssetsFairValueDisclosureNonrecurring" xlink:label="us-gaap_AssetsFairValueDisclosureNonrecurring" xlink:title="us-gaap_AssetsFairValueDisclosureNonrecurring" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="us-gaap_AssetsFairValueDisclosureNonrecurring" xlink:title="Definition : us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems to us-gaap_AssetsFairValueDisclosureNonrecurring" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:to="us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:title="Definition : us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable to us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LiabilitiesFairValueDisclosureNonrecurring" xlink:label="us-gaap_LiabilitiesFairValueDisclosureNonrecurring" xlink:title="us-gaap_LiabilitiesFairValueDisclosureNonrecurring" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="us-gaap_LiabilitiesFairValueDisclosureNonrecurring" xlink:title="Definition : us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems to us-gaap_LiabilitiesFairValueDisclosureNonrecurring" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:to="us-gaap_FairValueByMeasurementBasisAxis" xlink:title="Definition : us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable to us-gaap_FairValueByMeasurementBasisAxis" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CostMethodInvestmentsFairValueDisclosure" xlink:label="us-gaap_CostMethodInvestmentsFairValueDisclosure" xlink:title="us-gaap_CostMethodInvestmentsFairValueDisclosure" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="us-gaap_CostMethodInvestmentsFairValueDisclosure" xlink:title="Definition : us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems to us-gaap_CostMethodInvestmentsFairValueDisclosure" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:to="us-gaap_RangeAxis" xlink:title="Definition : us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable to us-gaap_RangeAxis" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:to="us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:title="Definition : us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable to us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:type="arc" order="5" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MinimumMember" xlink:label="us-gaap_MinimumMember" xlink:title="us-gaap_MinimumMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RangeMember" xlink:to="us-gaap_MinimumMember" xlink:title="Definition : us-gaap_RangeMember to us-gaap_MinimumMember" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EstimateOfFairValueFairValueDisclosureMember" xlink:label="us-gaap_EstimateOfFairValueFairValueDisclosureMember" xlink:title="us-gaap_EstimateOfFairValueFairValueDisclosureMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:to="us-gaap_EstimateOfFairValueFairValueDisclosureMember" xlink:title="Definition : us-gaap_FairValueMeasurementsFairValueHierarchyDomain to us-gaap_EstimateOfFairValueFairValueDisclosureMember" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_DiscountsAppliedToQuotedMarketPriceOfAssetsFairValueDisclosure" xlink:label="vimc_DiscountsAppliedToQuotedMarketPriceOfAssetsFairValueDisclosure" xlink:title="vimc_DiscountsAppliedToQuotedMarketPriceOfAssetsFairValueDisclosure" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="vimc_DiscountsAppliedToQuotedMarketPriceOfAssetsFairValueDisclosure" xlink:title="Definition : us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems to vimc_DiscountsAppliedToQuotedMarketPriceOfAssetsFairValueDisclosure" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MaximumMember" xlink:label="us-gaap_MaximumMember" xlink:title="us-gaap_MaximumMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RangeMember" xlink:to="us-gaap_MaximumMember" xlink:title="Definition : us-gaap_RangeMember to us-gaap_MaximumMember" xlink:type="arc" order="8001" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="us-gaap_FairValueInputsLevel1Member" xlink:title="us-gaap_FairValueInputsLevel1Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:to="us-gaap_FairValueInputsLevel1Member" xlink:title="Definition : us-gaap_FairValueMeasurementsFairValueHierarchyDomain to us-gaap_FairValueInputsLevel1Member" xlink:type="arc" order="8001" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InvestmentsFairValueDisclosure" xlink:label="us-gaap_InvestmentsFairValueDisclosure" xlink:title="us-gaap_InvestmentsFairValueDisclosure" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="us-gaap_InvestmentsFairValueDisclosure" xlink:title="Definition : us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems to us-gaap_InvestmentsFairValueDisclosure" xlink:type="arc" order="8001" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="us-gaap_FairValueInputsLevel2Member" xlink:title="us-gaap_FairValueInputsLevel2Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:to="us-gaap_FairValueInputsLevel2Member" xlink:title="Definition : us-gaap_FairValueMeasurementsFairValueHierarchyDomain to us-gaap_FairValueInputsLevel2Member" xlink:type="arc" order="8002" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EquityMethodInvestmentsFairValueDisclosure" xlink:label="us-gaap_EquityMethodInvestmentsFairValueDisclosure" xlink:title="us-gaap_EquityMethodInvestmentsFairValueDisclosure" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="us-gaap_EquityMethodInvestmentsFairValueDisclosure" xlink:title="Definition : us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems to us-gaap_EquityMethodInvestmentsFairValueDisclosure" xlink:type="arc" order="8002" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentFairValueDisclosure" xlink:label="us-gaap_PropertyPlantAndEquipmentFairValueDisclosure" xlink:title="us-gaap_PropertyPlantAndEquipmentFairValueDisclosure" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="us-gaap_PropertyPlantAndEquipmentFairValueDisclosure" xlink:title="Definition : us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems to us-gaap_PropertyPlantAndEquipmentFairValueDisclosure" xlink:type="arc" order="8003" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:title="us-gaap_IntangibleAssetsNetExcludingGoodwill" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:title="Definition : us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems to us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:type="arc" order="8004" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GoodwillFairValueDisclosure" xlink:label="us-gaap_GoodwillFairValueDisclosure" xlink:title="us-gaap_GoodwillFairValueDisclosure" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:to="us-gaap_GoodwillFairValueDisclosure" xlink:title="Definition : us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems to us-gaap_GoodwillFairValueDisclosure" xlink:type="arc" order="8005" xbrldt:closed="false" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-sosapsoeuld">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems" xlink:label="us-gaap_PropertyPlantAndEquipmentLineItems" xlink:title="us-gaap_PropertyPlantAndEquipmentLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:label="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:title="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_PropertyPlantAndEquipmentLineItems" xlink:to="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:title="Definition : us-gaap_PropertyPlantAndEquipmentLineItems to us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:title="us-gaap_PropertyPlantAndEquipmentByTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:title="us-gaap_PropertyPlantAndEquipmentTypeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:to="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:title="Definition : us-gaap_PropertyPlantAndEquipmentByTypeAxis to us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RangeAxis" xlink:label="us-gaap_RangeAxis" xlink:title="us-gaap_RangeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RangeMember" xlink:label="us-gaap_RangeMember" xlink:title="us-gaap_RangeMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_RangeAxis" xlink:to="us-gaap_RangeMember" xlink:title="Definition : us-gaap_RangeAxis to us-gaap_RangeMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_EquipmentAndOfficeFurnitureMember" xlink:label="vimc_EquipmentAndOfficeFurnitureMember" xlink:title="vimc_EquipmentAndOfficeFurnitureMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="vimc_EquipmentAndOfficeFurnitureMember" xlink:title="Definition : us-gaap_PropertyPlantAndEquipmentTypeDomain to vimc_EquipmentAndOfficeFurnitureMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MinimumMember" xlink:label="us-gaap_MinimumMember" xlink:title="us-gaap_MinimumMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RangeMember" xlink:to="us-gaap_MinimumMember" xlink:title="Definition : us-gaap_RangeMember to us-gaap_MinimumMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:to="us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:title="Definition : us-gaap_ScheduleOfPropertyPlantAndEquipmentTable to us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_MaskAndToolingMember" xlink:label="vimc_MaskAndToolingMember" xlink:title="vimc_MaskAndToolingMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="vimc_MaskAndToolingMember" xlink:title="Definition : us-gaap_PropertyPlantAndEquipmentTypeDomain to vimc_MaskAndToolingMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MaximumMember" xlink:label="us-gaap_MaximumMember" xlink:title="us-gaap_MaximumMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RangeMember" xlink:to="us-gaap_MaximumMember" xlink:title="Definition : us-gaap_RangeMember to us-gaap_MaximumMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:title="us-gaap_PropertyPlantAndEquipmentUsefulLife" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_PropertyPlantAndEquipmentLineItems" xlink:to="us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:title="Definition : us-gaap_PropertyPlantAndEquipmentLineItems to us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:to="us-gaap_RangeAxis" xlink:title="Definition : us-gaap_ScheduleOfPropertyPlantAndEquipmentTable to us-gaap_RangeAxis" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_VehiclesMember" xlink:label="us-gaap_VehiclesMember" xlink:title="us-gaap_VehiclesMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="us-gaap_VehiclesMember" xlink:title="Definition : us-gaap_PropertyPlantAndEquipmentTypeDomain to us-gaap_VehiclesMember" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SoftwareAndSoftwareDevelopmentCostsMember" xlink:label="us-gaap_SoftwareAndSoftwareDevelopmentCostsMember" xlink:title="us-gaap_SoftwareAndSoftwareDevelopmentCostsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="us-gaap_SoftwareAndSoftwareDevelopmentCostsMember" xlink:title="Definition : us-gaap_PropertyPlantAndEquipmentTypeDomain to us-gaap_SoftwareAndSoftwareDevelopmentCostsMember" xlink:type="arc" order="4" xbrldt:closed="false" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-sosapgnd">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GoodwillLineItems" xlink:label="us-gaap_GoodwillLineItems" xlink:title="us-gaap_GoodwillLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfGoodwillTable" xlink:label="us-gaap_ScheduleOfGoodwillTable" xlink:title="us-gaap_ScheduleOfGoodwillTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_GoodwillLineItems" xlink:to="us-gaap_ScheduleOfGoodwillTable" xlink:title="Definition : us-gaap_GoodwillLineItems to us-gaap_ScheduleOfGoodwillTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis" xlink:title="dei_LegalEntityAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain" xlink:title="dei_EntityDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" xlink:title="Definition : dei_LegalEntityAxis to dei_EntityDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="us-gaap_BusinessAcquisitionAxis" xlink:title="us-gaap_BusinessAcquisitionAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="us-gaap_BusinessAcquisitionAcquireeDomain" xlink:title="us-gaap_BusinessAcquisitionAcquireeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_BusinessAcquisitionAxis" xlink:to="us-gaap_BusinessAcquisitionAcquireeDomain" xlink:title="Definition : us-gaap_BusinessAcquisitionAxis to us-gaap_BusinessAcquisitionAcquireeDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="us-gaap_StatementBusinessSegmentsAxis" xlink:title="us-gaap_StatementBusinessSegmentsAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SegmentDomain" xlink:label="us-gaap_SegmentDomain" xlink:title="us-gaap_SegmentDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_StatementBusinessSegmentsAxis" xlink:to="us-gaap_SegmentDomain" xlink:title="Definition : us-gaap_StatementBusinessSegmentsAxis to us-gaap_SegmentDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VimicroElectronicsCorporationMember" xlink:label="vimc_VimicroElectronicsCorporationMember" xlink:title="vimc_VimicroElectronicsCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_VimicroElectronicsCorporationMember" xlink:title="Definition : dei_EntityDomain to vimc_VimicroElectronicsCorporationMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VideoSurveillanceSystemMember" xlink:label="vimc_VideoSurveillanceSystemMember" xlink:title="vimc_VideoSurveillanceSystemMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_BusinessAcquisitionAcquireeDomain" xlink:to="vimc_VideoSurveillanceSystemMember" xlink:title="Definition : us-gaap_BusinessAcquisitionAcquireeDomain to vimc_VideoSurveillanceSystemMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_SurveillanceAndSecurityProductsMember" xlink:label="vimc_SurveillanceAndSecurityProductsMember" xlink:title="vimc_SurveillanceAndSecurityProductsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SegmentDomain" xlink:to="vimc_SurveillanceAndSecurityProductsMember" xlink:title="Definition : us-gaap_SegmentDomain to vimc_SurveillanceAndSecurityProductsMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfGoodwillTable" xlink:to="dei_LegalEntityAxis" xlink:title="Definition : us-gaap_ScheduleOfGoodwillTable to dei_LegalEntityAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SegmentDomain" xlink:label="us-gaap_SegmentDomain_1" xlink:title="us-gaap_SegmentDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_StatementBusinessSegmentsAxis" xlink:to="us-gaap_SegmentDomain_1" xlink:title="Definition : us-gaap_StatementBusinessSegmentsAxis to us-gaap_SegmentDomain" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_Goodwill" xlink:label="us-gaap_Goodwill" xlink:title="us-gaap_Goodwill" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_GoodwillLineItems" xlink:to="us-gaap_Goodwill" xlink:title="Definition : us-gaap_GoodwillLineItems to us-gaap_Goodwill" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfGoodwillTable" xlink:to="us-gaap_BusinessAcquisitionAxis" xlink:title="Definition : us-gaap_ScheduleOfGoodwillTable to us-gaap_BusinessAcquisitionAxis" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GoodwillImpairmentLoss" xlink:label="us-gaap_GoodwillImpairmentLoss" xlink:title="us-gaap_GoodwillImpairmentLoss" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_GoodwillLineItems" xlink:to="us-gaap_GoodwillImpairmentLoss" xlink:title="Definition : us-gaap_GoodwillLineItems to us-gaap_GoodwillImpairmentLoss" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfGoodwillTable" xlink:to="us-gaap_StatementBusinessSegmentsAxis" xlink:title="Definition : us-gaap_ScheduleOfGoodwillTable to us-gaap_StatementBusinessSegmentsAxis" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GoodwillRollForward" xlink:label="us-gaap_GoodwillRollForward" xlink:title="us-gaap_GoodwillRollForward" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_GoodwillLineItems" xlink:to="us-gaap_GoodwillRollForward" xlink:title="Definition : us-gaap_GoodwillLineItems to us-gaap_GoodwillRollForward" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GoodwillTranslationAdjustments" xlink:label="us-gaap_GoodwillTranslationAdjustments" xlink:title="us-gaap_GoodwillTranslationAdjustments" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_GoodwillLineItems" xlink:to="us-gaap_GoodwillTranslationAdjustments" xlink:title="Definition : us-gaap_GoodwillLineItems to us-gaap_GoodwillTranslationAdjustments" xlink:type="arc" order="8001" xbrldt:closed="false" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-sosapiaalatbdoadond">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems" xlink:label="us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems" xlink:title="us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetByMajorClassTable" xlink:label="us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetByMajorClassTable" xlink:title="us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetByMajorClassTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems" xlink:to="us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetByMajorClassTable" xlink:title="Definition : us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems to us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetByMajorClassTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:title="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:title="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:title="Definition : us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis to us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="us-gaap_BusinessAcquisitionAxis" xlink:title="us-gaap_BusinessAcquisitionAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="us-gaap_BusinessAcquisitionAcquireeDomain" xlink:title="us-gaap_BusinessAcquisitionAcquireeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_BusinessAcquisitionAxis" xlink:to="us-gaap_BusinessAcquisitionAcquireeDomain" xlink:title="Definition : us-gaap_BusinessAcquisitionAxis to us-gaap_BusinessAcquisitionAcquireeDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DevelopedTechnologyRightsMember" xlink:label="us-gaap_DevelopedTechnologyRightsMember" xlink:title="us-gaap_DevelopedTechnologyRightsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="us-gaap_DevelopedTechnologyRightsMember" xlink:title="Definition : us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain to us-gaap_DevelopedTechnologyRightsMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VideoSurveillanceSystemMember" xlink:label="vimc_VideoSurveillanceSystemMember" xlink:title="vimc_VideoSurveillanceSystemMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_BusinessAcquisitionAcquireeDomain" xlink:to="vimc_VideoSurveillanceSystemMember" xlink:title="Definition : us-gaap_BusinessAcquisitionAcquireeDomain to vimc_VideoSurveillanceSystemMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetByMajorClassTable" xlink:to="us-gaap_BusinessAcquisitionAxis" xlink:title="Definition : us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetByMajorClassTable to us-gaap_BusinessAcquisitionAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="us-gaap_BusinessAcquisitionAcquireeDomain_1" xlink:title="us-gaap_BusinessAcquisitionAcquireeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_BusinessAcquisitionAxis" xlink:to="us-gaap_BusinessAcquisitionAcquireeDomain_1" xlink:title="Definition : us-gaap_BusinessAcquisitionAxis to us-gaap_BusinessAcquisitionAcquireeDomain" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TradeNamesMember" xlink:label="us-gaap_TradeNamesMember" xlink:title="us-gaap_TradeNamesMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="us-gaap_TradeNamesMember" xlink:title="Definition : us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain to us-gaap_TradeNamesMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VisiondigiTechnologyCorporationMember" xlink:label="vimc_VisiondigiTechnologyCorporationMember" xlink:title="vimc_VisiondigiTechnologyCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_BusinessAcquisitionAcquireeDomain" xlink:to="vimc_VisiondigiTechnologyCorporationMember" xlink:title="Definition : us-gaap_BusinessAcquisitionAcquireeDomain to vimc_VisiondigiTechnologyCorporationMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetResidualValue" xlink:label="us-gaap_AcquiredFiniteLivedIntangibleAssetResidualValue" xlink:title="us-gaap_AcquiredFiniteLivedIntangibleAssetResidualValue" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems" xlink:to="us-gaap_AcquiredFiniteLivedIntangibleAssetResidualValue" xlink:title="Definition : us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems to us-gaap_AcquiredFiniteLivedIntangibleAssetResidualValue" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetByMajorClassTable" xlink:to="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:title="Definition : us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetByMajorClassTable to us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SoftwareAndSoftwareDevelopmentCostsMember" xlink:label="us-gaap_SoftwareAndSoftwareDevelopmentCostsMember" xlink:title="us-gaap_SoftwareAndSoftwareDevelopmentCostsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="us-gaap_SoftwareAndSoftwareDevelopmentCostsMember" xlink:title="Definition : us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain to us-gaap_SoftwareAndSoftwareDevelopmentCostsMember" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_FiniteLivedIntangibleAssetsAccumulatedImpairment" xlink:label="vimc_FiniteLivedIntangibleAssetsAccumulatedImpairment" xlink:title="vimc_FiniteLivedIntangibleAssetsAccumulatedImpairment" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems" xlink:to="vimc_FiniteLivedIntangibleAssetsAccumulatedImpairment" xlink:title="Definition : us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems to vimc_FiniteLivedIntangibleAssetsAccumulatedImpairment" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="us-gaap_StatementBusinessSegmentsAxis" xlink:title="us-gaap_StatementBusinessSegmentsAxis" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetByMajorClassTable" xlink:to="us-gaap_StatementBusinessSegmentsAxis" xlink:title="Definition : us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetByMajorClassTable to us-gaap_StatementBusinessSegmentsAxis" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet" xlink:title="us-gaap_FiniteLivedIntangibleAssetsNet" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems" xlink:to="us-gaap_FiniteLivedIntangibleAssetsNet" xlink:title="Definition : us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems to us-gaap_FiniteLivedIntangibleAssetsNet" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SegmentDomain" xlink:label="us-gaap_SegmentDomain" xlink:title="us-gaap_SegmentDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_StatementBusinessSegmentsAxis" xlink:to="us-gaap_SegmentDomain" xlink:title="Definition : us-gaap_StatementBusinessSegmentsAxis to us-gaap_SegmentDomain" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_SurveillanceAndSecurityProductsMember" xlink:label="vimc_SurveillanceAndSecurityProductsMember" xlink:title="vimc_SurveillanceAndSecurityProductsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SegmentDomain" xlink:to="vimc_SurveillanceAndSecurityProductsMember" xlink:title="Definition : us-gaap_SegmentDomain to vimc_SurveillanceAndSecurityProductsMember" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ImpairmentOfIntangibleAssetsFinitelived" xlink:label="us-gaap_ImpairmentOfIntangibleAssetsFinitelived" xlink:title="us-gaap_ImpairmentOfIntangibleAssetsFinitelived" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems" xlink:to="us-gaap_ImpairmentOfIntangibleAssetsFinitelived" xlink:title="Definition : us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems to us-gaap_ImpairmentOfIntangibleAssetsFinitelived" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife" xlink:label="us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife" xlink:title="us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems" xlink:to="us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife" xlink:title="Definition : us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems to us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife" xlink:type="arc" order="8001" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwillAbstract" xlink:label="us-gaap_IntangibleAssetsNetExcludingGoodwillAbstract" xlink:title="us-gaap_IntangibleAssetsNetExcludingGoodwillAbstract" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems" xlink:to="us-gaap_IntangibleAssetsNetExcludingGoodwillAbstract" xlink:title="Definition : us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems to us-gaap_IntangibleAssetsNetExcludingGoodwillAbstract" xlink:type="arc" order="8002" xbrldt:closed="false" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-sosappwrrggacitessawbppaasrnd">
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_SummaryOfSignificantAccountingPoliciesLineItems" xlink:label="vimc_SummaryOfSignificantAccountingPoliciesLineItems" xlink:title="vimc_SummaryOfSignificantAccountingPoliciesLineItems" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_SummaryOfSignificantAccountingPoliciesTable" xlink:label="vimc_SummaryOfSignificantAccountingPoliciesTable" xlink:title="vimc_SummaryOfSignificantAccountingPoliciesTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="vimc_SummaryOfSignificantAccountingPoliciesLineItems" xlink:to="vimc_SummaryOfSignificantAccountingPoliciesTable" xlink:title="Definition : vimc_SummaryOfSignificantAccountingPoliciesLineItems to vimc_SummaryOfSignificantAccountingPoliciesTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis" xlink:title="dei_LegalEntityAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain" xlink:title="dei_EntityDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" xlink:title="Definition : dei_LegalEntityAxis to dei_EntityDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RangeAxis" xlink:label="us-gaap_RangeAxis" xlink:title="us-gaap_RangeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RangeMember" xlink:label="us-gaap_RangeMember" xlink:title="us-gaap_RangeMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_RangeAxis" xlink:to="us-gaap_RangeMember" xlink:title="Definition : us-gaap_RangeAxis to us-gaap_RangeMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_GovernmentGrantsAbstract" xlink:label="vimc_GovernmentGrantsAbstract" xlink:title="vimc_GovernmentGrantsAbstract" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ProceedsFromGovernmentGrants" xlink:label="vimc_ProceedsFromGovernmentGrants" xlink:title="vimc_ProceedsFromGovernmentGrants" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_GovernmentGrantsAbstract" xlink:to="vimc_ProceedsFromGovernmentGrants" xlink:title="Definition : vimc_GovernmentGrantsAbstract to vimc_ProceedsFromGovernmentGrants" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VimicroCorporationMember" xlink:label="vimc_VimicroCorporationMember" xlink:title="vimc_VimicroCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_VimicroCorporationMember" xlink:title="Definition : dei_EntityDomain to vimc_VimicroCorporationMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MinimumMember" xlink:label="us-gaap_MinimumMember" xlink:title="us-gaap_MinimumMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RangeMember" xlink:to="us-gaap_MinimumMember" xlink:title="Definition : us-gaap_RangeMember to us-gaap_MinimumMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StandardProductWarrantyDisclosureAbstract" xlink:label="us-gaap_StandardProductWarrantyDisclosureAbstract" xlink:title="us-gaap_StandardProductWarrantyDisclosureAbstract" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ProductWarrantyPeriod" xlink:label="vimc_ProductWarrantyPeriod" xlink:title="vimc_ProductWarrantyPeriod" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StandardProductWarrantyDisclosureAbstract" xlink:to="vimc_ProductWarrantyPeriod" xlink:title="Definition : us-gaap_StandardProductWarrantyDisclosureAbstract to vimc_ProductWarrantyPeriod" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RevenueRecognitionAbstract" xlink:label="us-gaap_RevenueRecognitionAbstract" xlink:title="us-gaap_RevenueRecognitionAbstract" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_CreditTermOfDistributor" xlink:label="vimc_CreditTermOfDistributor" xlink:title="vimc_CreditTermOfDistributor" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RevenueRecognitionAbstract" xlink:to="vimc_CreditTermOfDistributor" xlink:title="Definition : us-gaap_RevenueRecognitionAbstract to vimc_CreditTermOfDistributor" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MarketingAndAdvertisingExpenseAbstract" xlink:label="us-gaap_MarketingAndAdvertisingExpenseAbstract" xlink:title="us-gaap_MarketingAndAdvertisingExpenseAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AdvertisingExpense" xlink:label="us-gaap_AdvertisingExpense" xlink:title="us-gaap_AdvertisingExpense" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_MarketingAndAdvertisingExpenseAbstract" xlink:to="us-gaap_AdvertisingExpense" xlink:title="Definition : us-gaap_MarketingAndAdvertisingExpenseAbstract to us-gaap_AdvertisingExpense" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract" xlink:label="us-gaap_IncomeTaxDisclosureAbstract" xlink:title="us-gaap_IncomeTaxDisclosureAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccruedIncomeTaxes" xlink:label="us-gaap_AccruedIncomeTaxes" xlink:title="us-gaap_AccruedIncomeTaxes" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeTaxDisclosureAbstract" xlink:to="us-gaap_AccruedIncomeTaxes" xlink:title="Definition : us-gaap_IncomeTaxDisclosureAbstract to us-gaap_AccruedIncomeTaxes" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_EmployeeSocialSecurityAndWelfareBenefitPlansAbstract" xlink:label="vimc_EmployeeSocialSecurityAndWelfareBenefitPlansAbstract" xlink:title="vimc_EmployeeSocialSecurityAndWelfareBenefitPlansAbstract" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_DefinedContributionPlanPostretirementOrOtherWelfareBenefitsObligationBeyondAnnualContributions" xlink:label="vimc_DefinedContributionPlanPostretirementOrOtherWelfareBenefitsObligationBeyondAnnualContributions" xlink:title="vimc_DefinedContributionPlanPostretirementOrOtherWelfareBenefitsObligationBeyondAnnualContributions" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_EmployeeSocialSecurityAndWelfareBenefitPlansAbstract" xlink:to="vimc_DefinedContributionPlanPostretirementOrOtherWelfareBenefitsObligationBeyondAnnualContributions" xlink:title="Definition : vimc_EmployeeSocialSecurityAndWelfareBenefitPlansAbstract to vimc_DefinedContributionPlanPostretirementOrOtherWelfareBenefitsObligationBeyondAnnualContributions" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ProfitAppropriationAbstract" xlink:label="vimc_ProfitAppropriationAbstract" xlink:title="vimc_ProfitAppropriationAbstract" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_MinimumPercentageOfNetProfitToBeAllocatedToStatutoryReserveFund" xlink:label="vimc_MinimumPercentageOfNetProfitToBeAllocatedToStatutoryReserveFund" xlink:title="vimc_MinimumPercentageOfNetProfitToBeAllocatedToStatutoryReserveFund" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_ProfitAppropriationAbstract" xlink:to="vimc_MinimumPercentageOfNetProfitToBeAllocatedToStatutoryReserveFund" xlink:title="Definition : vimc_ProfitAppropriationAbstract to vimc_MinimumPercentageOfNetProfitToBeAllocatedToStatutoryReserveFund" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:label="us-gaap_SegmentReportingAbstract" xlink:title="us-gaap_SegmentReportingAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NumberOfOperatingSegments" xlink:label="us-gaap_NumberOfOperatingSegments" xlink:title="us-gaap_NumberOfOperatingSegments" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SegmentReportingAbstract" xlink:to="us-gaap_NumberOfOperatingSegments" xlink:title="Definition : us-gaap_SegmentReportingAbstract to us-gaap_NumberOfOperatingSegments" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="vimc_SummaryOfSignificantAccountingPoliciesTable" xlink:to="dei_LegalEntityAxis" xlink:title="Definition : vimc_SummaryOfSignificantAccountingPoliciesTable to dei_LegalEntityAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RevenueFromGrants" xlink:label="us-gaap_RevenueFromGrants" xlink:title="us-gaap_RevenueFromGrants" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_GovernmentGrantsAbstract" xlink:to="us-gaap_RevenueFromGrants" xlink:title="Definition : vimc_GovernmentGrantsAbstract to us-gaap_RevenueFromGrants" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_VariableInterestEntityPrimaryBeneficiaryMember" xlink:label="us-gaap_VariableInterestEntityPrimaryBeneficiaryMember" xlink:title="us-gaap_VariableInterestEntityPrimaryBeneficiaryMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="us-gaap_VariableInterestEntityPrimaryBeneficiaryMember" xlink:title="Definition : dei_EntityDomain to us-gaap_VariableInterestEntityPrimaryBeneficiaryMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MaximumMember" xlink:label="us-gaap_MaximumMember" xlink:title="us-gaap_MaximumMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RangeMember" xlink:to="us-gaap_MaximumMember" xlink:title="Definition : us-gaap_RangeMember to us-gaap_MaximumMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_SummaryOfSignificantAccountingPoliciesLineItems" xlink:to="us-gaap_StandardProductWarrantyDisclosureAbstract" xlink:title="Definition : vimc_SummaryOfSignificantAccountingPoliciesLineItems to us-gaap_StandardProductWarrantyDisclosureAbstract" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DefinedContributionPlanCostRecognized" xlink:label="us-gaap_DefinedContributionPlanCostRecognized" xlink:title="us-gaap_DefinedContributionPlanCostRecognized" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_EmployeeSocialSecurityAndWelfareBenefitPlansAbstract" xlink:to="us-gaap_DefinedContributionPlanCostRecognized" xlink:title="Definition : vimc_EmployeeSocialSecurityAndWelfareBenefitPlansAbstract to us-gaap_DefinedContributionPlanCostRecognized" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_AppropriationOfAfterTaxProfitToStatutoryReserveFundLimitRegisteredCapitalPercentage" xlink:label="vimc_AppropriationOfAfterTaxProfitToStatutoryReserveFundLimitRegisteredCapitalPercentage" xlink:title="vimc_AppropriationOfAfterTaxProfitToStatutoryReserveFundLimitRegisteredCapitalPercentage" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_ProfitAppropriationAbstract" xlink:to="vimc_AppropriationOfAfterTaxProfitToStatutoryReserveFundLimitRegisteredCapitalPercentage" xlink:title="Definition : vimc_ProfitAppropriationAbstract to vimc_AppropriationOfAfterTaxProfitToStatutoryReserveFundLimitRegisteredCapitalPercentage" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="vimc_SummaryOfSignificantAccountingPoliciesTable" xlink:to="us-gaap_RangeAxis" xlink:title="Definition : vimc_SummaryOfSignificantAccountingPoliciesTable to us-gaap_RangeAxis" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_SummaryOfSignificantAccountingPoliciesLineItems" xlink:to="us-gaap_RevenueRecognitionAbstract" xlink:title="Definition : vimc_SummaryOfSignificantAccountingPoliciesLineItems to us-gaap_RevenueRecognitionAbstract" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_SummaryOfSignificantAccountingPoliciesLineItems" xlink:to="vimc_GovernmentGrantsAbstract" xlink:title="Definition : vimc_SummaryOfSignificantAccountingPoliciesLineItems to vimc_GovernmentGrantsAbstract" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_StatutoryReserveBalance" xlink:label="vimc_StatutoryReserveBalance" xlink:title="vimc_StatutoryReserveBalance" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_ProfitAppropriationAbstract" xlink:to="vimc_StatutoryReserveBalance" xlink:title="Definition : vimc_ProfitAppropriationAbstract to vimc_StatutoryReserveBalance" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_SummaryOfSignificantAccountingPoliciesLineItems" xlink:to="us-gaap_MarketingAndAdvertisingExpenseAbstract" xlink:title="Definition : vimc_SummaryOfSignificantAccountingPoliciesLineItems to us-gaap_MarketingAndAdvertisingExpenseAbstract" xlink:type="arc" order="5" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_SummaryOfSignificantAccountingPoliciesLineItems" xlink:to="us-gaap_IncomeTaxDisclosureAbstract" xlink:title="Definition : vimc_SummaryOfSignificantAccountingPoliciesLineItems to us-gaap_IncomeTaxDisclosureAbstract" xlink:type="arc" order="6" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_SummaryOfSignificantAccountingPoliciesLineItems" xlink:to="vimc_EmployeeSocialSecurityAndWelfareBenefitPlansAbstract" xlink:title="Definition : vimc_SummaryOfSignificantAccountingPoliciesLineItems to vimc_EmployeeSocialSecurityAndWelfareBenefitPlansAbstract" xlink:type="arc" order="7" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_SummaryOfSignificantAccountingPoliciesLineItems" xlink:to="vimc_ProfitAppropriationAbstract" xlink:title="Definition : vimc_SummaryOfSignificantAccountingPoliciesLineItems to vimc_ProfitAppropriationAbstract" xlink:type="arc" order="8" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_SummaryOfSignificantAccountingPoliciesLineItems" xlink:to="us-gaap_SegmentReportingAbstract" xlink:title="Definition : vimc_SummaryOfSignificantAccountingPoliciesLineItems to us-gaap_SegmentReportingAbstract" xlink:type="arc" order="9" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="us-gaap_StatementEquityComponentsAxis" xlink:title="us-gaap_StatementEquityComponentsAxis" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="vimc_SummaryOfSignificantAccountingPoliciesTable" xlink:to="us-gaap_StatementEquityComponentsAxis" xlink:title="Definition : vimc_SummaryOfSignificantAccountingPoliciesTable to us-gaap_StatementEquityComponentsAxis" xlink:type="arc" use="optional" order="12" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="us-gaap_EquityComponentDomain" xlink:title="us-gaap_EquityComponentDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_StatementEquityComponentsAxis" xlink:to="us-gaap_EquityComponentDomain" xlink:title="Definition : us-gaap_StatementEquityComponentsAxis to us-gaap_EquityComponentDomain" xlink:type="arc" use="optional" order="10" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_StatutoryReserveMember" xlink:label="vimc_StatutoryReserveMember" xlink:title="vimc_StatutoryReserveMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_EquityComponentDomain" xlink:to="vimc_StatutoryReserveMember" xlink:title="Definition : us-gaap_EquityComponentDomain to vimc_StatutoryReserveMember" xlink:type="arc" use="optional" order="10" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_AppropriationsToStatutorySurplusReserve" xlink:label="vimc_AppropriationsToStatutorySurplusReserve" xlink:title="vimc_AppropriationsToStatutorySurplusReserve" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_ProfitAppropriationAbstract" xlink:to="vimc_AppropriationsToStatutorySurplusReserve" xlink:title="Definition : vimc_ProfitAppropriationAbstract to vimc_AppropriationsToStatutorySurplusReserve" xlink:type="arc" use="optional" order="14" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-sosaplurnd">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:label="us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:title="us-gaap_FiniteLivedIntangibleAssetsLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:label="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:title="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:to="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:title="Definition : us-gaap_FiniteLivedIntangibleAssetsLineItems to us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RangeAxis" xlink:label="us-gaap_RangeAxis" xlink:title="us-gaap_RangeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RangeMember" xlink:label="us-gaap_RangeMember" xlink:title="us-gaap_RangeMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_RangeAxis" xlink:to="us-gaap_RangeMember" xlink:title="Definition : us-gaap_RangeAxis to us-gaap_RangeMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:title="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:title="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:title="Definition : us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis to us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MaximumMember" xlink:label="us-gaap_MaximumMember" xlink:title="us-gaap_MaximumMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RangeMember" xlink:to="us-gaap_MaximumMember" xlink:title="Definition : us-gaap_RangeMember to us-gaap_MaximumMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_UseRightsMember" xlink:label="us-gaap_UseRightsMember" xlink:title="us-gaap_UseRightsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="us-gaap_UseRightsMember" xlink:title="Definition : us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain to us-gaap_UseRightsMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:to="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:title="Definition : us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable to us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife" xlink:label="us-gaap_FiniteLivedIntangibleAssetUsefulLife" xlink:title="us-gaap_FiniteLivedIntangibleAssetUsefulLife" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:to="us-gaap_FiniteLivedIntangibleAssetUsefulLife" xlink:title="Definition : us-gaap_FiniteLivedIntangibleAssetsLineItems to us-gaap_FiniteLivedIntangibleAssetUsefulLife" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:to="us-gaap_RangeAxis" xlink:title="Definition : us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable to us-gaap_RangeAxis" xlink:type="arc" order="2" xbrldt:closed="false" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-sosapgmnd">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems" xlink:title="us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTable" xlink:label="us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTable" xlink:title="us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems" xlink:to="us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTable" xlink:title="Definition : us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems to us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis" xlink:title="us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:title="us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:title="Definition : us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis to us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_GolfMembershipsMember" xlink:label="vimc_GolfMembershipsMember" xlink:title="vimc_GolfMembershipsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="vimc_GolfMembershipsMember" xlink:title="Definition : us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain to vimc_GolfMembershipsMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTable" xlink:to="us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis" xlink:title="Definition : us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTable to us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_1" xlink:title="us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_1" xlink:title="Definition : us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis to us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_NumberOfLifetimeGolfMemberships" xlink:label="vimc_NumberOfLifetimeGolfMemberships" xlink:title="vimc_NumberOfLifetimeGolfMemberships" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems" xlink:to="vimc_NumberOfLifetimeGolfMemberships" xlink:title="Definition : us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems to vimc_NumberOfLifetimeGolfMemberships" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill" xlink:label="us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill" xlink:title="us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems" xlink:to="us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill" xlink:title="Definition : us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems to us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill" xlink:label="us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill" xlink:title="us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems" xlink:to="us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill" xlink:title="Definition : us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems to us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_CommitmentsToFinanceConstructionOfProjectNotRecognizedInFinancialStatements" xlink:label="vimc_CommitmentsToFinanceConstructionOfProjectNotRecognizedInFinancialStatements" xlink:title="vimc_CommitmentsToFinanceConstructionOfProjectNotRecognizedInFinancialStatements" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems" xlink:to="vimc_CommitmentsToFinanceConstructionOfProjectNotRecognizedInFinancialStatements" xlink:title="Definition : us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems to vimc_CommitmentsToFinanceConstructionOfProjectNotRecognizedInFinancialStatements" xlink:type="arc" order="5" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_PeriodForWhichGroupHadCommitmentsToFinanceConstructionOfProject" xlink:label="vimc_PeriodForWhichGroupHadCommitmentsToFinanceConstructionOfProject" xlink:title="vimc_PeriodForWhichGroupHadCommitmentsToFinanceConstructionOfProject" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems" xlink:to="vimc_PeriodForWhichGroupHadCommitmentsToFinanceConstructionOfProject" xlink:title="Definition : us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems to vimc_PeriodForWhichGroupHadCommitmentsToFinanceConstructionOfProject" xlink:type="arc" order="6" xbrldt:closed="false" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-vied">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_VariableInterestEntityLineItems" xlink:label="us-gaap_VariableInterestEntityLineItems" xlink:title="us-gaap_VariableInterestEntityLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfVariableInterestEntitiesTable" xlink:label="us-gaap_ScheduleOfVariableInterestEntitiesTable" xlink:title="us-gaap_ScheduleOfVariableInterestEntitiesTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_VariableInterestEntityLineItems" xlink:to="us-gaap_ScheduleOfVariableInterestEntitiesTable" xlink:title="Definition : us-gaap_VariableInterestEntityLineItems to us-gaap_ScheduleOfVariableInterestEntitiesTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis" xlink:label="us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis" xlink:title="us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ClassificationOfVariableInterestEntityDomain" xlink:label="us-gaap_ClassificationOfVariableInterestEntityDomain" xlink:title="us-gaap_ClassificationOfVariableInterestEntityDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis" xlink:to="us-gaap_ClassificationOfVariableInterestEntityDomain" xlink:title="Definition : us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis to us-gaap_ClassificationOfVariableInterestEntityDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_VariableInterestEntityPrimaryBeneficiaryMember" xlink:label="us-gaap_VariableInterestEntityPrimaryBeneficiaryMember" xlink:title="us-gaap_VariableInterestEntityPrimaryBeneficiaryMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassificationOfVariableInterestEntityDomain" xlink:to="us-gaap_VariableInterestEntityPrimaryBeneficiaryMember" xlink:title="Definition : us-gaap_ClassificationOfVariableInterestEntityDomain to us-gaap_VariableInterestEntityPrimaryBeneficiaryMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfVariableInterestEntitiesTable" xlink:to="us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis" xlink:title="Definition : us-gaap_ScheduleOfVariableInterestEntitiesTable to us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ClassificationOfVariableInterestEntityDomain" xlink:label="us-gaap_ClassificationOfVariableInterestEntityDomain_1" xlink:title="us-gaap_ClassificationOfVariableInterestEntityDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis" xlink:to="us-gaap_ClassificationOfVariableInterestEntityDomain_1" xlink:title="Definition : us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis to us-gaap_ClassificationOfVariableInterestEntityDomain" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="us-gaap_AssetsCurrent" xlink:title="us-gaap_AssetsCurrent" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_VariableInterestEntityLineItems" xlink:to="us-gaap_AssetsCurrent" xlink:title="Definition : us-gaap_VariableInterestEntityLineItems to us-gaap_AssetsCurrent" xlink:type="arc" use="optional" order="11" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="us-gaap_StockholdersEquity" xlink:title="us-gaap_StockholdersEquity" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_VariableInterestEntityLineItems" xlink:to="us-gaap_StockholdersEquity" xlink:title="Definition : us-gaap_VariableInterestEntityLineItems to us-gaap_StockholdersEquity" xlink:type="arc" use="optional" order="21" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-dond">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:label="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:title="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" xlink:label="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" xlink:title="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:to="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems to us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:label="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:title="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:label="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:title="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:to="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis to us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis" xlink:title="dei_LegalEntityAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain" xlink:title="dei_EntityDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" xlink:title="Definition : dei_LegalEntityAxis to dei_EntityDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:title="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="us-gaap_RelatedPartyDomain" xlink:title="us-gaap_RelatedPartyDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:to="us-gaap_RelatedPartyDomain" xlink:title="Definition : us-gaap_RelatedPartyTransactionsByRelatedPartyAxis to us-gaap_RelatedPartyDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_WuxiVimicroCorporationMember" xlink:label="vimc_WuxiVimicroCorporationMember" xlink:title="vimc_WuxiVimicroCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:to="vimc_WuxiVimicroCorporationMember" xlink:title="Definition : us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain to vimc_WuxiVimicroCorporationMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_BeijingZhongxingTianshiConsultingCompanyMember" xlink:label="vimc_BeijingZhongxingTianshiConsultingCompanyMember" xlink:title="vimc_BeijingZhongxingTianshiConsultingCompanyMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_BeijingZhongxingTianshiConsultingCompanyMember" xlink:title="Definition : dei_EntityDomain to vimc_BeijingZhongxingTianshiConsultingCompanyMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_QingdaoVimicroCorporationMember" xlink:label="vimc_QingdaoVimicroCorporationMember" xlink:title="vimc_QingdaoVimicroCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="vimc_QingdaoVimicroCorporationMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to vimc_QingdaoVimicroCorporationMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" xlink:to="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable to us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_MobileBusinessMember" xlink:label="vimc_MobileBusinessMember" xlink:title="vimc_MobileBusinessMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:to="vimc_MobileBusinessMember" xlink:title="Definition : us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain to vimc_MobileBusinessMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VimicroCorporationMember" xlink:label="vimc_VimicroCorporationMember" xlink:title="vimc_VimicroCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_VimicroCorporationMember" xlink:title="Definition : dei_EntityDomain to vimc_VimicroCorporationMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_NingboSunnyOpotechCorporationLimitedMember" xlink:label="vimc_NingboSunnyOpotechCorporationLimitedMember" xlink:title="vimc_NingboSunnyOpotechCorporationLimitedMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="vimc_NingboSunnyOpotechCorporationLimitedMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to vimc_NingboSunnyOpotechCorporationLimitedMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_OwnershipInterestPercentage" xlink:label="vimc_OwnershipInterestPercentage" xlink:title="vimc_OwnershipInterestPercentage" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:to="vimc_OwnershipInterestPercentage" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems to vimc_OwnershipInterestPercentage" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" xlink:to="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable to us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VisiondigiTechnologyCorporationMember" xlink:label="vimc_VisiondigiTechnologyCorporationMember" xlink:title="vimc_VisiondigiTechnologyCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:to="vimc_VisiondigiTechnologyCorporationMember" xlink:title="Definition : us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain to vimc_VisiondigiTechnologyCorporationMember" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_WuxiVimicroCorporationMember" xlink:title="Definition : dei_EntityDomain to vimc_WuxiVimicroCorporationMember" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_IndividualNoncontrollingShareholdersOfVisiondigiMember" xlink:label="vimc_IndividualNoncontrollingShareholdersOfVisiondigiMember" xlink:title="vimc_IndividualNoncontrollingShareholdersOfVisiondigiMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="vimc_IndividualNoncontrollingShareholdersOfVisiondigiMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to vimc_IndividualNoncontrollingShareholdersOfVisiondigiMember" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_NumberOfFormerKeyEmployeesWhoHoldOwnershipInterestInRelatedParty" xlink:label="vimc_NumberOfFormerKeyEmployeesWhoHoldOwnershipInterestInRelatedParty" xlink:title="vimc_NumberOfFormerKeyEmployeesWhoHoldOwnershipInterestInRelatedParty" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:to="vimc_NumberOfFormerKeyEmployeesWhoHoldOwnershipInterestInRelatedParty" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems to vimc_NumberOfFormerKeyEmployeesWhoHoldOwnershipInterestInRelatedParty" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable" xlink:to="dei_LegalEntityAxis" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable to dei_LegalEntityAxis" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_AmountToBeReceivedForForgivenessOfDuesFromRelatedPartyBySpecifiedPeriod" xlink:label="vimc_AmountToBeReceivedForForgivenessOfDuesFromRelatedPartyBySpecifiedPeriod" xlink:title="vimc_AmountToBeReceivedForForgivenessOfDuesFromRelatedPartyBySpecifiedPeriod" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:to="vimc_AmountToBeReceivedForForgivenessOfDuesFromRelatedPartyBySpecifiedPeriod" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems to vimc_AmountToBeReceivedForForgivenessOfDuesFromRelatedPartyBySpecifiedPeriod" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_WriteOffOfAccountsReceivableFromRelatedParty" xlink:label="vimc_WriteOffOfAccountsReceivableFromRelatedParty" xlink:title="vimc_WriteOffOfAccountsReceivableFromRelatedParty" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:to="vimc_WriteOffOfAccountsReceivableFromRelatedParty" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems to vimc_WriteOffOfAccountsReceivableFromRelatedParty" xlink:type="arc" order="5" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_DiscontinuedOperationPercentageOfOwnershipInterestSold" xlink:label="vimc_DiscontinuedOperationPercentageOfOwnershipInterestSold" xlink:title="vimc_DiscontinuedOperationPercentageOfOwnershipInterestSold" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:to="vimc_DiscontinuedOperationPercentageOfOwnershipInterestSold" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems to vimc_DiscontinuedOperationPercentageOfOwnershipInterestSold" xlink:type="arc" order="6" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ConsiderationFromDivestitureOfInterestInConsolidatedSubsidiaries" xlink:label="vimc_ConsiderationFromDivestitureOfInterestInConsolidatedSubsidiaries" xlink:title="vimc_ConsiderationFromDivestitureOfInterestInConsolidatedSubsidiaries" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:to="vimc_ConsiderationFromDivestitureOfInterestInConsolidatedSubsidiaries" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems to vimc_ConsiderationFromDivestitureOfInterestInConsolidatedSubsidiaries" xlink:type="arc" order="7" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ConsiderationFromDivestitureOfBusiness" xlink:label="vimc_ConsiderationFromDivestitureOfBusiness" xlink:title="vimc_ConsiderationFromDivestitureOfBusiness" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:to="vimc_ConsiderationFromDivestitureOfBusiness" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems to vimc_ConsiderationFromDivestitureOfBusiness" xlink:type="arc" order="8" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeconsolidationGainOrLossAmount" xlink:label="us-gaap_DeconsolidationGainOrLossAmount" xlink:title="us-gaap_DeconsolidationGainOrLossAmount" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:to="us-gaap_DeconsolidationGainOrLossAmount" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems to us-gaap_DeconsolidationGainOrLossAmount" xlink:type="arc" order="9" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_CostMethodInvestmentAssetsDerecognized" xlink:label="vimc_CostMethodInvestmentAssetsDerecognized" xlink:title="vimc_CostMethodInvestmentAssetsDerecognized" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:to="vimc_CostMethodInvestmentAssetsDerecognized" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems to vimc_CostMethodInvestmentAssetsDerecognized" xlink:type="arc" order="10" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_DerecognitionOfAssetsUponDeconsolidation" xlink:label="vimc_DerecognitionOfAssetsUponDeconsolidation" xlink:title="vimc_DerecognitionOfAssetsUponDeconsolidation" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:to="vimc_DerecognitionOfAssetsUponDeconsolidation" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems to vimc_DerecognitionOfAssetsUponDeconsolidation" xlink:type="arc" order="11" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_CostMethodInvestmentOwnershipPercentage" xlink:label="vimc_CostMethodInvestmentOwnershipPercentage" xlink:title="vimc_CostMethodInvestmentOwnershipPercentage" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:to="vimc_CostMethodInvestmentOwnershipPercentage" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems to vimc_CostMethodInvestmentOwnershipPercentage" xlink:type="arc" order="12" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_OwnershipPercentageHeldByFormerKeyEmployees" xlink:label="vimc_OwnershipPercentageHeldByFormerKeyEmployees" xlink:title="vimc_OwnershipPercentageHeldByFormerKeyEmployees" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:to="vimc_OwnershipPercentageHeldByFormerKeyEmployees" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems to vimc_OwnershipPercentageHeldByFormerKeyEmployees" xlink:type="arc" order="13" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_DueFromRelatedPartyAmountAgreedToBeForgivenOnSatisfactionOfCertainConditions" xlink:label="vimc_DueFromRelatedPartyAmountAgreedToBeForgivenOnSatisfactionOfCertainConditions" xlink:title="vimc_DueFromRelatedPartyAmountAgreedToBeForgivenOnSatisfactionOfCertainConditions" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:to="vimc_DueFromRelatedPartyAmountAgreedToBeForgivenOnSatisfactionOfCertainConditions" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems to vimc_DueFromRelatedPartyAmountAgreedToBeForgivenOnSatisfactionOfCertainConditions" xlink:type="arc" order="14" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_AmountExpectedToBeReceivedForForgivenessOfDuesFromRelatedParty" xlink:label="vimc_AmountExpectedToBeReceivedForForgivenessOfDuesFromRelatedParty" xlink:title="vimc_AmountExpectedToBeReceivedForForgivenessOfDuesFromRelatedParty" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:to="vimc_AmountExpectedToBeReceivedForForgivenessOfDuesFromRelatedParty" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems to vimc_AmountExpectedToBeReceivedForForgivenessOfDuesFromRelatedParty" xlink:type="arc" order="15" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_CostMethodInvestmentIndirectOwnershipPercentage" xlink:label="vimc_CostMethodInvestmentIndirectOwnershipPercentage" xlink:title="vimc_CostMethodInvestmentIndirectOwnershipPercentage" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:to="vimc_CostMethodInvestmentIndirectOwnershipPercentage" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems to vimc_CostMethodInvestmentIndirectOwnershipPercentage" xlink:type="arc" order="16" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_NumberOfIndividualShareholdersHoldingNoncontrollingInterest" xlink:label="vimc_NumberOfIndividualShareholdersHoldingNoncontrollingInterest" xlink:title="vimc_NumberOfIndividualShareholdersHoldingNoncontrollingInterest" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:to="vimc_NumberOfIndividualShareholdersHoldingNoncontrollingInterest" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems to vimc_NumberOfIndividualShareholdersHoldingNoncontrollingInterest" xlink:type="arc" order="17" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_PrepaymentToRelatedParty" xlink:label="vimc_PrepaymentToRelatedParty" xlink:title="vimc_PrepaymentToRelatedParty" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:to="vimc_PrepaymentToRelatedParty" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems to vimc_PrepaymentToRelatedParty" xlink:type="arc" order="18" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_GoodsReceivedFromRelatedParty" xlink:label="vimc_GoodsReceivedFromRelatedParty" xlink:title="vimc_GoodsReceivedFromRelatedParty" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:to="vimc_GoodsReceivedFromRelatedParty" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems to vimc_GoodsReceivedFromRelatedParty" xlink:type="arc" order="19" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_DerecognitionOfLiabilitiesUponDeconsolidation" xlink:label="vimc_DerecognitionOfLiabilitiesUponDeconsolidation" xlink:title="vimc_DerecognitionOfLiabilitiesUponDeconsolidation" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:to="vimc_DerecognitionOfLiabilitiesUponDeconsolidation" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems to vimc_DerecognitionOfLiabilitiesUponDeconsolidation" xlink:type="arc" order="20" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_RelatedPartyTransactionAmountReceivedFromRelatedParty" xlink:label="vimc_RelatedPartyTransactionAmountReceivedFromRelatedParty" xlink:title="vimc_RelatedPartyTransactionAmountReceivedFromRelatedParty" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:to="vimc_RelatedPartyTransactionAmountReceivedFromRelatedParty" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems to vimc_RelatedPartyTransactionAmountReceivedFromRelatedParty" xlink:type="arc" order="21" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CostMethodInvestmentsRealizedGains" xlink:label="us-gaap_CostMethodInvestmentsRealizedGains" xlink:title="us-gaap_CostMethodInvestmentsRealizedGains" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems" xlink:to="us-gaap_CostMethodInvestmentsRealizedGains" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems to us-gaap_CostMethodInvestmentsRealizedGains" xlink:type="arc" order="22" xbrldt:closed="false" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-rcd">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsItemsLineItems" xlink:label="us-gaap_RestrictedCashAndCashEquivalentsItemsLineItems" xlink:title="us-gaap_RestrictedCashAndCashEquivalentsItemsLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfRestrictedCashAndCashEquivalentsTable" xlink:label="us-gaap_ScheduleOfRestrictedCashAndCashEquivalentsTable" xlink:title="us-gaap_ScheduleOfRestrictedCashAndCashEquivalentsTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_RestrictedCashAndCashEquivalentsItemsLineItems" xlink:to="us-gaap_ScheduleOfRestrictedCashAndCashEquivalentsTable" xlink:title="Definition : us-gaap_RestrictedCashAndCashEquivalentsItemsLineItems to us-gaap_ScheduleOfRestrictedCashAndCashEquivalentsTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis" xlink:label="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis" xlink:title="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember" xlink:label="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember" xlink:title="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis" xlink:to="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember" xlink:title="Definition : us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis to us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_GovernmentGrantsAndCashPledgedForLongtermBankLoansMember" xlink:label="vimc_GovernmentGrantsAndCashPledgedForLongtermBankLoansMember" xlink:title="vimc_GovernmentGrantsAndCashPledgedForLongtermBankLoansMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember" xlink:to="vimc_GovernmentGrantsAndCashPledgedForLongtermBankLoansMember" xlink:title="Definition : us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember to vimc_GovernmentGrantsAndCashPledgedForLongtermBankLoansMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfRestrictedCashAndCashEquivalentsTable" xlink:to="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis" xlink:title="Definition : us-gaap_ScheduleOfRestrictedCashAndCashEquivalentsTable to us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember" xlink:label="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_1" xlink:title="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis" xlink:to="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_1" xlink:title="Definition : us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsAxis to us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_CustomerDepositToDevelopRetailBusinessMember" xlink:label="vimc_CustomerDepositToDevelopRetailBusinessMember" xlink:title="vimc_CustomerDepositToDevelopRetailBusinessMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember" xlink:to="vimc_CustomerDepositToDevelopRetailBusinessMember" xlink:title="Definition : us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember to vimc_CustomerDepositToDevelopRetailBusinessMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalents" xlink:label="us-gaap_RestrictedCashAndCashEquivalents" xlink:title="us-gaap_RestrictedCashAndCashEquivalents" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RestrictedCashAndCashEquivalentsItemsLineItems" xlink:to="us-gaap_RestrictedCashAndCashEquivalents" xlink:title="Definition : us-gaap_RestrictedCashAndCashEquivalentsItemsLineItems to us-gaap_RestrictedCashAndCashEquivalents" xlink:type="arc" order="2" xbrldt:closed="false" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-peasnsopeasnd">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems" xlink:label="us-gaap_PropertyPlantAndEquipmentLineItems" xlink:title="us-gaap_PropertyPlantAndEquipmentLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:label="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:title="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_PropertyPlantAndEquipmentLineItems" xlink:to="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:title="Definition : us-gaap_PropertyPlantAndEquipmentLineItems to us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:title="us-gaap_PropertyPlantAndEquipmentByTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:title="us-gaap_PropertyPlantAndEquipmentTypeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:to="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:title="Definition : us-gaap_PropertyPlantAndEquipmentByTypeAxis to us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_EquipmentAndOfficeFurnitureMember" xlink:label="vimc_EquipmentAndOfficeFurnitureMember" xlink:title="vimc_EquipmentAndOfficeFurnitureMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="vimc_EquipmentAndOfficeFurnitureMember" xlink:title="Definition : us-gaap_PropertyPlantAndEquipmentTypeDomain to vimc_EquipmentAndOfficeFurnitureMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:to="us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:title="Definition : us-gaap_ScheduleOfPropertyPlantAndEquipmentTable to us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain_1" xlink:title="us-gaap_PropertyPlantAndEquipmentTypeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:to="us-gaap_PropertyPlantAndEquipmentTypeDomain_1" xlink:title="Definition : us-gaap_PropertyPlantAndEquipmentByTypeAxis to us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="us-gaap_PropertyPlantAndEquipmentGross" xlink:title="us-gaap_PropertyPlantAndEquipmentGross" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_PropertyPlantAndEquipmentLineItems" xlink:to="us-gaap_PropertyPlantAndEquipmentGross" xlink:title="Definition : us-gaap_PropertyPlantAndEquipmentLineItems to us-gaap_PropertyPlantAndEquipmentGross" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AssetsHeldUnderCapitalLeasesMember" xlink:label="us-gaap_AssetsHeldUnderCapitalLeasesMember" xlink:title="us-gaap_AssetsHeldUnderCapitalLeasesMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="us-gaap_AssetsHeldUnderCapitalLeasesMember" xlink:title="Definition : us-gaap_PropertyPlantAndEquipmentTypeDomain to us-gaap_AssetsHeldUnderCapitalLeasesMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:title="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_PropertyPlantAndEquipmentLineItems" xlink:to="us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:title="Definition : us-gaap_PropertyPlantAndEquipmentLineItems to us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LeaseholdImprovementsMember" xlink:label="us-gaap_LeaseholdImprovementsMember" xlink:title="us-gaap_LeaseholdImprovementsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="us-gaap_LeaseholdImprovementsMember" xlink:title="Definition : us-gaap_PropertyPlantAndEquipmentTypeDomain to us-gaap_LeaseholdImprovementsMember" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_PropertyPlantAndEquipmentAccumulatedImpairmentLoss" xlink:label="vimc_PropertyPlantAndEquipmentAccumulatedImpairmentLoss" xlink:title="vimc_PropertyPlantAndEquipmentAccumulatedImpairmentLoss" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_PropertyPlantAndEquipmentLineItems" xlink:to="vimc_PropertyPlantAndEquipmentAccumulatedImpairmentLoss" xlink:title="Definition : us-gaap_PropertyPlantAndEquipmentLineItems to vimc_PropertyPlantAndEquipmentAccumulatedImpairmentLoss" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_MaskAndToolingMember" xlink:label="vimc_MaskAndToolingMember" xlink:title="vimc_MaskAndToolingMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="vimc_MaskAndToolingMember" xlink:title="Definition : us-gaap_PropertyPlantAndEquipmentTypeDomain to vimc_MaskAndToolingMember" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="us-gaap_PropertyPlantAndEquipmentNet" xlink:title="us-gaap_PropertyPlantAndEquipmentNet" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_PropertyPlantAndEquipmentLineItems" xlink:to="us-gaap_PropertyPlantAndEquipmentNet" xlink:title="Definition : us-gaap_PropertyPlantAndEquipmentLineItems to us-gaap_PropertyPlantAndEquipmentNet" xlink:type="arc" order="5" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_VehiclesMember" xlink:label="us-gaap_VehiclesMember" xlink:title="us-gaap_VehiclesMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="us-gaap_VehiclesMember" xlink:title="Definition : us-gaap_PropertyPlantAndEquipmentTypeDomain to us-gaap_VehiclesMember" xlink:type="arc" order="5" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SoftwareAndSoftwareDevelopmentCostsMember" xlink:label="us-gaap_SoftwareAndSoftwareDevelopmentCostsMember" xlink:title="us-gaap_SoftwareAndSoftwareDevelopmentCostsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="us-gaap_SoftwareAndSoftwareDevelopmentCostsMember" xlink:title="Definition : us-gaap_PropertyPlantAndEquipmentTypeDomain to us-gaap_SoftwareAndSoftwareDevelopmentCostsMember" xlink:type="arc" order="6" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConstructionInProgressMember" xlink:label="us-gaap_ConstructionInProgressMember" xlink:title="us-gaap_ConstructionInProgressMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="us-gaap_ConstructionInProgressMember" xlink:title="Definition : us-gaap_PropertyPlantAndEquipmentTypeDomain to us-gaap_ConstructionInProgressMember" xlink:type="arc" order="7" xbrldt:closed="false" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-peasnnd">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems" xlink:label="us-gaap_PropertyPlantAndEquipmentLineItems" xlink:title="us-gaap_PropertyPlantAndEquipmentLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:label="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:title="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_PropertyPlantAndEquipmentLineItems" xlink:to="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:title="Definition : us-gaap_PropertyPlantAndEquipmentLineItems to us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:title="us-gaap_PropertyPlantAndEquipmentByTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:title="us-gaap_PropertyPlantAndEquipmentTypeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:to="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:title="Definition : us-gaap_PropertyPlantAndEquipmentByTypeAxis to us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AssetsHeldUnderCapitalLeasesMember" xlink:label="us-gaap_AssetsHeldUnderCapitalLeasesMember" xlink:title="us-gaap_AssetsHeldUnderCapitalLeasesMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="us-gaap_AssetsHeldUnderCapitalLeasesMember" xlink:title="Definition : us-gaap_PropertyPlantAndEquipmentTypeDomain to us-gaap_AssetsHeldUnderCapitalLeasesMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:to="us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:title="Definition : us-gaap_ScheduleOfPropertyPlantAndEquipmentTable to us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_PrepaidPropertyLeasePayments" xlink:label="vimc_PrepaidPropertyLeasePayments" xlink:title="vimc_PrepaidPropertyLeasePayments" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_PropertyPlantAndEquipmentLineItems" xlink:to="vimc_PrepaidPropertyLeasePayments" xlink:title="Definition : us-gaap_PropertyPlantAndEquipmentLineItems to vimc_PrepaidPropertyLeasePayments" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConstructionInProgressMember" xlink:label="us-gaap_ConstructionInProgressMember" xlink:title="us-gaap_ConstructionInProgressMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="us-gaap_ConstructionInProgressMember" xlink:title="Definition : us-gaap_PropertyPlantAndEquipmentTypeDomain to us-gaap_ConstructionInProgressMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_LesseeLeasingArrangementsCapitalLeasesTermOfContract" xlink:label="vimc_LesseeLeasingArrangementsCapitalLeasesTermOfContract" xlink:title="vimc_LesseeLeasingArrangementsCapitalLeasesTermOfContract" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_PropertyPlantAndEquipmentLineItems" xlink:to="vimc_LesseeLeasingArrangementsCapitalLeasesTermOfContract" xlink:title="Definition : us-gaap_PropertyPlantAndEquipmentLineItems to vimc_LesseeLeasingArrangementsCapitalLeasesTermOfContract" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_LesseeLeasingArrangementsCapitalLeasesRenewalTerm" xlink:label="vimc_LesseeLeasingArrangementsCapitalLeasesRenewalTerm" xlink:title="vimc_LesseeLeasingArrangementsCapitalLeasesRenewalTerm" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_PropertyPlantAndEquipmentLineItems" xlink:to="vimc_LesseeLeasingArrangementsCapitalLeasesRenewalTerm" xlink:title="Definition : us-gaap_PropertyPlantAndEquipmentLineItems to vimc_LesseeLeasingArrangementsCapitalLeasesRenewalTerm" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AdjustmentForAmortization" xlink:label="us-gaap_AdjustmentForAmortization" xlink:title="us-gaap_AdjustmentForAmortization" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_PropertyPlantAndEquipmentLineItems" xlink:to="us-gaap_AdjustmentForAmortization" xlink:title="Definition : us-gaap_PropertyPlantAndEquipmentLineItems to us-gaap_AdjustmentForAmortization" xlink:type="arc" order="5" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:title="us-gaap_PropertyPlantAndEquipmentUsefulLife" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_PropertyPlantAndEquipmentLineItems" xlink:to="us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:title="Definition : us-gaap_PropertyPlantAndEquipmentLineItems to us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:type="arc" order="6" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CapitalLeasesFutureMinimumPaymentsDue" xlink:label="us-gaap_CapitalLeasesFutureMinimumPaymentsDue" xlink:title="us-gaap_CapitalLeasesFutureMinimumPaymentsDue" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_PropertyPlantAndEquipmentLineItems" xlink:to="us-gaap_CapitalLeasesFutureMinimumPaymentsDue" xlink:title="Definition : us-gaap_PropertyPlantAndEquipmentLineItems to us-gaap_CapitalLeasesFutureMinimumPaymentsDue" xlink:type="arc" order="7" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_PropertyPlantAndEquipmentPledgedAsCollateral" xlink:label="vimc_PropertyPlantAndEquipmentPledgedAsCollateral" xlink:title="vimc_PropertyPlantAndEquipmentPledgedAsCollateral" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_PropertyPlantAndEquipmentLineItems" xlink:to="vimc_PropertyPlantAndEquipmentPledgedAsCollateral" xlink:title="Definition : us-gaap_PropertyPlantAndEquipmentLineItems to vimc_PropertyPlantAndEquipmentPledgedAsCollateral" xlink:type="arc" order="8" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DepreciationNonproduction" xlink:label="us-gaap_DepreciationNonproduction" xlink:title="us-gaap_DepreciationNonproduction" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_PropertyPlantAndEquipmentLineItems" xlink:to="us-gaap_DepreciationNonproduction" xlink:title="Definition : us-gaap_PropertyPlantAndEquipmentLineItems to us-gaap_DepreciationNonproduction" xlink:type="arc" order="9" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InterestCostsCapitalized" xlink:label="us-gaap_InterestCostsCapitalized" xlink:title="us-gaap_InterestCostsCapitalized" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_PropertyPlantAndEquipmentLineItems" xlink:to="us-gaap_InterestCostsCapitalized" xlink:title="Definition : us-gaap_PropertyPlantAndEquipmentLineItems to us-gaap_InterestCostsCapitalized" xlink:type="arc" order="10" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ImpairmentOfLongLivedAssetsHeldForUse" xlink:label="us-gaap_ImpairmentOfLongLivedAssetsHeldForUse" xlink:title="us-gaap_ImpairmentOfLongLivedAssetsHeldForUse" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_PropertyPlantAndEquipmentLineItems" xlink:to="us-gaap_ImpairmentOfLongLivedAssetsHeldForUse" xlink:title="Definition : us-gaap_PropertyPlantAndEquipmentLineItems to us-gaap_ImpairmentOfLongLivedAssetsHeldForUse" xlink:type="arc" order="11" xbrldt:closed="false" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-lurnsolurd">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:label="us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:title="us-gaap_FiniteLivedIntangibleAssetsLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:label="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:title="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:to="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:title="Definition : us-gaap_FiniteLivedIntangibleAssetsLineItems to us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:title="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:title="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:title="Definition : us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis to us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_UseRightsMember" xlink:label="us-gaap_UseRightsMember" xlink:title="us-gaap_UseRightsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="us-gaap_UseRightsMember" xlink:title="Definition : us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain to us-gaap_UseRightsMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:to="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:title="Definition : us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable to us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_1" xlink:title="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_1" xlink:title="Definition : us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis to us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross" xlink:title="us-gaap_FiniteLivedIntangibleAssetsGross" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:to="us-gaap_FiniteLivedIntangibleAssetsGross" xlink:title="Definition : us-gaap_FiniteLivedIntangibleAssetsLineItems to us-gaap_FiniteLivedIntangibleAssetsGross" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:title="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:title="Definition : us-gaap_FiniteLivedIntangibleAssetsLineItems to us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet" xlink:title="us-gaap_FiniteLivedIntangibleAssetsNet" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:to="us-gaap_FiniteLivedIntangibleAssetsNet" xlink:title="Definition : us-gaap_FiniteLivedIntangibleAssetsLineItems to us-gaap_FiniteLivedIntangibleAssetsNet" xlink:type="arc" order="4" xbrldt:closed="false" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-lurnnd">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:label="us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:title="us-gaap_FiniteLivedIntangibleAssetsLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:label="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:title="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:to="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:title="Definition : us-gaap_FiniteLivedIntangibleAssetsLineItems to us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:title="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:title="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:title="Definition : us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis to us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_UseRightsMember" xlink:label="us-gaap_UseRightsMember" xlink:title="us-gaap_UseRightsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="us-gaap_UseRightsMember" xlink:title="Definition : us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain to us-gaap_UseRightsMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:to="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:title="Definition : us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable to us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_FiniteLivedIntangibleAssetsPledgedAsCollateral" xlink:label="vimc_FiniteLivedIntangibleAssetsPledgedAsCollateral" xlink:title="vimc_FiniteLivedIntangibleAssetsPledgedAsCollateral" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:to="vimc_FiniteLivedIntangibleAssetsPledgedAsCollateral" xlink:title="Definition : us-gaap_FiniteLivedIntangibleAssetsLineItems to vimc_FiniteLivedIntangibleAssetsPledgedAsCollateral" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="us-gaap_AmortizationOfIntangibleAssets" xlink:title="us-gaap_AmortizationOfIntangibleAssets" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:to="us-gaap_AmortizationOfIntangibleAssets" xlink:title="Definition : us-gaap_FiniteLivedIntangibleAssetsLineItems to us-gaap_AmortizationOfIntangibleAssets" xlink:type="arc" order="3" xbrldt:closed="false" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-lurnsoeaeolurafeonfyd">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:label="us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:title="us-gaap_FiniteLivedIntangibleAssetsLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:label="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:title="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:to="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:title="Definition : us-gaap_FiniteLivedIntangibleAssetsLineItems to us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:title="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:title="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:title="Definition : us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis to us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_UseRightsMember" xlink:label="us-gaap_UseRightsMember" xlink:title="us-gaap_UseRightsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="us-gaap_UseRightsMember" xlink:title="Definition : us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain to us-gaap_UseRightsMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xlink:label="us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xlink:title="us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:title="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:title="Definition : us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract to us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:to="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:title="Definition : us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable to us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:to="us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xlink:title="Definition : us-gaap_FiniteLivedIntangibleAssetsLineItems to us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:title="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:title="Definition : us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract to us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:title="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:title="Definition : us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract to us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:title="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:title="Definition : us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract to us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" xlink:title="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" xlink:title="Definition : us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract to us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" xlink:type="arc" order="5" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_PrepaymentForFiniteLivedIntangibleAssetAcquisition" xlink:label="vimc_PrepaymentForFiniteLivedIntangibleAssetAcquisition" xlink:title="vimc_PrepaymentForFiniteLivedIntangibleAssetAcquisition" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:to="vimc_PrepaymentForFiniteLivedIntangibleAssetAcquisition" xlink:title="Definition : us-gaap_FiniteLivedIntangibleAssetsLineItems to vimc_PrepaymentForFiniteLivedIntangibleAssetAcquisition" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_FiniteLivedIntangibleAssetsAmortizationExpenseYearFiveAndThereafter" xlink:label="vimc_FiniteLivedIntangibleAssetsAmortizationExpenseYearFiveAndThereafter" xlink:title="vimc_FiniteLivedIntangibleAssetsAmortizationExpenseYearFiveAndThereafter" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xlink:to="vimc_FiniteLivedIntangibleAssetsAmortizationExpenseYearFiveAndThereafter" xlink:title="Definition : us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract to vimc_FiniteLivedIntangibleAssetsAmortizationExpenseYearFiveAndThereafter" xlink:type="arc" order="8000" xbrldt:closed="false" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-ltblsoltdd">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="us-gaap_DebtInstrumentLineItems" xlink:title="us-gaap_DebtInstrumentLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="us-gaap_DebtInstrumentTable" xlink:title="us-gaap_DebtInstrumentTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_DebtInstrumentTable" xlink:title="Definition : us-gaap_DebtInstrumentLineItems to us-gaap_DebtInstrumentTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="us-gaap_LongtermDebtTypeAxis" xlink:title="us-gaap_LongtermDebtTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="us-gaap_LongtermDebtTypeDomain" xlink:title="us-gaap_LongtermDebtTypeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_LongtermDebtTypeAxis" xlink:to="us-gaap_LongtermDebtTypeDomain" xlink:title="Definition : us-gaap_LongtermDebtTypeAxis to us-gaap_LongtermDebtTypeDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_LoanFromChinaConstructionBankAt6.72PercentMember" xlink:label="vimc_LoanFromChinaConstructionBankAt6.72PercentMember" xlink:title="vimc_LoanFromChinaConstructionBankAt6.72PercentMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_LongtermDebtTypeDomain" xlink:to="vimc_LoanFromChinaConstructionBankAt6.72PercentMember" xlink:title="Definition : us-gaap_LongtermDebtTypeDomain to vimc_LoanFromChinaConstructionBankAt6.72PercentMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_DebtInstrumentTable" xlink:to="us-gaap_LongtermDebtTypeAxis" xlink:title="Definition : us-gaap_DebtInstrumentTable to us-gaap_LongtermDebtTypeAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NotesPayableToBankNoncurrent" xlink:label="us-gaap_NotesPayableToBankNoncurrent" xlink:title="us-gaap_NotesPayableToBankNoncurrent" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_NotesPayableToBankNoncurrent" xlink:title="Definition : us-gaap_DebtInstrumentLineItems to us-gaap_NotesPayableToBankNoncurrent" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_LoanFromChinaConstructionBankAt7.25PercentMember" xlink:label="vimc_LoanFromChinaConstructionBankAt7.25PercentMember" xlink:title="vimc_LoanFromChinaConstructionBankAt7.25PercentMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_LongtermDebtTypeDomain" xlink:to="vimc_LoanFromChinaConstructionBankAt7.25PercentMember" xlink:title="Definition : us-gaap_LongtermDebtTypeDomain to vimc_LoanFromChinaConstructionBankAt7.25PercentMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SecuredDebtMember" xlink:label="us-gaap_SecuredDebtMember" xlink:title="us-gaap_SecuredDebtMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_LongtermDebtTypeDomain" xlink:to="us-gaap_SecuredDebtMember" xlink:title="Definition : us-gaap_LongtermDebtTypeDomain to us-gaap_SecuredDebtMember" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:label="us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:title="us-gaap_DebtInstrumentInterestRateEffectivePercentage" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:title="Definition : us-gaap_DebtInstrumentLineItems to us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:type="arc" order="3" xbrldt:closed="false" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-ltblnd">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="us-gaap_DebtInstrumentLineItems" xlink:title="us-gaap_DebtInstrumentLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="us-gaap_DebtInstrumentTable" xlink:title="us-gaap_DebtInstrumentTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_DebtInstrumentTable" xlink:title="Definition : us-gaap_DebtInstrumentLineItems to us-gaap_DebtInstrumentTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis" xlink:title="dei_LegalEntityAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain" xlink:title="dei_EntityDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" xlink:title="Definition : dei_LegalEntityAxis to dei_EntityDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:label="us-gaap_CreditFacilityAxis" xlink:title="us-gaap_CreditFacilityAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="us-gaap_CreditFacilityDomain" xlink:title="us-gaap_CreditFacilityDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_CreditFacilityAxis" xlink:to="us-gaap_CreditFacilityDomain" xlink:title="Definition : us-gaap_CreditFacilityAxis to us-gaap_CreditFacilityDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="us-gaap_LongtermDebtTypeAxis" xlink:title="us-gaap_LongtermDebtTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="us-gaap_LongtermDebtTypeDomain" xlink:title="us-gaap_LongtermDebtTypeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_LongtermDebtTypeAxis" xlink:to="us-gaap_LongtermDebtTypeDomain" xlink:title="Definition : us-gaap_LongtermDebtTypeAxis to us-gaap_LongtermDebtTypeDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VimicroElectronicsCorporationMember" xlink:label="vimc_VimicroElectronicsCorporationMember" xlink:title="vimc_VimicroElectronicsCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_VimicroElectronicsCorporationMember" xlink:title="Definition : dei_EntityDomain to vimc_VimicroElectronicsCorporationMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_LoanFromChinaConstructionBankAt6.72PercentMember" xlink:label="vimc_LoanFromChinaConstructionBankAt6.72PercentMember" xlink:title="vimc_LoanFromChinaConstructionBankAt6.72PercentMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_LongtermDebtTypeDomain" xlink:to="vimc_LoanFromChinaConstructionBankAt6.72PercentMember" xlink:title="Definition : us-gaap_LongtermDebtTypeDomain to vimc_LoanFromChinaConstructionBankAt6.72PercentMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LineOfCreditMember" xlink:label="us-gaap_LineOfCreditMember" xlink:title="us-gaap_LineOfCreditMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CreditFacilityDomain" xlink:to="us-gaap_LineOfCreditMember" xlink:title="Definition : us-gaap_CreditFacilityDomain to us-gaap_LineOfCreditMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_DebtInstrumentTable" xlink:to="us-gaap_LongtermDebtTypeAxis" xlink:title="Definition : us-gaap_DebtInstrumentTable to us-gaap_LongtermDebtTypeAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="us-gaap_CreditFacilityDomain_1" xlink:title="us-gaap_CreditFacilityDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_CreditFacilityAxis" xlink:to="us-gaap_CreditFacilityDomain_1" xlink:title="Definition : us-gaap_CreditFacilityAxis to us-gaap_CreditFacilityDomain" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_DebtInstrumentCarryingAmountOfCollateralPledged" xlink:label="vimc_DebtInstrumentCarryingAmountOfCollateralPledged" xlink:title="vimc_DebtInstrumentCarryingAmountOfCollateralPledged" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="vimc_DebtInstrumentCarryingAmountOfCollateralPledged" xlink:title="Definition : us-gaap_DebtInstrumentLineItems to vimc_DebtInstrumentCarryingAmountOfCollateralPledged" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_LoanFromChinaConstructionBankAt7.25PercentMember" xlink:label="vimc_LoanFromChinaConstructionBankAt7.25PercentMember" xlink:title="vimc_LoanFromChinaConstructionBankAt7.25PercentMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_LongtermDebtTypeDomain" xlink:to="vimc_LoanFromChinaConstructionBankAt7.25PercentMember" xlink:title="Definition : us-gaap_LongtermDebtTypeDomain to vimc_LoanFromChinaConstructionBankAt7.25PercentMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_DebtInstrumentTable" xlink:to="us-gaap_CreditFacilityAxis" xlink:title="Definition : us-gaap_DebtInstrumentTable to us-gaap_CreditFacilityAxis" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SecuredDebtMember" xlink:label="us-gaap_SecuredDebtMember" xlink:title="us-gaap_SecuredDebtMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_LongtermDebtTypeDomain" xlink:to="us-gaap_SecuredDebtMember" xlink:title="Definition : us-gaap_LongtermDebtTypeDomain to us-gaap_SecuredDebtMember" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:title="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:title="Definition : us-gaap_DebtInstrumentLineItems to us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_DebtInstrumentTable" xlink:to="dei_LegalEntityAxis" xlink:title="Definition : us-gaap_DebtInstrumentTable to dei_LegalEntityAxis" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_DebtInstrumentVariableRateAsPercentageOfBenchmarkLendingRate" xlink:label="vimc_DebtInstrumentVariableRateAsPercentageOfBenchmarkLendingRate" xlink:title="vimc_DebtInstrumentVariableRateAsPercentageOfBenchmarkLendingRate" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="vimc_DebtInstrumentVariableRateAsPercentageOfBenchmarkLendingRate" xlink:title="Definition : us-gaap_DebtInstrumentLineItems to vimc_DebtInstrumentVariableRateAsPercentageOfBenchmarkLendingRate" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PaidInKindInterest" xlink:label="us-gaap_PaidInKindInterest" xlink:title="us-gaap_PaidInKindInterest" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_PaidInKindInterest" xlink:title="Definition : us-gaap_DebtInstrumentLineItems to us-gaap_PaidInKindInterest" xlink:type="arc" order="5" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InterestCostsCapitalized" xlink:label="us-gaap_InterestCostsCapitalized" xlink:title="us-gaap_InterestCostsCapitalized" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_InterestCostsCapitalized" xlink:title="Definition : us-gaap_DebtInstrumentLineItems to us-gaap_InterestCostsCapitalized" xlink:type="arc" order="6" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LineOfCredit" xlink:label="us-gaap_LineOfCredit" xlink:title="us-gaap_LineOfCredit" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_LineOfCredit" xlink:title="Definition : us-gaap_DebtInstrumentLineItems to us-gaap_LineOfCredit" xlink:type="arc" order="7" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_LineOfCreditFacilityPercentageOfRepaymentOfPrincipalAmountDueYearTwo" xlink:label="vimc_LineOfCreditFacilityPercentageOfRepaymentOfPrincipalAmountDueYearTwo" xlink:title="vimc_LineOfCreditFacilityPercentageOfRepaymentOfPrincipalAmountDueYearTwo" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="vimc_LineOfCreditFacilityPercentageOfRepaymentOfPrincipalAmountDueYearTwo" xlink:title="Definition : us-gaap_DebtInstrumentLineItems to vimc_LineOfCreditFacilityPercentageOfRepaymentOfPrincipalAmountDueYearTwo" xlink:type="arc" order="8" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_LineOfCreditFacilityPercentageOfRepaymentOfPrincipalAmountDueYearThree" xlink:label="vimc_LineOfCreditFacilityPercentageOfRepaymentOfPrincipalAmountDueYearThree" xlink:title="vimc_LineOfCreditFacilityPercentageOfRepaymentOfPrincipalAmountDueYearThree" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="vimc_LineOfCreditFacilityPercentageOfRepaymentOfPrincipalAmountDueYearThree" xlink:title="Definition : us-gaap_DebtInstrumentLineItems to vimc_LineOfCreditFacilityPercentageOfRepaymentOfPrincipalAmountDueYearThree" xlink:type="arc" order="9" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:label="us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:title="us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:title="Definition : us-gaap_DebtInstrumentLineItems to us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:type="arc" order="10" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LoansPayableToBankCurrent" xlink:label="us-gaap_LoansPayableToBankCurrent" xlink:title="us-gaap_LoansPayableToBankCurrent" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_LoansPayableToBankCurrent" xlink:title="Definition : us-gaap_DebtInstrumentLineItems to us-gaap_LoansPayableToBankCurrent" xlink:type="arc" use="optional" order="20" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-oltlnd">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="us-gaap_DebtInstrumentLineItems" xlink:title="us-gaap_DebtInstrumentLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="us-gaap_DebtInstrumentTable" xlink:title="us-gaap_DebtInstrumentTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_DebtInstrumentTable" xlink:title="Definition : us-gaap_DebtInstrumentLineItems to us-gaap_DebtInstrumentTable" xlink:type="arc" order="0.1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="us-gaap_LongtermDebtTypeAxis" xlink:title="us-gaap_LongtermDebtTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="us-gaap_LongtermDebtTypeDomain" xlink:title="us-gaap_LongtermDebtTypeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_LongtermDebtTypeAxis" xlink:to="us-gaap_LongtermDebtTypeDomain" xlink:title="Definition : us-gaap_LongtermDebtTypeAxis to us-gaap_LongtermDebtTypeDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RangeAxis" xlink:label="us-gaap_RangeAxis" xlink:title="us-gaap_RangeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RangeMember" xlink:label="us-gaap_RangeMember" xlink:title="us-gaap_RangeMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_RangeAxis" xlink:to="us-gaap_RangeMember" xlink:title="Definition : us-gaap_RangeAxis to us-gaap_RangeMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CounterpartyNameAxis" xlink:label="us-gaap_CounterpartyNameAxis" xlink:title="us-gaap_CounterpartyNameAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RepurchaseAgreementCounterpartyNameDomain" xlink:label="us-gaap_RepurchaseAgreementCounterpartyNameDomain" xlink:title="us-gaap_RepurchaseAgreementCounterpartyNameDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_CounterpartyNameAxis" xlink:to="us-gaap_RepurchaseAgreementCounterpartyNameDomain" xlink:title="Definition : us-gaap_CounterpartyNameAxis to us-gaap_RepurchaseAgreementCounterpartyNameDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis" xlink:title="dei_LegalEntityAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain" xlink:title="dei_EntityDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" xlink:title="Definition : dei_LegalEntityAxis to dei_EntityDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TypeOfArrangementAxis" xlink:label="us-gaap_TypeOfArrangementAxis" xlink:title="us-gaap_TypeOfArrangementAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:label="us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:title="us-gaap_ArrangementsAndNonarrangementTransactionsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_TypeOfArrangementAxis" xlink:to="us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:title="Definition : us-gaap_TypeOfArrangementAxis to us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MaximumMember" xlink:label="us-gaap_MaximumMember" xlink:title="us-gaap_MaximumMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RangeMember" xlink:to="us-gaap_MaximumMember" xlink:title="Definition : us-gaap_RangeMember to us-gaap_MaximumMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VimicroFuzhouCorporationMember" xlink:label="vimc_VimicroFuzhouCorporationMember" xlink:title="vimc_VimicroFuzhouCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_VimicroFuzhouCorporationMember" xlink:title="Definition : dei_EntityDomain to vimc_VimicroFuzhouCorporationMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_StrategicCooperativeFrameworkAgreementMember" xlink:label="vimc_StrategicCooperativeFrameworkAgreementMember" xlink:title="vimc_StrategicCooperativeFrameworkAgreementMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:to="vimc_StrategicCooperativeFrameworkAgreementMember" xlink:title="Definition : us-gaap_ArrangementsAndNonarrangementTransactionsMember to vimc_StrategicCooperativeFrameworkAgreementMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_InterestFreeGovernmentLoanMember" xlink:label="vimc_InterestFreeGovernmentLoanMember" xlink:title="vimc_InterestFreeGovernmentLoanMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_LongtermDebtTypeDomain" xlink:to="vimc_InterestFreeGovernmentLoanMember" xlink:title="Definition : us-gaap_LongtermDebtTypeDomain to vimc_InterestFreeGovernmentLoanMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_NanjingXuanwuDistrictManagementAndInvestmentOfStateOwnedAssetsHoldingsGroupCoLtdMember" xlink:label="vimc_NanjingXuanwuDistrictManagementAndInvestmentOfStateOwnedAssetsHoldingsGroupCoLtdMember" xlink:title="vimc_NanjingXuanwuDistrictManagementAndInvestmentOfStateOwnedAssetsHoldingsGroupCoLtdMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RepurchaseAgreementCounterpartyNameDomain" xlink:to="vimc_NanjingXuanwuDistrictManagementAndInvestmentOfStateOwnedAssetsHoldingsGroupCoLtdMember" xlink:title="Definition : us-gaap_RepurchaseAgreementCounterpartyNameDomain to vimc_NanjingXuanwuDistrictManagementAndInvestmentOfStateOwnedAssetsHoldingsGroupCoLtdMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_DebtInstrumentTable" xlink:to="us-gaap_LongtermDebtTypeAxis" xlink:title="Definition : us-gaap_DebtInstrumentTable to us-gaap_LongtermDebtTypeAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:label="us-gaap_ArrangementsAndNonarrangementTransactionsMember_1" xlink:title="us-gaap_ArrangementsAndNonarrangementTransactionsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_TypeOfArrangementAxis" xlink:to="us-gaap_ArrangementsAndNonarrangementTransactionsMember_1" xlink:title="Definition : us-gaap_TypeOfArrangementAxis to us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_JiangsuVimicroElectronicsLimitedMember" xlink:label="vimc_JiangsuVimicroElectronicsLimitedMember" xlink:title="vimc_JiangsuVimicroElectronicsLimitedMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_JiangsuVimicroElectronicsLimitedMember" xlink:title="Definition : dei_EntityDomain to vimc_JiangsuVimicroElectronicsLimitedMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_CooperativeAgreementMember" xlink:label="vimc_CooperativeAgreementMember" xlink:title="vimc_CooperativeAgreementMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:to="vimc_CooperativeAgreementMember" xlink:title="Definition : us-gaap_ArrangementsAndNonarrangementTransactionsMember to vimc_CooperativeAgreementMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_DebtInstrumentTable" xlink:to="dei_LegalEntityAxis" xlink:title="Definition : us-gaap_DebtInstrumentTable to dei_LegalEntityAxis" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VimicroGangsuMember" xlink:label="vimc_VimicroGangsuMember" xlink:title="vimc_VimicroGangsuMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_VimicroGangsuMember" xlink:title="Definition : dei_EntityDomain to vimc_VimicroGangsuMember" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_DebtInstrumentTable" xlink:to="us-gaap_TypeOfArrangementAxis" xlink:title="Definition : us-gaap_DebtInstrumentTable to us-gaap_TypeOfArrangementAxis" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_LongTermCommitmentAmount" xlink:label="vimc_LongTermCommitmentAmount" xlink:title="vimc_LongTermCommitmentAmount" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="vimc_LongTermCommitmentAmount" xlink:title="Definition : us-gaap_DebtInstrumentLineItems to vimc_LongTermCommitmentAmount" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_DebtInstrumentTable" xlink:to="us-gaap_RangeAxis" xlink:title="Definition : us-gaap_DebtInstrumentTable to us-gaap_RangeAxis" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ReceivablesUnderContractualObligations" xlink:label="vimc_ReceivablesUnderContractualObligations" xlink:title="vimc_ReceivablesUnderContractualObligations" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="vimc_ReceivablesUnderContractualObligations" xlink:title="Definition : us-gaap_DebtInstrumentLineItems to vimc_ReceivablesUnderContractualObligations" xlink:type="arc" order="5" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_DebtInstrumentTable" xlink:to="us-gaap_CounterpartyNameAxis" xlink:title="Definition : us-gaap_DebtInstrumentTable to us-gaap_CounterpartyNameAxis" xlink:type="arc" order="5" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_SubsidyReceivableFromGovernment" xlink:label="vimc_SubsidyReceivableFromGovernment" xlink:title="vimc_SubsidyReceivableFromGovernment" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="vimc_SubsidyReceivableFromGovernment" xlink:title="Definition : us-gaap_DebtInstrumentLineItems to vimc_SubsidyReceivableFromGovernment" xlink:type="arc" order="6" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_DebtInstrumentBorrowingsToBeProvided" xlink:label="vimc_DebtInstrumentBorrowingsToBeProvided" xlink:title="vimc_DebtInstrumentBorrowingsToBeProvided" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="vimc_DebtInstrumentBorrowingsToBeProvided" xlink:title="Definition : us-gaap_DebtInstrumentLineItems to vimc_DebtInstrumentBorrowingsToBeProvided" xlink:type="arc" order="7" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_PeriodToRepayGovernmentGrants" xlink:label="vimc_PeriodToRepayGovernmentGrants" xlink:title="vimc_PeriodToRepayGovernmentGrants" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="vimc_PeriodToRepayGovernmentGrants" xlink:title="Definition : us-gaap_DebtInstrumentLineItems to vimc_PeriodToRepayGovernmentGrants" xlink:type="arc" order="8" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_DeferredGovernmentSubsidyGrantAdditions" xlink:label="vimc_DeferredGovernmentSubsidyGrantAdditions" xlink:title="vimc_DeferredGovernmentSubsidyGrantAdditions" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="vimc_DeferredGovernmentSubsidyGrantAdditions" xlink:title="Definition : us-gaap_DebtInstrumentLineItems to vimc_DeferredGovernmentSubsidyGrantAdditions" xlink:type="arc" order="9" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="us-gaap_DebtInstrumentFaceAmount" xlink:title="us-gaap_DebtInstrumentFaceAmount" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="us-gaap_DebtInstrumentFaceAmount" xlink:title="Definition : us-gaap_DebtInstrumentLineItems to us-gaap_DebtInstrumentFaceAmount" xlink:type="arc" order="10" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_AdditionalSubsidyReceivableFromGovernmentInNextTwelveMonths" xlink:label="vimc_AdditionalSubsidyReceivableFromGovernmentInNextTwelveMonths" xlink:title="vimc_AdditionalSubsidyReceivableFromGovernmentInNextTwelveMonths" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="vimc_AdditionalSubsidyReceivableFromGovernmentInNextTwelveMonths" xlink:title="Definition : us-gaap_DebtInstrumentLineItems to vimc_AdditionalSubsidyReceivableFromGovernmentInNextTwelveMonths" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_DebtInstrumentAdditionalBorrowingsToBeProvidedInNextTwelveMonths" xlink:label="vimc_DebtInstrumentAdditionalBorrowingsToBeProvidedInNextTwelveMonths" xlink:title="vimc_DebtInstrumentAdditionalBorrowingsToBeProvidedInNextTwelveMonths" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="vimc_DebtInstrumentAdditionalBorrowingsToBeProvidedInNextTwelveMonths" xlink:title="Definition : us-gaap_DebtInstrumentLineItems to vimc_DebtInstrumentAdditionalBorrowingsToBeProvidedInNextTwelveMonths" xlink:type="arc" order="8001" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_PeriodFromSetupOfEntityThatLoanIsToBeGrantedByGovernmentalAuthority" xlink:label="vimc_PeriodFromSetupOfEntityThatLoanIsToBeGrantedByGovernmentalAuthority" xlink:title="vimc_PeriodFromSetupOfEntityThatLoanIsToBeGrantedByGovernmentalAuthority" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="vimc_PeriodFromSetupOfEntityThatLoanIsToBeGrantedByGovernmentalAuthority" xlink:title="Definition : us-gaap_DebtInstrumentLineItems to vimc_PeriodFromSetupOfEntityThatLoanIsToBeGrantedByGovernmentalAuthority" xlink:type="arc" order="8002" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ProceedsFromSalesDepositForPropertiesReceived" xlink:label="vimc_ProceedsFromSalesDepositForPropertiesReceived" xlink:title="vimc_ProceedsFromSalesDepositForPropertiesReceived" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="vimc_ProceedsFromSalesDepositForPropertiesReceived" xlink:title="Definition : us-gaap_DebtInstrumentLineItems to vimc_ProceedsFromSalesDepositForPropertiesReceived" xlink:type="arc" order="8003" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_NumberOfInstallments" xlink:label="vimc_NumberOfInstallments" xlink:title="vimc_NumberOfInstallments" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DebtInstrumentLineItems" xlink:to="vimc_NumberOfInstallments" xlink:title="Definition : us-gaap_DebtInstrumentLineItems to vimc_NumberOfInstallments" xlink:type="arc" order="8004" xbrldt:closed="false" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-send">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EquityClassOfTreasuryStockLineItems" xlink:label="us-gaap_EquityClassOfTreasuryStockLineItems" xlink:title="us-gaap_EquityClassOfTreasuryStockLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ClassOfTreasuryStockTable" xlink:label="us-gaap_ClassOfTreasuryStockTable" xlink:title="us-gaap_ClassOfTreasuryStockTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_EquityClassOfTreasuryStockLineItems" xlink:to="us-gaap_ClassOfTreasuryStockTable" xlink:title="Definition : us-gaap_EquityClassOfTreasuryStockLineItems to us-gaap_ClassOfTreasuryStockTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="us-gaap_StatementEquityComponentsAxis" xlink:title="us-gaap_StatementEquityComponentsAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="us-gaap_EquityComponentDomain" xlink:title="us-gaap_EquityComponentDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_StatementEquityComponentsAxis" xlink:to="us-gaap_EquityComponentDomain" xlink:title="Definition : us-gaap_StatementEquityComponentsAxis to us-gaap_EquityComponentDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_CommonStockOutstandingMember" xlink:label="vimc_CommonStockOutstandingMember" xlink:title="vimc_CommonStockOutstandingMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_EquityComponentDomain" xlink:to="vimc_CommonStockOutstandingMember" xlink:title="Definition : us-gaap_EquityComponentDomain to vimc_CommonStockOutstandingMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ClassOfTreasuryStockTable" xlink:to="us-gaap_StatementEquityComponentsAxis" xlink:title="Definition : us-gaap_ClassOfTreasuryStockTable to us-gaap_StatementEquityComponentsAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="us-gaap_AdditionalPaidInCapitalMember" xlink:title="us-gaap_AdditionalPaidInCapitalMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_EquityComponentDomain" xlink:to="us-gaap_AdditionalPaidInCapitalMember" xlink:title="Definition : us-gaap_EquityComponentDomain to us-gaap_AdditionalPaidInCapitalMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TreasuryStockSharesRetired" xlink:label="us-gaap_TreasuryStockSharesRetired" xlink:title="us-gaap_TreasuryStockSharesRetired" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_EquityClassOfTreasuryStockLineItems" xlink:to="us-gaap_TreasuryStockSharesRetired" xlink:title="Definition : us-gaap_EquityClassOfTreasuryStockLineItems to us-gaap_TreasuryStockSharesRetired" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TreasuryStockRetiredCostMethodAmount" xlink:label="us-gaap_TreasuryStockRetiredCostMethodAmount" xlink:title="us-gaap_TreasuryStockRetiredCostMethodAmount" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_EquityClassOfTreasuryStockLineItems" xlink:to="us-gaap_TreasuryStockRetiredCostMethodAmount" xlink:title="Definition : us-gaap_EquityClassOfTreasuryStockLineItems to us-gaap_TreasuryStockRetiredCostMethodAmount" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TreasuryStockMember" xlink:label="us-gaap_TreasuryStockMember" xlink:title="us-gaap_TreasuryStockMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_EquityComponentDomain" xlink:to="us-gaap_TreasuryStockMember" xlink:title="Definition : us-gaap_EquityComponentDomain to us-gaap_TreasuryStockMember" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesTreasuryStockReissued" xlink:label="us-gaap_StockIssuedDuringPeriodSharesTreasuryStockReissued" xlink:title="us-gaap_StockIssuedDuringPeriodSharesTreasuryStockReissued" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_EquityClassOfTreasuryStockLineItems" xlink:to="us-gaap_StockIssuedDuringPeriodSharesTreasuryStockReissued" xlink:title="Definition : us-gaap_EquityClassOfTreasuryStockLineItems to us-gaap_StockIssuedDuringPeriodSharesTreasuryStockReissued" xlink:type="arc" use="optional" order="13" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-sesosrd">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EquityClassOfTreasuryStockLineItems" xlink:label="us-gaap_EquityClassOfTreasuryStockLineItems" xlink:title="us-gaap_EquityClassOfTreasuryStockLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ClassOfTreasuryStockTable" xlink:label="us-gaap_ClassOfTreasuryStockTable" xlink:title="us-gaap_ClassOfTreasuryStockTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_EquityClassOfTreasuryStockLineItems" xlink:to="us-gaap_ClassOfTreasuryStockTable" xlink:title="Definition : us-gaap_EquityClassOfTreasuryStockLineItems to us-gaap_ClassOfTreasuryStockTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="us-gaap_StatementClassOfStockAxis" xlink:title="us-gaap_StatementClassOfStockAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain" xlink:title="us-gaap_ClassOfStockDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_StatementClassOfStockAxis" xlink:to="us-gaap_ClassOfStockDomain" xlink:title="Definition : us-gaap_StatementClassOfStockAxis to us-gaap_ClassOfStockDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="us-gaap_StatementEquityComponentsAxis" xlink:title="us-gaap_StatementEquityComponentsAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="us-gaap_EquityComponentDomain" xlink:title="us-gaap_EquityComponentDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_StatementEquityComponentsAxis" xlink:to="us-gaap_EquityComponentDomain" xlink:title="Definition : us-gaap_StatementEquityComponentsAxis to us-gaap_EquityComponentDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RangeAxis" xlink:label="us-gaap_RangeAxis" xlink:title="us-gaap_RangeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RangeMember" xlink:label="us-gaap_RangeMember" xlink:title="us-gaap_RangeMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_RangeAxis" xlink:to="us-gaap_RangeMember" xlink:title="Definition : us-gaap_RangeAxis to us-gaap_RangeMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_AmericanDepositorySharesMember" xlink:label="vimc_AmericanDepositorySharesMember" xlink:title="vimc_AmericanDepositorySharesMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="vimc_AmericanDepositorySharesMember" xlink:title="Definition : us-gaap_ClassOfStockDomain to vimc_AmericanDepositorySharesMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_CommonStockOutstandingMember" xlink:label="vimc_CommonStockOutstandingMember" xlink:title="vimc_CommonStockOutstandingMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_EquityComponentDomain" xlink:to="vimc_CommonStockOutstandingMember" xlink:title="Definition : us-gaap_EquityComponentDomain to vimc_CommonStockOutstandingMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MinimumMember" xlink:label="us-gaap_MinimumMember" xlink:title="us-gaap_MinimumMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RangeMember" xlink:to="us-gaap_MinimumMember" xlink:title="Definition : us-gaap_RangeMember to us-gaap_MinimumMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ClassOfTreasuryStockTable" xlink:to="us-gaap_StatementClassOfStockAxis" xlink:title="Definition : us-gaap_ClassOfTreasuryStockTable to us-gaap_StatementClassOfStockAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MaximumMember" xlink:label="us-gaap_MaximumMember" xlink:title="us-gaap_MaximumMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RangeMember" xlink:to="us-gaap_MaximumMember" xlink:title="Definition : us-gaap_RangeMember to us-gaap_MaximumMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TreasuryStockSharesAcquired" xlink:label="us-gaap_TreasuryStockSharesAcquired" xlink:title="us-gaap_TreasuryStockSharesAcquired" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_EquityClassOfTreasuryStockLineItems" xlink:to="us-gaap_TreasuryStockSharesAcquired" xlink:title="Definition : us-gaap_EquityClassOfTreasuryStockLineItems to us-gaap_TreasuryStockSharesAcquired" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ClassOfTreasuryStockTable" xlink:to="us-gaap_RangeAxis" xlink:title="Definition : us-gaap_ClassOfTreasuryStockTable to us-gaap_RangeAxis" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TreasuryStockAcquiredAverageCostPerShare" xlink:label="us-gaap_TreasuryStockAcquiredAverageCostPerShare" xlink:title="us-gaap_TreasuryStockAcquiredAverageCostPerShare" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_EquityClassOfTreasuryStockLineItems" xlink:to="us-gaap_TreasuryStockAcquiredAverageCostPerShare" xlink:title="Definition : us-gaap_EquityClassOfTreasuryStockLineItems to us-gaap_TreasuryStockAcquiredAverageCostPerShare" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ClassOfTreasuryStockTable" xlink:to="us-gaap_StatementEquityComponentsAxis" xlink:title="Definition : us-gaap_ClassOfTreasuryStockTable to us-gaap_StatementEquityComponentsAxis" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:label="us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:title="us-gaap_TreasuryStockValueAcquiredCostMethod" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_EquityClassOfTreasuryStockLineItems" xlink:to="us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:title="Definition : us-gaap_EquityClassOfTreasuryStockLineItems to us-gaap_TreasuryStockValueAcquiredCostMethod" xlink:type="arc" order="4" xbrldt:closed="false" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-sbcnd">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:title="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" xlink:title="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:title="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" xlink:to="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:title="Definition : us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis to us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:title="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="us-gaap_RelatedPartyDomain" xlink:title="us-gaap_RelatedPartyDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:to="us-gaap_RelatedPartyDomain" xlink:title="Definition : us-gaap_RelatedPartyTransactionsByRelatedPartyAxis to us-gaap_RelatedPartyDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RangeAxis" xlink:label="us-gaap_RangeAxis" xlink:title="us-gaap_RangeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RangeMember" xlink:label="us-gaap_RangeMember" xlink:title="us-gaap_RangeMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_RangeAxis" xlink:to="us-gaap_RangeMember" xlink:title="Definition : us-gaap_RangeAxis to us-gaap_RangeMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="us-gaap_StatementClassOfStockAxis" xlink:title="us-gaap_StatementClassOfStockAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain" xlink:title="us-gaap_ClassOfStockDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_StatementClassOfStockAxis" xlink:to="us-gaap_ClassOfStockDomain" xlink:title="Definition : us-gaap_StatementClassOfStockAxis to us-gaap_ClassOfStockDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PlanNameAxis" xlink:label="us-gaap_PlanNameAxis" xlink:title="us-gaap_PlanNameAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="us-gaap_PlanNameDomain" xlink:title="us-gaap_PlanNameDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_PlanNameAxis" xlink:to="us-gaap_PlanNameDomain" xlink:title="Definition : us-gaap_PlanNameAxis to us-gaap_PlanNameDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="us-gaap_AwardTypeAxis" xlink:title="us-gaap_AwardTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:title="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_AwardTypeAxis" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:title="Definition : us-gaap_AwardTypeAxis to us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TitleOfIndividualAxis" xlink:label="us-gaap_TitleOfIndividualAxis" xlink:title="us-gaap_TitleOfIndividualAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:label="us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:title="us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_TitleOfIndividualAxis" xlink:to="us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:title="Definition : us-gaap_TitleOfIndividualAxis to us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VestingPeriodAxis" xlink:label="vimc_VestingPeriodAxis" xlink:title="vimc_VestingPeriodAxis" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VestingPeriodDomain" xlink:label="vimc_VestingPeriodDomain" xlink:title="vimc_VestingPeriodDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="vimc_VestingPeriodAxis" xlink:to="vimc_VestingPeriodDomain" xlink:title="Definition : vimc_VestingPeriodAxis to vimc_VestingPeriodDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_RangeOfExercisePricesFromDollars0.00To0.38Member" xlink:label="vimc_RangeOfExercisePricesFromDollars0.00To0.38Member" xlink:title="vimc_RangeOfExercisePricesFromDollars0.00To0.38Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:to="vimc_RangeOfExercisePricesFromDollars0.00To0.38Member" xlink:title="Definition : us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain to vimc_RangeOfExercisePricesFromDollars0.00To0.38Member" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_QingdaoVimicroCorporationMember" xlink:label="vimc_QingdaoVimicroCorporationMember" xlink:title="vimc_QingdaoVimicroCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="vimc_QingdaoVimicroCorporationMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to vimc_QingdaoVimicroCorporationMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MinimumMember" xlink:label="us-gaap_MinimumMember" xlink:title="us-gaap_MinimumMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RangeMember" xlink:to="us-gaap_MinimumMember" xlink:title="Definition : us-gaap_RangeMember to us-gaap_MinimumMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_CommonStockOutstandingMember" xlink:label="vimc_CommonStockOutstandingMember" xlink:title="vimc_CommonStockOutstandingMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="vimc_CommonStockOutstandingMember" xlink:title="Definition : us-gaap_ClassOfStockDomain to vimc_CommonStockOutstandingMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_Plan2004Member" xlink:label="vimc_Plan2004Member" xlink:title="vimc_Plan2004Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_PlanNameDomain" xlink:to="vimc_Plan2004Member" xlink:title="Definition : us-gaap_PlanNameDomain to vimc_Plan2004Member" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_EmployeeAndNonemployeeStockOptionMember" xlink:label="vimc_EmployeeAndNonemployeeStockOptionMember" xlink:title="vimc_EmployeeAndNonemployeeStockOptionMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="vimc_EmployeeAndNonemployeeStockOptionMember" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain to vimc_EmployeeAndNonemployeeStockOptionMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_EmployeeMember" xlink:label="vimc_EmployeeMember" xlink:title="vimc_EmployeeMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:to="vimc_EmployeeMember" xlink:title="Definition : us-gaap_TitleOfIndividualWithRelationshipToEntityDomain to vimc_EmployeeMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_EmployeeTwoMember" xlink:label="vimc_EmployeeTwoMember" xlink:title="vimc_EmployeeTwoMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_EmployeeMember" xlink:to="vimc_EmployeeTwoMember" xlink:title="Definition : vimc_EmployeeMember to vimc_EmployeeTwoMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VestingPeriodThreeYearsMember" xlink:label="vimc_VestingPeriodThreeYearsMember" xlink:title="vimc_VestingPeriodThreeYearsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_VestingPeriodDomain" xlink:to="vimc_VestingPeriodThreeYearsMember" xlink:title="Definition : vimc_VestingPeriodDomain to vimc_VestingPeriodThreeYearsMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract" xlink:label="us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract" xlink:title="us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:title="Definition : us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="us-gaap_PlanNameAxis" xlink:title="Definition : us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable to us-gaap_PlanNameAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain_1" xlink:title="us-gaap_ClassOfStockDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_StatementClassOfStockAxis" xlink:to="us-gaap_ClassOfStockDomain_1" xlink:title="Definition : us-gaap_StatementClassOfStockAxis to us-gaap_ClassOfStockDomain" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="us-gaap_PlanNameDomain_1" xlink:title="us-gaap_PlanNameDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_PlanNameAxis" xlink:to="us-gaap_PlanNameDomain_1" xlink:title="Definition : us-gaap_PlanNameAxis to us-gaap_PlanNameDomain" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_1" xlink:title="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_AwardTypeAxis" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_1" xlink:title="Definition : us-gaap_AwardTypeAxis to us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:label="us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_1" xlink:title="us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_TitleOfIndividualAxis" xlink:to="us-gaap_TitleOfIndividualWithRelationshipToEntityDomain_1" xlink:title="Definition : us-gaap_TitleOfIndividualAxis to us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VestingPeriodDomain" xlink:label="vimc_VestingPeriodDomain_1" xlink:title="vimc_VestingPeriodDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="vimc_VestingPeriodAxis" xlink:to="vimc_VestingPeriodDomain_1" xlink:title="Definition : vimc_VestingPeriodAxis to vimc_VestingPeriodDomain" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_EmployeeThreeMember" xlink:label="vimc_EmployeeThreeMember" xlink:title="vimc_EmployeeThreeMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_EmployeeMember" xlink:to="vimc_EmployeeThreeMember" xlink:title="Definition : vimc_EmployeeMember to vimc_EmployeeThreeMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ZhongtianxinTechnologyCoLtdMember" xlink:label="vimc_ZhongtianxinTechnologyCoLtdMember" xlink:title="vimc_ZhongtianxinTechnologyCoLtdMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="vimc_ZhongtianxinTechnologyCoLtdMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to vimc_ZhongtianxinTechnologyCoLtdMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MaximumMember" xlink:label="us-gaap_MaximumMember" xlink:title="us-gaap_MaximumMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RangeMember" xlink:to="us-gaap_MaximumMember" xlink:title="Definition : us-gaap_RangeMember to us-gaap_MaximumMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_Plan2005Member" xlink:label="vimc_Plan2005Member" xlink:title="vimc_Plan2005Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_PlanNameDomain" xlink:to="vimc_Plan2005Member" xlink:title="Definition : us-gaap_PlanNameDomain to vimc_Plan2005Member" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RestrictedStockMember" xlink:label="us-gaap_RestrictedStockMember" xlink:title="us-gaap_RestrictedStockMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="us-gaap_RestrictedStockMember" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain to us-gaap_RestrictedStockMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_NonEmployeeMember" xlink:label="vimc_NonEmployeeMember" xlink:title="vimc_NonEmployeeMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:to="vimc_NonEmployeeMember" xlink:title="Definition : us-gaap_TitleOfIndividualWithRelationshipToEntityDomain to vimc_NonEmployeeMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VestingPeriodFiveYearsMember" xlink:label="vimc_VestingPeriodFiveYearsMember" xlink:title="vimc_VestingPeriodFiveYearsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_VestingPeriodDomain" xlink:to="vimc_VestingPeriodFiveYearsMember" xlink:title="Definition : vimc_VestingPeriodDomain to vimc_VestingPeriodFiveYearsMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense" xlink:label="us-gaap_AllocatedShareBasedCompensationExpense" xlink:title="us-gaap_AllocatedShareBasedCompensationExpense" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_AllocatedShareBasedCompensationExpense" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to us-gaap_AllocatedShareBasedCompensationExpense" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare" xlink:title="us-gaap_CommonStockParOrStatedValuePerShare" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract" xlink:to="us-gaap_CommonStockParOrStatedValuePerShare" xlink:title="Definition : us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract to us-gaap_CommonStockParOrStatedValuePerShare" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="us-gaap_AwardTypeAxis" xlink:title="Definition : us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable to us-gaap_AwardTypeAxis" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_EmployeeFourMember" xlink:label="vimc_EmployeeFourMember" xlink:title="vimc_EmployeeFourMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_EmployeeMember" xlink:to="vimc_EmployeeFourMember" xlink:title="Definition : vimc_EmployeeMember to vimc_EmployeeFourMember" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PerformanceSharesMember" xlink:label="us-gaap_PerformanceSharesMember" xlink:title="us-gaap_PerformanceSharesMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="us-gaap_PerformanceSharesMember" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain to us-gaap_PerformanceSharesMember" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_KeyEmployeesMember" xlink:label="vimc_KeyEmployeesMember" xlink:title="vimc_KeyEmployeesMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:to="vimc_KeyEmployeesMember" xlink:title="Definition : us-gaap_TitleOfIndividualWithRelationshipToEntityDomain to vimc_KeyEmployeesMember" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VestingPeriodOneYearMember" xlink:label="vimc_VestingPeriodOneYearMember" xlink:title="vimc_VestingPeriodOneYearMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_VestingPeriodDomain" xlink:to="vimc_VestingPeriodOneYearMember" xlink:title="Definition : vimc_VestingPeriodDomain to vimc_VestingPeriodOneYearMember" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" xlink:title="us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_StockIssuedDuringPeriodSharesNewIssuesNumberOfEmployeesResigned" xlink:label="vimc_StockIssuedDuringPeriodSharesNewIssuesNumberOfEmployeesResigned" xlink:title="vimc_StockIssuedDuringPeriodSharesNewIssuesNumberOfEmployeesResigned" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract" xlink:to="vimc_StockIssuedDuringPeriodSharesNewIssuesNumberOfEmployeesResigned" xlink:title="Definition : us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract to vimc_StockIssuedDuringPeriodSharesNewIssuesNumberOfEmployeesResigned" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ZxinyingcaiMember" xlink:label="vimc_ZxinyingcaiMember" xlink:title="vimc_ZxinyingcaiMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="vimc_ZxinyingcaiMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to vimc_ZxinyingcaiMember" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="us-gaap_TitleOfIndividualAxis" xlink:title="Definition : us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable to us-gaap_TitleOfIndividualAxis" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_EmployeeFiveMember" xlink:label="vimc_EmployeeFiveMember" xlink:title="vimc_EmployeeFiveMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_EmployeeMember" xlink:to="vimc_EmployeeFiveMember" xlink:title="Definition : vimc_EmployeeMember to vimc_EmployeeFiveMember" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ManagementMember" xlink:label="us-gaap_ManagementMember" xlink:title="us-gaap_ManagementMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:to="us-gaap_ManagementMember" xlink:title="Definition : us-gaap_TitleOfIndividualWithRelationshipToEntityDomain to us-gaap_ManagementMember" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_IncomeTaxExpenseBenefitShareBasedCompensation" xlink:label="vimc_IncomeTaxExpenseBenefitShareBasedCompensation" xlink:title="vimc_IncomeTaxExpenseBenefitShareBasedCompensation" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="vimc_IncomeTaxExpenseBenefitShareBasedCompensation" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to vimc_IncomeTaxExpenseBenefitShareBasedCompensation" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ZhongtianxinMember" xlink:label="vimc_ZhongtianxinMember" xlink:title="vimc_ZhongtianxinMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="vimc_ZhongtianxinMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to vimc_ZhongtianxinMember" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ServiceBasedStockOptionsMember" xlink:label="vimc_ServiceBasedStockOptionsMember" xlink:title="vimc_ServiceBasedStockOptionsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="vimc_ServiceBasedStockOptionsMember" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain to vimc_ServiceBasedStockOptionsMember" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="us-gaap_RangeAxis" xlink:title="Definition : us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable to us-gaap_RangeAxis" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfPlans" xlink:label="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfPlans" xlink:title="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfPlans" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfPlans" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfPlans" xlink:type="arc" order="5" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="vimc_VestingPeriodAxis" xlink:title="Definition : us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable to vimc_VestingPeriodAxis" xlink:type="arc" order="5" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationTerm" xlink:label="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationTerm" xlink:title="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationTerm" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationTerm" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationTerm" xlink:type="arc" order="6" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="us-gaap_StatementClassOfStockAxis" xlink:title="Definition : us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable to us-gaap_StatementClassOfStockAxis" xlink:type="arc" order="6" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:type="arc" order="7" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:title="Definition : us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable to us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:type="arc" order="7" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:type="arc" order="8" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" xlink:title="Definition : us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable to us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" xlink:type="arc" order="8" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfAwardsVestingOneYearAfterGrantDate" xlink:label="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfAwardsVestingOneYearAfterGrantDate" xlink:title="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfAwardsVestingOneYearAfterGrantDate" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfAwardsVestingOneYearAfterGrantDate" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfAwardsVestingOneYearAfterGrantDate" xlink:type="arc" order="9" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardInitialAwardVestingPeriod" xlink:label="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardInitialAwardVestingPeriod" xlink:title="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardInitialAwardVestingPeriod" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardInitialAwardVestingPeriod" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardInitialAwardVestingPeriod" xlink:type="arc" order="10" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfAwardsVestingSemiAnnually" xlink:label="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfAwardsVestingSemiAnnually" xlink:title="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfAwardsVestingSemiAnnually" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfAwardsVestingSemiAnnually" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfAwardsVestingSemiAnnually" xlink:type="arc" order="11" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingPeriodRemainder" xlink:label="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingPeriodRemainder" xlink:title="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingPeriodRemainder" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingPeriodRemainder" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingPeriodRemainder" xlink:type="arc" order="12" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfSharesVestingMonthly" xlink:label="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfSharesVestingMonthly" xlink:title="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfSharesVestingMonthly" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfSharesVestingMonthly" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfSharesVestingMonthly" xlink:type="arc" order="13" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsCumulativeGrants" xlink:label="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsCumulativeGrants" xlink:title="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsCumulativeGrants" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsCumulativeGrants" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsCumulativeGrants" xlink:type="arc" order="14" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEmployees" xlink:label="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEmployees" xlink:title="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEmployees" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEmployees" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfEmployees" xlink:type="arc" order="15" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsCumulativeGrantsExercisePrice" xlink:label="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsCumulativeGrantsExercisePrice" xlink:title="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsCumulativeGrantsExercisePrice" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsCumulativeGrantsExercisePrice" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsCumulativeGrantsExercisePrice" xlink:type="arc" order="16" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesAuthorizedOptionsTransferredFromPriorPlan" xlink:label="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesAuthorizedOptionsTransferredFromPriorPlan" xlink:title="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesAuthorizedOptionsTransferredFromPriorPlan" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesAuthorizedOptionsTransferredFromPriorPlan" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesAuthorizedOptionsTransferredFromPriorPlan" xlink:type="arc" order="17" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized" xlink:type="arc" order="18" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfQuartersForPerformanceReview" xlink:label="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfQuartersForPerformanceReview" xlink:title="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfQuartersForPerformanceReview" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfQuartersForPerformanceReview" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfQuartersForPerformanceReview" xlink:type="arc" order="19" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfAwardsVestingOnSatisfactoryEvaluationForEveryQuarterlyPerformanceReview" xlink:label="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfAwardsVestingOnSatisfactoryEvaluationForEveryQuarterlyPerformanceReview" xlink:title="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfAwardsVestingOnSatisfactoryEvaluationForEveryQuarterlyPerformanceReview" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfAwardsVestingOnSatisfactoryEvaluationForEveryQuarterlyPerformanceReview" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfAwardsVestingOnSatisfactoryEvaluationForEveryQuarterlyPerformanceReview" xlink:type="arc" order="20" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:type="arc" order="21" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsCumulativeGrants" xlink:label="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsCumulativeGrants" xlink:title="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsCumulativeGrants" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsCumulativeGrants" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsCumulativeGrants" xlink:type="arc" order="22" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardRepricedOptionsOutstandingNumber" xlink:label="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardRepricedOptionsOutstandingNumber" xlink:title="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardRepricedOptionsOutstandingNumber" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardRepricedOptionsOutstandingNumber" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardRepricedOptionsOutstandingNumber" xlink:type="arc" order="23" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardRepricedOptionsOutstandingRepricedExercisePrice" xlink:label="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardRepricedOptionsOutstandingRepricedExercisePrice" xlink:title="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardRepricedOptionsOutstandingRepricedExercisePrice" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardRepricedOptionsOutstandingRepricedExercisePrice" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardRepricedOptionsOutstandingRepricedExercisePrice" xlink:type="arc" order="24" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardRepricedOptionsOutstandingOriginalExercisePrice" xlink:label="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardRepricedOptionsOutstandingOriginalExercisePrice" xlink:title="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardRepricedOptionsOutstandingOriginalExercisePrice" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardRepricedOptionsOutstandingOriginalExercisePrice" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardRepricedOptionsOutstandingOriginalExercisePrice" xlink:type="arc" order="25" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationIncrementalCompensationCost" xlink:type="arc" order="26" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract" xlink:type="arc" order="27" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue" xlink:type="arc" order="28" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1" xlink:title="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1" xlink:type="arc" order="29" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:type="arc" order="30" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions" xlink:title="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions" xlink:type="arc" order="31" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:title="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:type="arc" order="32" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions" xlink:title="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions" xlink:type="arc" order="33" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" xlink:type="arc" order="34" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount" xlink:title="us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount" xlink:type="arc" order="35" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1" xlink:title="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1" xlink:type="arc" order="36" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageGrantDateFairValue" xlink:label="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageGrantDateFairValue" xlink:title="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageGrantDateFairValue" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageGrantDateFairValue" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageGrantDateFairValue" xlink:type="arc" order="37" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsUnitedStatesTreasuryBillTerm" xlink:label="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsUnitedStatesTreasuryBillTerm" xlink:title="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsUnitedStatesTreasuryBillTerm" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsUnitedStatesTreasuryBillTerm" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsUnitedStatesTreasuryBillTerm" xlink:type="arc" order="38" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit" xlink:title="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit" xlink:type="arc" order="39" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue" xlink:type="arc" order="40" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_EmployeesOfSeniorManagementMember" xlink:label="vimc_EmployeesOfSeniorManagementMember" xlink:title="vimc_EmployeesOfSeniorManagementMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:to="vimc_EmployeesOfSeniorManagementMember" xlink:title="Definition : us-gaap_TitleOfIndividualWithRelationshipToEntityDomain to vimc_EmployeesOfSeniorManagementMember" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ResignedSeniorExecutiveMember" xlink:label="vimc_ResignedSeniorExecutiveMember" xlink:title="vimc_ResignedSeniorExecutiveMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:to="vimc_ResignedSeniorExecutiveMember" xlink:title="Definition : us-gaap_TitleOfIndividualWithRelationshipToEntityDomain to vimc_ResignedSeniorExecutiveMember" xlink:type="arc" order="8001" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfAwardsVestingOnSatisfactoryEvaluationOnAnnualPerformanceReview" xlink:label="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfAwardsVestingOnSatisfactoryEvaluationOnAnnualPerformanceReview" xlink:title="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfAwardsVestingOnSatisfactoryEvaluationOnAnnualPerformanceReview" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfAwardsVestingOnSatisfactoryEvaluationOnAnnualPerformanceReview" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfAwardsVestingOnSatisfactoryEvaluationOnAnnualPerformanceReview" xlink:type="arc" order="8001" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationNumberOfEmployeesAffected" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationNumberOfEmployeesAffected" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationNumberOfEmployeesAffected" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationNumberOfEmployeesAffected" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardPlanModificationNumberOfEmployeesAffected" xlink:type="arc" order="8002" xbrldt:closed="false" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-sbcsosogtbeaned">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:title="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="us-gaap_AwardTypeAxis" xlink:title="us-gaap_AwardTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:title="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_AwardTypeAxis" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:title="Definition : us-gaap_AwardTypeAxis to us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_EmployeeAndNonemployeeStockOptionMember" xlink:label="vimc_EmployeeAndNonemployeeStockOptionMember" xlink:title="vimc_EmployeeAndNonemployeeStockOptionMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="vimc_EmployeeAndNonemployeeStockOptionMember" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain to vimc_EmployeeAndNonemployeeStockOptionMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:title="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward to us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="us-gaap_AwardTypeAxis" xlink:title="Definition : us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable to us-gaap_AwardTypeAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:title="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:to="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward to us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:title="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward to us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice" xlink:title="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward to us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice" xlink:title="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward to us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:type="arc" order="5" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:type="arc" order="5" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber" xlink:type="arc" order="6" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice" xlink:type="arc" order="6" xbrldt:closed="false" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-sbcsorsgtbeaned">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:title="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="us-gaap_AwardTypeAxis" xlink:title="us-gaap_AwardTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:title="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_AwardTypeAxis" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:title="Definition : us-gaap_AwardTypeAxis to us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RestrictedStockMember" xlink:label="us-gaap_RestrictedStockMember" xlink:title="us-gaap_RestrictedStockMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="us-gaap_RestrictedStockMember" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain to us-gaap_RestrictedStockMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="us-gaap_AwardTypeAxis" xlink:title="Definition : us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable to us-gaap_AwardTypeAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:type="arc" order="8001" xbrldt:closed="false" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-sbcsoiwrtood">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems" xlink:title="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable" xlink:label="us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable" xlink:title="us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems" xlink:to="us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable" xlink:title="Definition : us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems to us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" xlink:title="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:title="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" xlink:to="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:title="Definition : us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis to us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_RangeOfExercisePricesFromDollars0.00To0.38Member" xlink:label="vimc_RangeOfExercisePricesFromDollars0.00To0.38Member" xlink:title="vimc_RangeOfExercisePricesFromDollars0.00To0.38Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:to="vimc_RangeOfExercisePricesFromDollars0.00To0.38Member" xlink:title="Definition : us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain to vimc_RangeOfExercisePricesFromDollars0.00To0.38Member" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingAbstract" xlink:label="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingAbstract" xlink:title="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions" xlink:title="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingAbstract" xlink:to="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions" xlink:title="Definition : vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingAbstract to us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableAbstract" xlink:label="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableAbstract" xlink:title="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions" xlink:title="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableAbstract" xlink:to="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions" xlink:title="Definition : vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableAbstract to us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable" xlink:to="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" xlink:title="Definition : us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTable to us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_1" xlink:title="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis" xlink:to="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_1" xlink:title="Definition : us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeAxis to us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_RangeOfExercisePricesFromDollars0.40To0.63Member" xlink:label="vimc_RangeOfExercisePricesFromDollars0.40To0.63Member" xlink:title="vimc_RangeOfExercisePricesFromDollars0.40To0.63Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:to="vimc_RangeOfExercisePricesFromDollars0.40To0.63Member" xlink:title="Definition : us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain to vimc_RangeOfExercisePricesFromDollars0.40To0.63Member" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit" xlink:title="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems" xlink:to="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit" xlink:title="Definition : us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems to us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2" xlink:label="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2" xlink:title="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingAbstract" xlink:to="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2" xlink:title="Definition : vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingAbstract to us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2" xlink:label="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2" xlink:title="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableAbstract" xlink:to="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2" xlink:title="Definition : vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableAbstract to us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_RangeOfExercisePricesFromDollars0.68To0.97Member" xlink:label="vimc_RangeOfExercisePricesFromDollars0.68To0.97Member" xlink:title="vimc_RangeOfExercisePricesFromDollars0.68To0.97Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:to="vimc_RangeOfExercisePricesFromDollars0.68To0.97Member" xlink:title="Definition : us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain to vimc_RangeOfExercisePricesFromDollars0.68To0.97Member" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit" xlink:label="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit" xlink:title="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems" xlink:to="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit" xlink:title="Definition : us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems to us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1" xlink:label="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1" xlink:title="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingAbstract" xlink:to="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1" xlink:title="Definition : vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingAbstract to us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1" xlink:label="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1" xlink:title="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableAbstract" xlink:to="us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1" xlink:title="Definition : vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableAbstract to us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_RangeOfExercisePricesFromDollars1.00To1.39Member" xlink:label="vimc_RangeOfExercisePricesFromDollars1.00To1.39Member" xlink:title="vimc_RangeOfExercisePricesFromDollars1.00To1.39Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:to="vimc_RangeOfExercisePricesFromDollars1.00To1.39Member" xlink:title="Definition : us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain to vimc_RangeOfExercisePricesFromDollars1.00To1.39Member" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems" xlink:to="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingAbstract" xlink:title="Definition : us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems to vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingAbstract" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingAbstract" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:title="Definition : vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingAbstract to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" xlink:title="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableAbstract" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" xlink:title="Definition : vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableAbstract to us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_RangeOfExercisePricesFromDollars1.47To1.60Member" xlink:label="vimc_RangeOfExercisePricesFromDollars1.47To1.60Member" xlink:title="vimc_RangeOfExercisePricesFromDollars1.47To1.60Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:to="vimc_RangeOfExercisePricesFromDollars1.47To1.60Member" xlink:title="Definition : us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain to vimc_RangeOfExercisePricesFromDollars1.47To1.60Member" xlink:type="arc" order="5" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems" xlink:to="vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableAbstract" xlink:title="Definition : us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLineItems to vimc_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableAbstract" xlink:type="arc" order="5" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_RangeOfExercisePricesFromDollars1.73To2.10Member" xlink:label="vimc_RangeOfExercisePricesFromDollars1.73To2.10Member" xlink:title="vimc_RangeOfExercisePricesFromDollars1.73To2.10Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:to="vimc_RangeOfExercisePricesFromDollars1.73To2.10Member" xlink:title="Definition : us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain to vimc_RangeOfExercisePricesFromDollars1.73To2.10Member" xlink:type="arc" order="6" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_RangeOfExercisePricesFromDollars2.27To2.59Member" xlink:label="vimc_RangeOfExercisePricesFromDollars2.27To2.59Member" xlink:title="vimc_RangeOfExercisePricesFromDollars2.27To2.59Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:to="vimc_RangeOfExercisePricesFromDollars2.27To2.59Member" xlink:title="Definition : us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain to vimc_RangeOfExercisePricesFromDollars2.27To2.59Member" xlink:type="arc" order="7" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_RangeOfExercisePricesFromDollars2.75To2.82Member" xlink:label="vimc_RangeOfExercisePricesFromDollars2.75To2.82Member" xlink:title="vimc_RangeOfExercisePricesFromDollars2.75To2.82Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:to="vimc_RangeOfExercisePricesFromDollars2.75To2.82Member" xlink:title="Definition : us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain to vimc_RangeOfExercisePricesFromDollars2.75To2.82Member" xlink:type="arc" order="8" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_RangeOfExercisePricesFromDollars3.00To3.37Member" xlink:label="vimc_RangeOfExercisePricesFromDollars3.00To3.37Member" xlink:title="vimc_RangeOfExercisePricesFromDollars3.00To3.37Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:to="vimc_RangeOfExercisePricesFromDollars3.00To3.37Member" xlink:title="Definition : us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain to vimc_RangeOfExercisePricesFromDollars3.00To3.37Member" xlink:type="arc" order="9" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_RangeOfExercisePricesFromDollars4.22To4.55Member" xlink:label="vimc_RangeOfExercisePricesFromDollars4.22To4.55Member" xlink:title="vimc_RangeOfExercisePricesFromDollars4.22To4.55Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:to="vimc_RangeOfExercisePricesFromDollars4.22To4.55Member" xlink:title="Definition : us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain to vimc_RangeOfExercisePricesFromDollars4.22To4.55Member" xlink:type="arc" order="10" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_RangeOfExercisePricesFromDollars0.01To0.38Member" xlink:label="vimc_RangeOfExercisePricesFromDollars0.01To0.38Member" xlink:title="vimc_RangeOfExercisePricesFromDollars0.01To0.38Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain" xlink:to="vimc_RangeOfExercisePricesFromDollars0.01To0.38Member" xlink:title="Definition : us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain to vimc_RangeOfExercisePricesFromDollars0.01To0.38Member" xlink:type="arc" order="8000" xbrldt:closed="false" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-sbcsoafogd">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:title="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RangeAxis" xlink:label="us-gaap_RangeAxis" xlink:title="us-gaap_RangeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RangeMember" xlink:label="us-gaap_RangeMember" xlink:title="us-gaap_RangeMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_RangeAxis" xlink:to="us-gaap_RangeMember" xlink:title="Definition : us-gaap_RangeAxis to us-gaap_RangeMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="us-gaap_AwardTypeAxis" xlink:title="us-gaap_AwardTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:title="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_AwardTypeAxis" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:title="Definition : us-gaap_AwardTypeAxis to us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TitleOfIndividualAxis" xlink:label="us-gaap_TitleOfIndividualAxis" xlink:title="us-gaap_TitleOfIndividualAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:label="us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:title="us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_TitleOfIndividualAxis" xlink:to="us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:title="Definition : us-gaap_TitleOfIndividualAxis to us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VestingPeriodAxis" xlink:label="vimc_VestingPeriodAxis" xlink:title="vimc_VestingPeriodAxis" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VestingPeriodDomain" xlink:label="vimc_VestingPeriodDomain" xlink:title="vimc_VestingPeriodDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="vimc_VestingPeriodAxis" xlink:to="vimc_VestingPeriodDomain" xlink:title="Definition : vimc_VestingPeriodAxis to vimc_VestingPeriodDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MinimumMember" xlink:label="us-gaap_MinimumMember" xlink:title="us-gaap_MinimumMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RangeMember" xlink:to="us-gaap_MinimumMember" xlink:title="Definition : us-gaap_RangeMember to us-gaap_MinimumMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_EmployeeAndNonemployeeStockOptionMember" xlink:label="vimc_EmployeeAndNonemployeeStockOptionMember" xlink:title="vimc_EmployeeAndNonemployeeStockOptionMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="vimc_EmployeeAndNonemployeeStockOptionMember" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain to vimc_EmployeeAndNonemployeeStockOptionMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_EmployeeMember" xlink:label="vimc_EmployeeMember" xlink:title="vimc_EmployeeMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:to="vimc_EmployeeMember" xlink:title="Definition : us-gaap_TitleOfIndividualWithRelationshipToEntityDomain to vimc_EmployeeMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VestingPeriodFiveYearsMember" xlink:label="vimc_VestingPeriodFiveYearsMember" xlink:title="vimc_VestingPeriodFiveYearsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_VestingPeriodDomain" xlink:to="vimc_VestingPeriodFiveYearsMember" xlink:title="Definition : vimc_VestingPeriodDomain to vimc_VestingPeriodFiveYearsMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="us-gaap_AwardTypeAxis" xlink:title="Definition : us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable to us-gaap_AwardTypeAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MaximumMember" xlink:label="us-gaap_MaximumMember" xlink:title="us-gaap_MaximumMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RangeMember" xlink:to="us-gaap_MaximumMember" xlink:title="Definition : us-gaap_RangeMember to us-gaap_MaximumMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_NonEmployeeMember" xlink:label="vimc_NonEmployeeMember" xlink:title="vimc_NonEmployeeMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_TitleOfIndividualWithRelationshipToEntityDomain" xlink:to="vimc_NonEmployeeMember" xlink:title="Definition : us-gaap_TitleOfIndividualWithRelationshipToEntityDomain to vimc_NonEmployeeMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VestingPeriodOneYearMember" xlink:label="vimc_VestingPeriodOneYearMember" xlink:title="vimc_VestingPeriodOneYearMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_VestingPeriodDomain" xlink:to="vimc_VestingPeriodOneYearMember" xlink:title="Definition : vimc_VestingPeriodDomain to vimc_VestingPeriodOneYearMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="us-gaap_TitleOfIndividualAxis" xlink:title="Definition : us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable to us-gaap_TitleOfIndividualAxis" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="vimc_VestingPeriodAxis" xlink:title="Definition : us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable to vimc_VestingPeriodAxis" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:title="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract to us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="us-gaap_RangeAxis" xlink:title="Definition : us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable to us-gaap_RangeAxis" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:type="arc" order="5" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum" xlink:type="arc" order="6" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum" xlink:title="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum" xlink:title="Definition : us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract to us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum" xlink:type="arc" order="7" xbrldt:closed="false" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-tsoitbeacolid">
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_IncomeTaxesLineItems" xlink:label="vimc_IncomeTaxesLineItems" xlink:title="vimc_IncomeTaxesLineItems" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_IncomeTaxesTable" xlink:label="vimc_IncomeTaxesTable" xlink:title="vimc_IncomeTaxesTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="vimc_IncomeTaxesLineItems" xlink:to="vimc_IncomeTaxesTable" xlink:title="Definition : vimc_IncomeTaxesLineItems to vimc_IncomeTaxesTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_CountryAxis" xlink:label="vimc_CountryAxis" xlink:title="vimc_CountryAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_AllCountriesDomain" xlink:label="country_AllCountriesDomain" xlink:title="country_AllCountriesDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="vimc_CountryAxis" xlink:to="country_AllCountriesDomain" xlink:title="Definition : vimc_CountryAxis to country_AllCountriesDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ComponentsOfIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:label="us-gaap_ComponentsOfIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:title="us-gaap_ComponentsOfIncomeTaxExpenseBenefitContinuingOperationsAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:title="us-gaap_CurrentIncomeTaxExpenseBenefit" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ComponentsOfIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:to="us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:title="Definition : us-gaap_ComponentsOfIncomeTaxExpenseBenefitContinuingOperationsAbstract to us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestmentsAbstract" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestmentsAbstract" xlink:title="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestmentsAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:title="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestmentsAbstract" xlink:to="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:title="Definition : us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestmentsAbstract to us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="vimc_IncomeTaxesTable" xlink:to="vimc_CountryAxis" xlink:title="Definition : vimc_IncomeTaxesTable to vimc_CountryAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_IncomeTaxesLineItems" xlink:to="us-gaap_ComponentsOfIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:title="Definition : vimc_IncomeTaxesLineItems to us-gaap_ComponentsOfIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:title="us-gaap_DeferredIncomeTaxExpenseBenefit" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ComponentsOfIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:to="us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:title="Definition : us-gaap_ComponentsOfIncomeTaxExpenseBenefitContinuingOperationsAbstract to us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_US" xlink:label="country_US" xlink:title="country_US" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="country_AllCountriesDomain" xlink:to="country_US" xlink:title="Definition : country_AllCountriesDomain to country_US" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_IncomeTaxesLineItems" xlink:to="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestmentsAbstract" xlink:title="Definition : vimc_IncomeTaxesLineItems to us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestmentsAbstract" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="us-gaap_IncomeTaxExpenseBenefit" xlink:title="us-gaap_IncomeTaxExpenseBenefit" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ComponentsOfIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:to="us-gaap_IncomeTaxExpenseBenefit" xlink:title="Definition : us-gaap_ComponentsOfIncomeTaxExpenseBenefitContinuingOperationsAbstract to us-gaap_IncomeTaxExpenseBenefit" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_HK" xlink:label="country_HK" xlink:title="country_HK" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="country_AllCountriesDomain" xlink:to="country_HK" xlink:title="Definition : country_AllCountriesDomain to country_HK" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_KY" xlink:label="country_KY" xlink:title="country_KY" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="country_AllCountriesDomain" xlink:to="country_KY" xlink:title="Definition : country_AllCountriesDomain to country_KY" xlink:type="arc" order="5" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic" xlink:title="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestmentsAbstract" xlink:to="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic" xlink:title="Definition : us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestmentsAbstract to us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic" xlink:type="arc" use="optional" order="11" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign" xlink:title="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestmentsAbstract" xlink:to="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign" xlink:title="Definition : us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestmentsAbstract to us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign" xlink:type="arc" use="optional" order="21" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-titand">
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_IncomeTaxesLineItems" xlink:label="vimc_IncomeTaxesLineItems" xlink:title="vimc_IncomeTaxesLineItems" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_IncomeTaxesTable" xlink:label="vimc_IncomeTaxesTable" xlink:title="vimc_IncomeTaxesTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="vimc_IncomeTaxesLineItems" xlink:to="vimc_IncomeTaxesTable" xlink:title="Definition : vimc_IncomeTaxesLineItems to vimc_IncomeTaxesTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeTaxAuthorityAxis" xlink:label="us-gaap_IncomeTaxAuthorityAxis" xlink:title="us-gaap_IncomeTaxAuthorityAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeTaxAuthorityDomain" xlink:label="us-gaap_IncomeTaxAuthorityDomain" xlink:title="us-gaap_IncomeTaxAuthorityDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_IncomeTaxAuthorityAxis" xlink:to="us-gaap_IncomeTaxAuthorityDomain" xlink:title="Definition : us-gaap_IncomeTaxAuthorityAxis to us-gaap_IncomeTaxAuthorityDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RangeAxis" xlink:label="us-gaap_RangeAxis" xlink:title="us-gaap_RangeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RangeMember" xlink:label="us-gaap_RangeMember" xlink:title="us-gaap_RangeMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_RangeAxis" xlink:to="us-gaap_RangeMember" xlink:title="Definition : us-gaap_RangeAxis to us-gaap_RangeMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis" xlink:title="dei_LegalEntityAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain" xlink:title="dei_EntityDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" xlink:title="Definition : dei_LegalEntityAxis to dei_EntityDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VimicroCorporationMember" xlink:label="vimc_VimicroCorporationMember" xlink:title="vimc_VimicroCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_VimicroCorporationMember" xlink:title="Definition : dei_EntityDomain to vimc_VimicroCorporationMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MinimumMember" xlink:label="us-gaap_MinimumMember" xlink:title="us-gaap_MinimumMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RangeMember" xlink:to="us-gaap_MinimumMember" xlink:title="Definition : us-gaap_RangeMember to us-gaap_MinimumMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_CN" xlink:label="country_CN" xlink:title="country_CN" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeTaxAuthorityDomain" xlink:to="country_CN" xlink:title="Definition : us-gaap_IncomeTaxAuthorityDomain to country_CN" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_OperatingLossCarryforwardsExpirationAbstract" xlink:label="vimc_OperatingLossCarryforwardsExpirationAbstract" xlink:title="vimc_OperatingLossCarryforwardsExpirationAbstract" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_OperatingLossCarryforwardsExpirationYearOne" xlink:label="vimc_OperatingLossCarryforwardsExpirationYearOne" xlink:title="vimc_OperatingLossCarryforwardsExpirationYearOne" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_OperatingLossCarryforwardsExpirationAbstract" xlink:to="vimc_OperatingLossCarryforwardsExpirationYearOne" xlink:title="Definition : vimc_OperatingLossCarryforwardsExpirationAbstract to vimc_OperatingLossCarryforwardsExpirationYearOne" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="vimc_IncomeTaxesTable" xlink:to="us-gaap_IncomeTaxAuthorityAxis" xlink:title="Definition : vimc_IncomeTaxesTable to us-gaap_IncomeTaxAuthorityAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeTaxAuthorityDomain" xlink:label="us-gaap_IncomeTaxAuthorityDomain_1" xlink:title="us-gaap_IncomeTaxAuthorityDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_IncomeTaxAuthorityAxis" xlink:to="us-gaap_IncomeTaxAuthorityDomain_1" xlink:title="Definition : us-gaap_IncomeTaxAuthorityAxis to us-gaap_IncomeTaxAuthorityDomain" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ViewtelCorporationMember" xlink:label="vimc_ViewtelCorporationMember" xlink:title="vimc_ViewtelCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_ViewtelCorporationMember" xlink:title="Definition : dei_EntityDomain to vimc_ViewtelCorporationMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_IncomeTaxesWithholdingTaxOnPaymentOfDividend" xlink:label="vimc_IncomeTaxesWithholdingTaxOnPaymentOfDividend" xlink:title="vimc_IncomeTaxesWithholdingTaxOnPaymentOfDividend" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_IncomeTaxesLineItems" xlink:to="vimc_IncomeTaxesWithholdingTaxOnPaymentOfDividend" xlink:title="Definition : vimc_IncomeTaxesLineItems to vimc_IncomeTaxesWithholdingTaxOnPaymentOfDividend" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MaximumMember" xlink:label="us-gaap_MaximumMember" xlink:title="us-gaap_MaximumMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RangeMember" xlink:to="us-gaap_MaximumMember" xlink:title="Definition : us-gaap_RangeMember to us-gaap_MaximumMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_KY" xlink:label="country_KY" xlink:title="country_KY" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeTaxAuthorityDomain" xlink:to="country_KY" xlink:title="Definition : us-gaap_IncomeTaxAuthorityDomain to country_KY" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_OperatingLossCarryforwardsExpirationYearTwo" xlink:label="vimc_OperatingLossCarryforwardsExpirationYearTwo" xlink:title="vimc_OperatingLossCarryforwardsExpirationYearTwo" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_OperatingLossCarryforwardsExpirationAbstract" xlink:to="vimc_OperatingLossCarryforwardsExpirationYearTwo" xlink:title="Definition : vimc_OperatingLossCarryforwardsExpirationAbstract to vimc_OperatingLossCarryforwardsExpirationYearTwo" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="vimc_IncomeTaxesTable" xlink:to="dei_LegalEntityAxis" xlink:title="Definition : vimc_IncomeTaxesTable to dei_LegalEntityAxis" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VimicroElectronicsInternationalLimitedMember" xlink:label="vimc_VimicroElectronicsInternationalLimitedMember" xlink:title="vimc_VimicroElectronicsInternationalLimitedMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_VimicroElectronicsInternationalLimitedMember" xlink:title="Definition : dei_EntityDomain to vimc_VimicroElectronicsInternationalLimitedMember" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestmentsEligibleForPartialBenefit" xlink:label="vimc_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestmentsEligibleForPartialBenefit" xlink:title="vimc_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestmentsEligibleForPartialBenefit" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_IncomeTaxesLineItems" xlink:to="vimc_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestmentsEligibleForPartialBenefit" xlink:title="Definition : vimc_IncomeTaxesLineItems to vimc_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestmentsEligibleForPartialBenefit" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_US" xlink:label="country_US" xlink:title="country_US" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeTaxAuthorityDomain" xlink:to="country_US" xlink:title="Definition : us-gaap_IncomeTaxAuthorityDomain to country_US" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_OperatingLossCarryforwardsExpirationYearThree" xlink:label="vimc_OperatingLossCarryforwardsExpirationYearThree" xlink:title="vimc_OperatingLossCarryforwardsExpirationYearThree" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_OperatingLossCarryforwardsExpirationAbstract" xlink:to="vimc_OperatingLossCarryforwardsExpirationYearThree" xlink:title="Definition : vimc_OperatingLossCarryforwardsExpirationAbstract to vimc_OperatingLossCarryforwardsExpirationYearThree" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="vimc_IncomeTaxesTable" xlink:to="us-gaap_RangeAxis" xlink:title="Definition : vimc_IncomeTaxesTable to us-gaap_RangeAxis" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VimicroGuiyangMember" xlink:label="vimc_VimicroGuiyangMember" xlink:title="vimc_VimicroGuiyangMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_VimicroGuiyangMember" xlink:title="Definition : dei_EntityDomain to vimc_VimicroGuiyangMember" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_IncomeTaxGraduatedRate" xlink:label="vimc_IncomeTaxGraduatedRate" xlink:title="vimc_IncomeTaxGraduatedRate" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_IncomeTaxesLineItems" xlink:to="vimc_IncomeTaxGraduatedRate" xlink:title="Definition : vimc_IncomeTaxesLineItems to vimc_IncomeTaxGraduatedRate" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_HK" xlink:label="country_HK" xlink:title="country_HK" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeTaxAuthorityDomain" xlink:to="country_HK" xlink:title="Definition : us-gaap_IncomeTaxAuthorityDomain to country_HK" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_OperatingLossCarryforwardsExpirationYearFour" xlink:label="vimc_OperatingLossCarryforwardsExpirationYearFour" xlink:title="vimc_OperatingLossCarryforwardsExpirationYearFour" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_OperatingLossCarryforwardsExpirationAbstract" xlink:to="vimc_OperatingLossCarryforwardsExpirationYearFour" xlink:title="Definition : vimc_OperatingLossCarryforwardsExpirationAbstract to vimc_OperatingLossCarryforwardsExpirationYearFour" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VimicroGuangdongMember" xlink:label="vimc_VimicroGuangdongMember" xlink:title="vimc_VimicroGuangdongMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_VimicroGuangdongMember" xlink:title="Definition : dei_EntityDomain to vimc_VimicroGuangdongMember" xlink:type="arc" order="5" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestmentsEligibleForBenefit" xlink:label="vimc_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestmentsEligibleForBenefit" xlink:title="vimc_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestmentsEligibleForBenefit" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_IncomeTaxesLineItems" xlink:to="vimc_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestmentsEligibleForBenefit" xlink:title="Definition : vimc_IncomeTaxesLineItems to vimc_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestmentsEligibleForBenefit" xlink:type="arc" order="5" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_OperatingLossCarryforwardsExpirationYearFive" xlink:label="vimc_OperatingLossCarryforwardsExpirationYearFive" xlink:title="vimc_OperatingLossCarryforwardsExpirationYearFive" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_OperatingLossCarryforwardsExpirationAbstract" xlink:to="vimc_OperatingLossCarryforwardsExpirationYearFive" xlink:title="Definition : vimc_OperatingLossCarryforwardsExpirationAbstract to vimc_OperatingLossCarryforwardsExpirationYearFive" xlink:type="arc" order="5" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="us-gaap_IncomeTaxExpenseBenefit" xlink:title="us-gaap_IncomeTaxExpenseBenefit" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_IncomeTaxesLineItems" xlink:to="us-gaap_IncomeTaxExpenseBenefit" xlink:title="Definition : vimc_IncomeTaxesLineItems to us-gaap_IncomeTaxExpenseBenefit" xlink:type="arc" order="6" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:title="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_IncomeTaxesLineItems" xlink:to="us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:title="Definition : vimc_IncomeTaxesLineItems to us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:type="arc" order="7" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_TaxReductionPercentageInIncomeTaxRateAfterSpecificPeriod" xlink:label="vimc_TaxReductionPercentageInIncomeTaxRateAfterSpecificPeriod" xlink:title="vimc_TaxReductionPercentageInIncomeTaxRateAfterSpecificPeriod" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_IncomeTaxesLineItems" xlink:to="vimc_TaxReductionPercentageInIncomeTaxRateAfterSpecificPeriod" xlink:title="Definition : vimc_IncomeTaxesLineItems to vimc_TaxReductionPercentageInIncomeTaxRateAfterSpecificPeriod" xlink:type="arc" order="8" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_TaxReductionPeriodAfterSpecificPeriod" xlink:label="vimc_TaxReductionPeriodAfterSpecificPeriod" xlink:title="vimc_TaxReductionPeriodAfterSpecificPeriod" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_IncomeTaxesLineItems" xlink:to="vimc_TaxReductionPeriodAfterSpecificPeriod" xlink:title="Definition : vimc_IncomeTaxesLineItems to vimc_TaxReductionPeriodAfterSpecificPeriod" xlink:type="arc" order="9" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_WithholdingIncomeTaxRateOnRoyaltyIncomeForEntitiesEstablishedOutsideOfCountryOfIncomeTaxAuthority" xlink:label="vimc_WithholdingIncomeTaxRateOnRoyaltyIncomeForEntitiesEstablishedOutsideOfCountryOfIncomeTaxAuthority" xlink:title="vimc_WithholdingIncomeTaxRateOnRoyaltyIncomeForEntitiesEstablishedOutsideOfCountryOfIncomeTaxAuthority" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_IncomeTaxesLineItems" xlink:to="vimc_WithholdingIncomeTaxRateOnRoyaltyIncomeForEntitiesEstablishedOutsideOfCountryOfIncomeTaxAuthority" xlink:title="Definition : vimc_IncomeTaxesLineItems to vimc_WithholdingIncomeTaxRateOnRoyaltyIncomeForEntitiesEstablishedOutsideOfCountryOfIncomeTaxAuthority" xlink:type="arc" order="10" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_IncomeTaxPreferentialTaxRate" xlink:label="vimc_IncomeTaxPreferentialTaxRate" xlink:title="vimc_IncomeTaxPreferentialTaxRate" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_IncomeTaxesLineItems" xlink:to="vimc_IncomeTaxPreferentialTaxRate" xlink:title="Definition : vimc_IncomeTaxesLineItems to vimc_IncomeTaxPreferentialTaxRate" xlink:type="arc" order="11" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_IncomeTaxPeriodForWhichPreferentialTaxRateIsApplicable" xlink:label="vimc_IncomeTaxPeriodForWhichPreferentialTaxRateIsApplicable" xlink:title="vimc_IncomeTaxPeriodForWhichPreferentialTaxRateIsApplicable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_IncomeTaxesLineItems" xlink:to="vimc_IncomeTaxPeriodForWhichPreferentialTaxRateIsApplicable" xlink:title="Definition : vimc_IncomeTaxesLineItems to vimc_IncomeTaxPeriodForWhichPreferentialTaxRateIsApplicable" xlink:type="arc" order="12" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_WithholdingIncomeTaxRateOnDividendsFromForeignInvestedEnterprisesToForeignNonresidentEnterpriseInvestors" xlink:label="vimc_WithholdingIncomeTaxRateOnDividendsFromForeignInvestedEnterprisesToForeignNonresidentEnterpriseInvestors" xlink:title="vimc_WithholdingIncomeTaxRateOnDividendsFromForeignInvestedEnterprisesToForeignNonresidentEnterpriseInvestors" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_IncomeTaxesLineItems" xlink:to="vimc_WithholdingIncomeTaxRateOnDividendsFromForeignInvestedEnterprisesToForeignNonresidentEnterpriseInvestors" xlink:title="Definition : vimc_IncomeTaxesLineItems to vimc_WithholdingIncomeTaxRateOnDividendsFromForeignInvestedEnterprisesToForeignNonresidentEnterpriseInvestors" xlink:type="arc" order="13" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingLossCarryforwards" xlink:label="us-gaap_OperatingLossCarryforwards" xlink:title="us-gaap_OperatingLossCarryforwards" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_IncomeTaxesLineItems" xlink:to="us-gaap_OperatingLossCarryforwards" xlink:title="Definition : vimc_IncomeTaxesLineItems to us-gaap_OperatingLossCarryforwards" xlink:type="arc" order="8003" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_IncomeTaxesLineItems" xlink:to="vimc_OperatingLossCarryforwardsExpirationAbstract" xlink:title="Definition : vimc_IncomeTaxesLineItems to vimc_OperatingLossCarryforwardsExpirationAbstract" xlink:type="arc" order="8004" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount" xlink:label="us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount" xlink:title="us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_IncomeTaxesLineItems" xlink:to="us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount" xlink:title="Definition : vimc_IncomeTaxesLineItems to us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount" xlink:type="arc" order="8005" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_AccruedIncomeTaxesReversed" xlink:label="vimc_AccruedIncomeTaxesReversed" xlink:title="vimc_AccruedIncomeTaxesReversed" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_IncomeTaxesLineItems" xlink:to="vimc_AccruedIncomeTaxesReversed" xlink:title="Definition : vimc_IncomeTaxesLineItems to vimc_AccruedIncomeTaxesReversed" xlink:type="arc" order="8006" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_WithholdingIncomeTaxRateOnDividendsFromEntitiesRegisteredOutsidePRCToNonresidentShareholders" xlink:label="vimc_WithholdingIncomeTaxRateOnDividendsFromEntitiesRegisteredOutsidePRCToNonresidentShareholders" xlink:title="vimc_WithholdingIncomeTaxRateOnDividendsFromEntitiesRegisteredOutsidePRCToNonresidentShareholders" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_IncomeTaxesLineItems" xlink:to="vimc_WithholdingIncomeTaxRateOnDividendsFromEntitiesRegisteredOutsidePRCToNonresidentShareholders" xlink:title="Definition : vimc_IncomeTaxesLineItems to vimc_WithholdingIncomeTaxRateOnDividendsFromEntitiesRegisteredOutsidePRCToNonresidentShareholders" xlink:type="arc" order="8016" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_WithholdingIncomeTaxRateOnEarningsGeneratedAfterSpecifiedDate" xlink:label="vimc_WithholdingIncomeTaxRateOnEarningsGeneratedAfterSpecifiedDate" xlink:title="vimc_WithholdingIncomeTaxRateOnEarningsGeneratedAfterSpecifiedDate" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_IncomeTaxesLineItems" xlink:to="vimc_WithholdingIncomeTaxRateOnEarningsGeneratedAfterSpecifiedDate" xlink:title="Definition : vimc_IncomeTaxesLineItems to vimc_WithholdingIncomeTaxRateOnEarningsGeneratedAfterSpecifiedDate" xlink:type="arc" order="8026" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_IncomeTaxesPayableOnDistributionOfEarningsOfForeignInvestedEnterprises" xlink:label="vimc_IncomeTaxesPayableOnDistributionOfEarningsOfForeignInvestedEnterprises" xlink:title="vimc_IncomeTaxesPayableOnDistributionOfEarningsOfForeignInvestedEnterprises" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_IncomeTaxesLineItems" xlink:to="vimc_IncomeTaxesPayableOnDistributionOfEarningsOfForeignInvestedEnterprises" xlink:title="Definition : vimc_IncomeTaxesLineItems to vimc_IncomeTaxesPayableOnDistributionOfEarningsOfForeignInvestedEnterprises" xlink:type="arc" order="8036" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_IncomeTaxPercentageOfExtraDeductionOnQualifiedResearchAndDevelopmentExpenditures" xlink:label="vimc_IncomeTaxPercentageOfExtraDeductionOnQualifiedResearchAndDevelopmentExpenditures" xlink:title="vimc_IncomeTaxPercentageOfExtraDeductionOnQualifiedResearchAndDevelopmentExpenditures" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_IncomeTaxesLineItems" xlink:to="vimc_IncomeTaxPercentageOfExtraDeductionOnQualifiedResearchAndDevelopmentExpenditures" xlink:title="Definition : vimc_IncomeTaxesLineItems to vimc_IncomeTaxPercentageOfExtraDeductionOnQualifiedResearchAndDevelopmentExpenditures" xlink:type="arc" order="8046" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ComponentsOfIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:label="us-gaap_ComponentsOfIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:title="us-gaap_ComponentsOfIncomeTaxExpenseBenefitContinuingOperationsAbstract" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_IncomeTaxesLineItems" xlink:to="us-gaap_ComponentsOfIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:title="Definition : vimc_IncomeTaxesLineItems to us-gaap_ComponentsOfIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:type="arc" order="8056" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromIncomeTaxRefunds" xlink:label="us-gaap_ProceedsFromIncomeTaxRefunds" xlink:title="us-gaap_ProceedsFromIncomeTaxRefunds" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_IncomeTaxesLineItems" xlink:to="us-gaap_ProceedsFromIncomeTaxRefunds" xlink:title="Definition : vimc_IncomeTaxesLineItems to us-gaap_ProceedsFromIncomeTaxRefunds" xlink:type="arc" order="8066" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TaxPeriodAxis" xlink:label="us-gaap_TaxPeriodAxis" xlink:title="us-gaap_TaxPeriodAxis" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="vimc_IncomeTaxesTable" xlink:to="us-gaap_TaxPeriodAxis" xlink:title="Definition : vimc_IncomeTaxesTable to us-gaap_TaxPeriodAxis" xlink:type="arc" use="optional" order="13" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TaxPeriodDomain" xlink:label="us-gaap_TaxPeriodDomain" xlink:title="us-gaap_TaxPeriodDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_TaxPeriodAxis" xlink:to="us-gaap_TaxPeriodDomain" xlink:title="Definition : us-gaap_TaxPeriodAxis to us-gaap_TaxPeriodDomain" xlink:type="arc" use="optional" order="10" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_TaxYear2015Member" xlink:label="vimc_TaxYear2015Member" xlink:title="vimc_TaxYear2015Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_TaxPeriodDomain" xlink:to="vimc_TaxYear2015Member" xlink:title="Definition : us-gaap_TaxPeriodDomain to vimc_TaxYear2015Member" xlink:type="arc" use="optional" order="10" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_TaxYear2016Member" xlink:label="vimc_TaxYear2016Member" xlink:title="vimc_TaxYear2016Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_TaxPeriodDomain" xlink:to="vimc_TaxYear2016Member" xlink:title="Definition : us-gaap_TaxPeriodDomain to vimc_TaxYear2016Member" xlink:type="arc" use="optional" order="20" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_TaxYear2017Member" xlink:label="vimc_TaxYear2017Member" xlink:title="vimc_TaxYear2017Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_TaxPeriodDomain" xlink:to="vimc_TaxYear2017Member" xlink:title="Definition : us-gaap_TaxPeriodDomain to vimc_TaxYear2017Member" xlink:type="arc" use="optional" order="30" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_TaxYear2018Member" xlink:label="vimc_TaxYear2018Member" xlink:title="vimc_TaxYear2018Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_TaxPeriodDomain" xlink:to="vimc_TaxYear2018Member" xlink:title="Definition : us-gaap_TaxPeriodDomain to vimc_TaxYear2018Member" xlink:type="arc" use="optional" order="40" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_TaxYear2019Member" xlink:label="vimc_TaxYear2019Member" xlink:title="vimc_TaxYear2019Member" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_TaxPeriodDomain" xlink:to="vimc_TaxYear2019Member" xlink:title="Definition : us-gaap_TaxPeriodDomain to vimc_TaxYear2019Member" xlink:type="arc" use="optional" order="50" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TaxPeriodDomain" xlink:label="us-gaap_TaxPeriodDomain_1" xlink:title="us-gaap_TaxPeriodDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_TaxPeriodAxis" xlink:to="us-gaap_TaxPeriodDomain_1" xlink:title="Definition : us-gaap_TaxPeriodAxis to us-gaap_TaxPeriodDomain" xlink:type="arc" use="optional" order="20" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingLossCarryforwardsExpirationDate" xlink:label="us-gaap_OperatingLossCarryforwardsExpirationDate" xlink:title="us-gaap_OperatingLossCarryforwardsExpirationDate" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_IncomeTaxesLineItems" xlink:to="us-gaap_OperatingLossCarryforwardsExpirationDate" xlink:title="Definition : vimc_IncomeTaxesLineItems to us-gaap_OperatingLossCarryforwardsExpirationDate" xlink:type="arc" use="optional" order="16" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_IncomeTaxFavorableTaxRate" xlink:label="vimc_IncomeTaxFavorableTaxRate" xlink:title="vimc_IncomeTaxFavorableTaxRate" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_IncomeTaxesLineItems" xlink:to="vimc_IncomeTaxFavorableTaxRate" xlink:title="Definition : vimc_IncomeTaxesLineItems to vimc_IncomeTaxFavorableTaxRate" xlink:type="arc" use="optional" order="8076" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-titrnd">
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_IncomeTaxesLineItems" xlink:label="vimc_IncomeTaxesLineItems" xlink:title="vimc_IncomeTaxesLineItems" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_IncomeTaxesTable" xlink:label="vimc_IncomeTaxesTable" xlink:title="vimc_IncomeTaxesTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="vimc_IncomeTaxesLineItems" xlink:to="vimc_IncomeTaxesTable" xlink:title="Definition : vimc_IncomeTaxesLineItems to vimc_IncomeTaxesTable" xlink:type="arc" order="0.1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeTaxAuthorityAxis" xlink:label="us-gaap_IncomeTaxAuthorityAxis" xlink:title="us-gaap_IncomeTaxAuthorityAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeTaxAuthorityDomain" xlink:label="us-gaap_IncomeTaxAuthorityDomain" xlink:title="us-gaap_IncomeTaxAuthorityDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_IncomeTaxAuthorityAxis" xlink:to="us-gaap_IncomeTaxAuthorityDomain" xlink:title="Definition : us-gaap_IncomeTaxAuthorityAxis to us-gaap_IncomeTaxAuthorityDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis" xlink:title="dei_LegalEntityAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain" xlink:title="dei_EntityDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" xlink:title="Definition : dei_LegalEntityAxis to dei_EntityDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ValueAddedTaxAbstract" xlink:label="vimc_ValueAddedTaxAbstract" xlink:title="vimc_ValueAddedTaxAbstract" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_OutputValueAddedTaxRate" xlink:label="vimc_OutputValueAddedTaxRate" xlink:title="vimc_OutputValueAddedTaxRate" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_ValueAddedTaxAbstract" xlink:to="vimc_OutputValueAddedTaxRate" xlink:title="Definition : vimc_ValueAddedTaxAbstract to vimc_OutputValueAddedTaxRate" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_BusinessTaxAbstract" xlink:label="vimc_BusinessTaxAbstract" xlink:title="vimc_BusinessTaxAbstract" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ServiceIncomeBusinessTaxRate" xlink:label="vimc_ServiceIncomeBusinessTaxRate" xlink:title="vimc_ServiceIncomeBusinessTaxRate" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_BusinessTaxAbstract" xlink:to="vimc_ServiceIncomeBusinessTaxRate" xlink:title="Definition : vimc_BusinessTaxAbstract to vimc_ServiceIncomeBusinessTaxRate" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VimicroCorporationAndVimicroElectronicsInternationalLimitedMember" xlink:label="vimc_VimicroCorporationAndVimicroElectronicsInternationalLimitedMember" xlink:title="vimc_VimicroCorporationAndVimicroElectronicsInternationalLimitedMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_VimicroCorporationAndVimicroElectronicsInternationalLimitedMember" xlink:title="Definition : dei_EntityDomain to vimc_VimicroCorporationAndVimicroElectronicsInternationalLimitedMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_CN" xlink:label="country_CN" xlink:title="country_CN" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeTaxAuthorityDomain" xlink:to="country_CN" xlink:title="Definition : us-gaap_IncomeTaxAuthorityDomain to country_CN" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="vimc_IncomeTaxesTable" xlink:to="us-gaap_IncomeTaxAuthorityAxis" xlink:title="Definition : vimc_IncomeTaxesTable to us-gaap_IncomeTaxAuthorityAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_InputValueAddedTaxRate" xlink:label="vimc_InputValueAddedTaxRate" xlink:title="vimc_InputValueAddedTaxRate" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_ValueAddedTaxAbstract" xlink:to="vimc_InputValueAddedTaxRate" xlink:title="Definition : vimc_ValueAddedTaxAbstract to vimc_InputValueAddedTaxRate" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="vimc_IncomeTaxesTable" xlink:to="dei_LegalEntityAxis" xlink:title="Definition : vimc_IncomeTaxesTable to dei_LegalEntityAxis" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ValueAddedTaxRate" xlink:label="vimc_ValueAddedTaxRate" xlink:title="vimc_ValueAddedTaxRate" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_ValueAddedTaxAbstract" xlink:to="vimc_ValueAddedTaxRate" xlink:title="Definition : vimc_ValueAddedTaxAbstract to vimc_ValueAddedTaxRate" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ValueAddedTaxWithholdRate" xlink:label="vimc_ValueAddedTaxWithholdRate" xlink:title="vimc_ValueAddedTaxWithholdRate" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_ValueAddedTaxAbstract" xlink:to="vimc_ValueAddedTaxWithholdRate" xlink:title="Definition : vimc_ValueAddedTaxAbstract to vimc_ValueAddedTaxWithholdRate" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes" xlink:label="us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes" xlink:title="us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_IncomeTaxesLineItems" xlink:to="us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes" xlink:title="Definition : vimc_IncomeTaxesLineItems to us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes" xlink:type="arc" order="5" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense" xlink:title="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_IncomeTaxesLineItems" xlink:to="us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense" xlink:title="Definition : vimc_IncomeTaxesLineItems to us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense" xlink:type="arc" order="6" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_IncomeTaxesLineItems" xlink:to="vimc_ValueAddedTaxAbstract" xlink:title="Definition : vimc_IncomeTaxesLineItems to vimc_ValueAddedTaxAbstract" xlink:type="arc" order="7" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_IncomeTaxesLineItems" xlink:to="vimc_BusinessTaxAbstract" xlink:title="Definition : vimc_IncomeTaxesLineItems to vimc_BusinessTaxAbstract" xlink:type="arc" order="8" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_US" xlink:label="country_US" xlink:title="country_US" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeTaxAuthorityDomain" xlink:to="country_US" xlink:title="Definition : us-gaap_IncomeTaxAuthorityDomain to country_US" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingLossCarryforwardsValuationAllowance" xlink:label="us-gaap_OperatingLossCarryforwardsValuationAllowance" xlink:title="us-gaap_OperatingLossCarryforwardsValuationAllowance" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_IncomeTaxesLineItems" xlink:to="us-gaap_OperatingLossCarryforwardsValuationAllowance" xlink:title="Definition : vimc_IncomeTaxesLineItems to us-gaap_OperatingLossCarryforwardsValuationAllowance" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VimicroElectronicsInternationalLimitedMember" xlink:label="vimc_VimicroElectronicsInternationalLimitedMember" xlink:title="vimc_VimicroElectronicsInternationalLimitedMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_VimicroElectronicsInternationalLimitedMember" xlink:title="Definition : dei_EntityDomain to vimc_VimicroElectronicsInternationalLimitedMember" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DeferredTaxAssetsLiabilitiesNet" xlink:label="us-gaap_DeferredTaxAssetsLiabilitiesNet" xlink:title="us-gaap_DeferredTaxAssetsLiabilitiesNet" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_IncomeTaxesLineItems" xlink:to="us-gaap_DeferredTaxAssetsLiabilitiesNet" xlink:title="Definition : vimc_IncomeTaxesLineItems to us-gaap_DeferredTaxAssetsLiabilitiesNet" xlink:type="arc" order="8001" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_HK" xlink:label="country_HK" xlink:title="country_HK" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncomeTaxAuthorityDomain" xlink:to="country_HK" xlink:title="Definition : us-gaap_IncomeTaxAuthorityDomain to country_HK" xlink:type="arc" order="8001" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ViewtelCorporationMember" xlink:label="vimc_ViewtelCorporationMember" xlink:title="vimc_ViewtelCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_ViewtelCorporationMember" xlink:title="Definition : dei_EntityDomain to vimc_ViewtelCorporationMember" xlink:type="arc" order="8001" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ValuationAllowanceDeferredTaxAssetChangeInAmountRecognizedForDisposalsGroup" xlink:label="vimc_ValuationAllowanceDeferredTaxAssetChangeInAmountRecognizedForDisposalsGroup" xlink:title="vimc_ValuationAllowanceDeferredTaxAssetChangeInAmountRecognizedForDisposalsGroup" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_IncomeTaxesLineItems" xlink:to="vimc_ValuationAllowanceDeferredTaxAssetChangeInAmountRecognizedForDisposalsGroup" xlink:title="Definition : vimc_IncomeTaxesLineItems to vimc_ValuationAllowanceDeferredTaxAssetChangeInAmountRecognizedForDisposalsGroup" xlink:type="arc" order="8002" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VimicroCorporationAndVimicroElectronicsCorporationMember" xlink:label="vimc_VimicroCorporationAndVimicroElectronicsCorporationMember" xlink:title="vimc_VimicroCorporationAndVimicroElectronicsCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_VimicroCorporationAndVimicroElectronicsCorporationMember" xlink:title="Definition : dei_EntityDomain to vimc_VimicroCorporationAndVimicroElectronicsCorporationMember" xlink:type="arc" order="8002" xbrldt:closed="false" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-rptnd">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RelatedPartyTransactionLineItems" xlink:label="us-gaap_RelatedPartyTransactionLineItems" xlink:title="us-gaap_RelatedPartyTransactionLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:label="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:title="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:title="Definition : us-gaap_RelatedPartyTransactionLineItems to us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:type="arc" order="0.1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:label="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:title="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:label="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:title="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:to="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis to us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:title="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:title="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:title="Definition : us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis to us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:title="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="us-gaap_RelatedPartyDomain" xlink:title="us-gaap_RelatedPartyDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:to="us-gaap_RelatedPartyDomain" xlink:title="Definition : us-gaap_RelatedPartyTransactionsByRelatedPartyAxis to us-gaap_RelatedPartyDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="us-gaap_SubsequentEventTypeAxis" xlink:title="us-gaap_SubsequentEventTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="us-gaap_SubsequentEventTypeDomain" xlink:title="us-gaap_SubsequentEventTypeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_SubsequentEventTypeAxis" xlink:to="us-gaap_SubsequentEventTypeDomain" xlink:title="Definition : us-gaap_SubsequentEventTypeAxis to us-gaap_SubsequentEventTypeDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis" xlink:title="dei_LegalEntityAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain" xlink:title="dei_EntityDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" xlink:title="Definition : dei_LegalEntityAxis to dei_EntityDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VimicroCorporationMember" xlink:label="vimc_VimicroCorporationMember" xlink:title="vimc_VimicroCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_VimicroCorporationMember" xlink:title="Definition : dei_EntityDomain to vimc_VimicroCorporationMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_TianshiVimicroCorporationMember" xlink:label="vimc_TianshiVimicroCorporationMember" xlink:title="vimc_TianshiVimicroCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="vimc_TianshiVimicroCorporationMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to vimc_TianshiVimicroCorporationMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CostMethodInvestments" xlink:label="us-gaap_CostMethodInvestments" xlink:title="us-gaap_CostMethodInvestments" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="us-gaap_CostMethodInvestments" xlink:title="Definition : us-gaap_RelatedPartyTransactionLineItems to us-gaap_CostMethodInvestments" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SubsequentEventMember" xlink:label="us-gaap_SubsequentEventMember" xlink:title="us-gaap_SubsequentEventMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventTypeDomain" xlink:to="us-gaap_SubsequentEventMember" xlink:title="Definition : us-gaap_SubsequentEventTypeDomain to us-gaap_SubsequentEventMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_UseRightsMember" xlink:label="us-gaap_UseRightsMember" xlink:title="us-gaap_UseRightsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="us-gaap_UseRightsMember" xlink:title="Definition : us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain to us-gaap_UseRightsMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_WuxiVimicroCorporationMember" xlink:label="vimc_WuxiVimicroCorporationMember" xlink:title="vimc_WuxiVimicroCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:to="vimc_WuxiVimicroCorporationMember" xlink:title="Definition : us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain to vimc_WuxiVimicroCorporationMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:to="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:title="Definition : us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable to us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VisiondigiTechnologyCorporationMember" xlink:label="vimc_VisiondigiTechnologyCorporationMember" xlink:title="vimc_VisiondigiTechnologyCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_VisiondigiTechnologyCorporationMember" xlink:title="Definition : dei_EntityDomain to vimc_VisiondigiTechnologyCorporationMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VimicroManagementFoundationShenzhenCorporationMember" xlink:label="vimc_VimicroManagementFoundationShenzhenCorporationMember" xlink:title="vimc_VimicroManagementFoundationShenzhenCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:to="vimc_VimicroManagementFoundationShenzhenCorporationMember" xlink:title="Definition : us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain to vimc_VimicroManagementFoundationShenzhenCorporationMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates" xlink:label="us-gaap_ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates" xlink:title="us-gaap_ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="us-gaap_ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates" xlink:title="Definition : us-gaap_RelatedPartyTransactionLineItems to us-gaap_ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="vimc_WuxiVimicroCorporationMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to vimc_WuxiVimicroCorporationMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:to="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:title="Definition : us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable to us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_VimicroManagementFoundationShenzhenCorporationMember" xlink:title="Definition : dei_EntityDomain to vimc_VimicroManagementFoundationShenzhenCorporationMember" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_DisposalGroupIncludingDiscontinuedOperationReceivableFromRelatedParty" xlink:label="vimc_DisposalGroupIncludingDiscontinuedOperationReceivableFromRelatedParty" xlink:title="vimc_DisposalGroupIncludingDiscontinuedOperationReceivableFromRelatedParty" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="vimc_DisposalGroupIncludingDiscontinuedOperationReceivableFromRelatedParty" xlink:title="Definition : us-gaap_RelatedPartyTransactionLineItems to vimc_DisposalGroupIncludingDiscontinuedOperationReceivableFromRelatedParty" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_QingdaoVimicroCorporationMember" xlink:label="vimc_QingdaoVimicroCorporationMember" xlink:title="vimc_QingdaoVimicroCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="vimc_QingdaoVimicroCorporationMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to vimc_QingdaoVimicroCorporationMember" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:to="dei_LegalEntityAxis" xlink:title="Definition : us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable to dei_LegalEntityAxis" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_AllowanceForDoubtfulAccountsReceivableFromRelatedParty" xlink:label="vimc_AllowanceForDoubtfulAccountsReceivableFromRelatedParty" xlink:title="vimc_AllowanceForDoubtfulAccountsReceivableFromRelatedParty" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="vimc_AllowanceForDoubtfulAccountsReceivableFromRelatedParty" xlink:title="Definition : us-gaap_RelatedPartyTransactionLineItems to vimc_AllowanceForDoubtfulAccountsReceivableFromRelatedParty" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_BeijingZhongxingTianshiConsultingCompanyMember" xlink:label="vimc_BeijingZhongxingTianshiConsultingCompanyMember" xlink:title="vimc_BeijingZhongxingTianshiConsultingCompanyMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="vimc_BeijingZhongxingTianshiConsultingCompanyMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to vimc_BeijingZhongxingTianshiConsultingCompanyMember" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:to="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:title="Definition : us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable to us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_NingboSunnyOpotechCorporationLimitedMember" xlink:label="vimc_NingboSunnyOpotechCorporationLimitedMember" xlink:title="vimc_NingboSunnyOpotechCorporationLimitedMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="vimc_NingboSunnyOpotechCorporationLimitedMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to vimc_NingboSunnyOpotechCorporationLimitedMember" xlink:type="arc" order="5" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:to="us-gaap_SubsequentEventTypeAxis" xlink:title="Definition : us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable to us-gaap_SubsequentEventTypeAxis" xlink:type="arc" order="5" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_StateOwnedAssetManagementCorporationMember" xlink:label="vimc_StateOwnedAssetManagementCorporationMember" xlink:title="vimc_StateOwnedAssetManagementCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="vimc_StateOwnedAssetManagementCorporationMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to vimc_StateOwnedAssetManagementCorporationMember" xlink:type="arc" order="6" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ZhongtianxinTechnologyCoLtdMember" xlink:label="vimc_ZhongtianxinTechnologyCoLtdMember" xlink:title="vimc_ZhongtianxinTechnologyCoLtdMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="vimc_ZhongtianxinTechnologyCoLtdMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to vimc_ZhongtianxinTechnologyCoLtdMember" xlink:type="arc" order="7" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="vimc_VisiondigiTechnologyCorporationMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to vimc_VisiondigiTechnologyCorporationMember" xlink:type="arc" order="8" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VimicroManagementZhongxingTianshiInvestmentCorporationMember" xlink:label="vimc_VimicroManagementZhongxingTianshiInvestmentCorporationMember" xlink:title="vimc_VimicroManagementZhongxingTianshiInvestmentCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="vimc_VimicroManagementZhongxingTianshiInvestmentCorporationMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to vimc_VimicroManagementZhongxingTianshiInvestmentCorporationMember" xlink:type="arc" order="9" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_IndividualNoncontrollingShareholdersOfVisiondigiMember" xlink:label="vimc_IndividualNoncontrollingShareholdersOfVisiondigiMember" xlink:title="vimc_IndividualNoncontrollingShareholdersOfVisiondigiMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="vimc_IndividualNoncontrollingShareholdersOfVisiondigiMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to vimc_IndividualNoncontrollingShareholdersOfVisiondigiMember" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ZhongxinyingcaiMember" xlink:label="vimc_ZhongxinyingcaiMember" xlink:title="vimc_ZhongxinyingcaiMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="vimc_ZhongxinyingcaiMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to vimc_ZhongxinyingcaiMember" xlink:type="arc" order="8001" xbrldt:closed="false" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-rptsogtwrpd">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RelatedPartyTransactionLineItems" xlink:label="us-gaap_RelatedPartyTransactionLineItems" xlink:title="us-gaap_RelatedPartyTransactionLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:label="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:title="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:title="Definition : us-gaap_RelatedPartyTransactionLineItems to us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:type="arc" order="0.1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:label="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:title="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:label="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:title="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:to="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis to us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:title="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="us-gaap_RelatedPartyDomain" xlink:title="us-gaap_RelatedPartyDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:to="us-gaap_RelatedPartyDomain" xlink:title="Definition : us-gaap_RelatedPartyTransactionsByRelatedPartyAxis to us-gaap_RelatedPartyDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis" xlink:title="dei_LegalEntityAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain" xlink:title="dei_EntityDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" xlink:title="Definition : dei_LegalEntityAxis to dei_EntityDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VimicroCorporationMember" xlink:label="vimc_VimicroCorporationMember" xlink:title="vimc_VimicroCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_VimicroCorporationMember" xlink:title="Definition : dei_EntityDomain to vimc_VimicroCorporationMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_OwnershipInterestPercentage" xlink:label="vimc_OwnershipInterestPercentage" xlink:title="vimc_OwnershipInterestPercentage" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="vimc_OwnershipInterestPercentage" xlink:title="Definition : us-gaap_RelatedPartyTransactionLineItems to vimc_OwnershipInterestPercentage" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_WuxiVimicroCorporationMember" xlink:label="vimc_WuxiVimicroCorporationMember" xlink:title="vimc_WuxiVimicroCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:to="vimc_WuxiVimicroCorporationMember" xlink:title="Definition : us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain to vimc_WuxiVimicroCorporationMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_QingdaoVimicroCorporationMember" xlink:label="vimc_QingdaoVimicroCorporationMember" xlink:title="vimc_QingdaoVimicroCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="vimc_QingdaoVimicroCorporationMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to vimc_QingdaoVimicroCorporationMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:to="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:title="Definition : us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable to us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_CostMethodInvestmentOwnershipPercentage" xlink:label="vimc_CostMethodInvestmentOwnershipPercentage" xlink:title="vimc_CostMethodInvestmentOwnershipPercentage" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="vimc_CostMethodInvestmentOwnershipPercentage" xlink:title="Definition : us-gaap_RelatedPartyTransactionLineItems to vimc_CostMethodInvestmentOwnershipPercentage" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ZhongtianxinTechnologyCoLtdMember" xlink:label="vimc_ZhongtianxinTechnologyCoLtdMember" xlink:title="vimc_ZhongtianxinTechnologyCoLtdMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="vimc_ZhongtianxinTechnologyCoLtdMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to vimc_ZhongtianxinTechnologyCoLtdMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:to="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:title="Definition : us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable to us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VisiondigiTechnologyCorporationMember" xlink:label="vimc_VisiondigiTechnologyCorporationMember" xlink:title="vimc_VisiondigiTechnologyCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="vimc_VisiondigiTechnologyCorporationMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to vimc_VisiondigiTechnologyCorporationMember" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_DiscontinuedOperationPercentageOfOwnershipInterestSold" xlink:label="vimc_DiscontinuedOperationPercentageOfOwnershipInterestSold" xlink:title="vimc_DiscontinuedOperationPercentageOfOwnershipInterestSold" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="vimc_DiscontinuedOperationPercentageOfOwnershipInterestSold" xlink:title="Definition : us-gaap_RelatedPartyTransactionLineItems to vimc_DiscontinuedOperationPercentageOfOwnershipInterestSold" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:to="dei_LegalEntityAxis" xlink:title="Definition : us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable to dei_LegalEntityAxis" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="vimc_WuxiVimicroCorporationMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to vimc_WuxiVimicroCorporationMember" xlink:type="arc" order="13" xbrldt:closed="false" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-rptsorptd">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RelatedPartyTransactionLineItems" xlink:label="us-gaap_RelatedPartyTransactionLineItems" xlink:title="us-gaap_RelatedPartyTransactionLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:label="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:title="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:title="Definition : us-gaap_RelatedPartyTransactionLineItems to us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:type="arc" order="0.1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:title="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="us-gaap_RelatedPartyDomain" xlink:title="us-gaap_RelatedPartyDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:to="us-gaap_RelatedPartyDomain" xlink:title="Definition : us-gaap_RelatedPartyTransactionsByRelatedPartyAxis to us-gaap_RelatedPartyDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_TianshiVimicroCorporationMember" xlink:label="vimc_TianshiVimicroCorporationMember" xlink:title="vimc_TianshiVimicroCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="vimc_TianshiVimicroCorporationMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to vimc_TianshiVimicroCorporationMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RevenueFromRelatedParties" xlink:label="us-gaap_RevenueFromRelatedParties" xlink:title="us-gaap_RevenueFromRelatedParties" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="us-gaap_RevenueFromRelatedParties" xlink:title="Definition : us-gaap_RelatedPartyTransactionLineItems to us-gaap_RevenueFromRelatedParties" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:to="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:title="Definition : us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable to us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RelatedPartyTransactionPurchasesFromRelatedParty" xlink:label="us-gaap_RelatedPartyTransactionPurchasesFromRelatedParty" xlink:title="us-gaap_RelatedPartyTransactionPurchasesFromRelatedParty" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="us-gaap_RelatedPartyTransactionPurchasesFromRelatedParty" xlink:title="Definition : us-gaap_RelatedPartyTransactionLineItems to us-gaap_RelatedPartyTransactionPurchasesFromRelatedParty" xlink:type="arc" order="12" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_WuxiVimicroCorporationMember" xlink:label="vimc_WuxiVimicroCorporationMember" xlink:title="vimc_WuxiVimicroCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="vimc_WuxiVimicroCorporationMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to vimc_WuxiVimicroCorporationMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_QingdaoVimicroCorporationMember" xlink:label="vimc_QingdaoVimicroCorporationMember" xlink:title="vimc_QingdaoVimicroCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="vimc_QingdaoVimicroCorporationMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to vimc_QingdaoVimicroCorporationMember" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_NingboSunnyOpotechCorporationLimitedMember" xlink:label="vimc_NingboSunnyOpotechCorporationLimitedMember" xlink:title="vimc_NingboSunnyOpotechCorporationLimitedMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="vimc_NingboSunnyOpotechCorporationLimitedMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to vimc_NingboSunnyOpotechCorporationLimitedMember" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_StateOwnedAssetManagementCorporationMember" xlink:label="vimc_StateOwnedAssetManagementCorporationMember" xlink:title="vimc_StateOwnedAssetManagementCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="vimc_StateOwnedAssetManagementCorporationMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to vimc_StateOwnedAssetManagementCorporationMember" xlink:type="arc" order="5" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ZhongtianxinTechnologyCoLtdMember" xlink:label="vimc_ZhongtianxinTechnologyCoLtdMember" xlink:title="vimc_ZhongtianxinTechnologyCoLtdMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="vimc_ZhongtianxinTechnologyCoLtdMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to vimc_ZhongtianxinTechnologyCoLtdMember" xlink:type="arc" order="6" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RelatedPartyCosts" xlink:label="us-gaap_RelatedPartyCosts" xlink:title="us-gaap_RelatedPartyCosts" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="us-gaap_RelatedPartyCosts" xlink:title="Definition : us-gaap_RelatedPartyTransactionLineItems to us-gaap_RelatedPartyCosts" xlink:type="arc" use="optional" order="2" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-rptsorpbd">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RelatedPartyTransactionLineItems" xlink:label="us-gaap_RelatedPartyTransactionLineItems" xlink:title="us-gaap_RelatedPartyTransactionLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:label="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:title="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:title="Definition : us-gaap_RelatedPartyTransactionLineItems to us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:type="arc" order="0.1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:title="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="us-gaap_RelatedPartyDomain" xlink:title="us-gaap_RelatedPartyDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:to="us-gaap_RelatedPartyDomain" xlink:title="Definition : us-gaap_RelatedPartyTransactionsByRelatedPartyAxis to us-gaap_RelatedPartyDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_TianshiVimicroCorporationMember" xlink:label="vimc_TianshiVimicroCorporationMember" xlink:title="vimc_TianshiVimicroCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="vimc_TianshiVimicroCorporationMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to vimc_TianshiVimicroCorporationMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RelatedPartyTransactionDueFromToRelatedPartyAbstract" xlink:label="us-gaap_RelatedPartyTransactionDueFromToRelatedPartyAbstract" xlink:title="us-gaap_RelatedPartyTransactionDueFromToRelatedPartyAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DueFromRelatedPartiesCurrent" xlink:label="us-gaap_DueFromRelatedPartiesCurrent" xlink:title="us-gaap_DueFromRelatedPartiesCurrent" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionDueFromToRelatedPartyAbstract" xlink:to="us-gaap_DueFromRelatedPartiesCurrent" xlink:title="Definition : us-gaap_RelatedPartyTransactionDueFromToRelatedPartyAbstract to us-gaap_DueFromRelatedPartiesCurrent" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="us-gaap_RelatedPartyTransactionDueFromToRelatedPartyAbstract" xlink:title="Definition : us-gaap_RelatedPartyTransactionLineItems to us-gaap_RelatedPartyTransactionDueFromToRelatedPartyAbstract" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:to="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:title="Definition : us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable to us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DueToRelatedPartiesCurrent" xlink:label="us-gaap_DueToRelatedPartiesCurrent" xlink:title="us-gaap_DueToRelatedPartiesCurrent" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionDueFromToRelatedPartyAbstract" xlink:to="us-gaap_DueToRelatedPartiesCurrent" xlink:title="Definition : us-gaap_RelatedPartyTransactionDueFromToRelatedPartyAbstract to us-gaap_DueToRelatedPartiesCurrent" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_WuxiVimicroCorporationMember" xlink:label="vimc_WuxiVimicroCorporationMember" xlink:title="vimc_WuxiVimicroCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="vimc_WuxiVimicroCorporationMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to vimc_WuxiVimicroCorporationMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_QingdaoVimicroCorporationMember" xlink:label="vimc_QingdaoVimicroCorporationMember" xlink:title="vimc_QingdaoVimicroCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="vimc_QingdaoVimicroCorporationMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to vimc_QingdaoVimicroCorporationMember" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_BeijingZhongxingTianshiConsultingCompanyMember" xlink:label="vimc_BeijingZhongxingTianshiConsultingCompanyMember" xlink:title="vimc_BeijingZhongxingTianshiConsultingCompanyMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="vimc_BeijingZhongxingTianshiConsultingCompanyMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to vimc_BeijingZhongxingTianshiConsultingCompanyMember" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_StateOwnedAssetManagementCorporationMember" xlink:label="vimc_StateOwnedAssetManagementCorporationMember" xlink:title="vimc_StateOwnedAssetManagementCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="vimc_StateOwnedAssetManagementCorporationMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to vimc_StateOwnedAssetManagementCorporationMember" xlink:type="arc" order="5" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ZhongtianxinTechnologyCoLtdMember" xlink:label="vimc_ZhongtianxinTechnologyCoLtdMember" xlink:title="vimc_ZhongtianxinTechnologyCoLtdMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="vimc_ZhongtianxinTechnologyCoLtdMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to vimc_ZhongtianxinTechnologyCoLtdMember" xlink:type="arc" order="6" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VisiondigiTechnologyCorporationMember" xlink:label="vimc_VisiondigiTechnologyCorporationMember" xlink:title="vimc_VisiondigiTechnologyCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="vimc_VisiondigiTechnologyCorporationMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to vimc_VisiondigiTechnologyCorporationMember" xlink:type="arc" order="7" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VimicroManagementZhongxingTianshiInvestmentCorporationMember" xlink:label="vimc_VimicroManagementZhongxingTianshiInvestmentCorporationMember" xlink:title="vimc_VimicroManagementZhongxingTianshiInvestmentCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="vimc_VimicroManagementZhongxingTianshiInvestmentCorporationMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to vimc_VimicroManagementZhongxingTianshiInvestmentCorporationMember" xlink:type="arc" order="8" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_RepaymentFromRelatedPartiesToClearBalance" xlink:label="vimc_RepaymentFromRelatedPartiesToClearBalance" xlink:title="vimc_RepaymentFromRelatedPartiesToClearBalance" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="vimc_RepaymentFromRelatedPartiesToClearBalance" xlink:title="Definition : us-gaap_RelatedPartyTransactionLineItems to vimc_RepaymentFromRelatedPartiesToClearBalance" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_PaymentOfExpenseOnBehalfOfRelatedParty" xlink:label="vimc_PaymentOfExpenseOnBehalfOfRelatedParty" xlink:title="vimc_PaymentOfExpenseOnBehalfOfRelatedParty" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="vimc_PaymentOfExpenseOnBehalfOfRelatedParty" xlink:title="Definition : us-gaap_RelatedPartyTransactionLineItems to vimc_PaymentOfExpenseOnBehalfOfRelatedParty" xlink:type="arc" order="8001" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_PurchaseOnBehalfOfRelatedParty" xlink:label="vimc_PurchaseOnBehalfOfRelatedParty" xlink:title="vimc_PurchaseOnBehalfOfRelatedParty" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="vimc_PurchaseOnBehalfOfRelatedParty" xlink:title="Definition : us-gaap_RelatedPartyTransactionLineItems to vimc_PurchaseOnBehalfOfRelatedParty" xlink:type="arc" order="8002" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ProvisionOfLeaseToRelatedParty" xlink:label="vimc_ProvisionOfLeaseToRelatedParty" xlink:title="vimc_ProvisionOfLeaseToRelatedParty" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="vimc_ProvisionOfLeaseToRelatedParty" xlink:title="Definition : us-gaap_RelatedPartyTransactionLineItems to vimc_ProvisionOfLeaseToRelatedParty" xlink:type="arc" order="8003" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ReceiptOfAROnBehalfOfRelatedParty" xlink:label="vimc_ReceiptOfAROnBehalfOfRelatedParty" xlink:title="vimc_ReceiptOfAROnBehalfOfRelatedParty" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="vimc_ReceiptOfAROnBehalfOfRelatedParty" xlink:title="Definition : us-gaap_RelatedPartyTransactionLineItems to vimc_ReceiptOfAROnBehalfOfRelatedParty" xlink:type="arc" order="8004" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_TakeBackOfRentalDeposit" xlink:label="vimc_TakeBackOfRentalDeposit" xlink:title="vimc_TakeBackOfRentalDeposit" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="vimc_TakeBackOfRentalDeposit" xlink:title="Definition : us-gaap_RelatedPartyTransactionLineItems to vimc_TakeBackOfRentalDeposit" xlink:type="arc" order="8005" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_WithdrawRentalDeposit" xlink:label="vimc_WithdrawRentalDeposit" xlink:title="vimc_WithdrawRentalDeposit" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="vimc_WithdrawRentalDeposit" xlink:title="Definition : us-gaap_RelatedPartyTransactionLineItems to vimc_WithdrawRentalDeposit" xlink:type="arc" order="8006" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_PaymentMadeOnBehalfOfGroupByRelatedParty" xlink:label="vimc_PaymentMadeOnBehalfOfGroupByRelatedParty" xlink:title="vimc_PaymentMadeOnBehalfOfGroupByRelatedParty" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="vimc_PaymentMadeOnBehalfOfGroupByRelatedParty" xlink:title="Definition : us-gaap_RelatedPartyTransactionLineItems to vimc_PaymentMadeOnBehalfOfGroupByRelatedParty" xlink:type="arc" order="8007" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SalesReturnsGoods" xlink:label="us-gaap_SalesReturnsGoods" xlink:title="us-gaap_SalesReturnsGoods" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="us-gaap_SalesReturnsGoods" xlink:title="Definition : us-gaap_RelatedPartyTransactionLineItems to us-gaap_SalesReturnsGoods" xlink:type="arc" order="8008" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ReceiptOfInventoryFromRelatedPartyAsRepayment" xlink:label="vimc_ReceiptOfInventoryFromRelatedPartyAsRepayment" xlink:title="vimc_ReceiptOfInventoryFromRelatedPartyAsRepayment" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="vimc_ReceiptOfInventoryFromRelatedPartyAsRepayment" xlink:title="Definition : us-gaap_RelatedPartyTransactionLineItems to vimc_ReceiptOfInventoryFromRelatedPartyAsRepayment" xlink:type="arc" order="8009" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromRelatedPartyDebt" xlink:label="us-gaap_ProceedsFromRelatedPartyDebt" xlink:title="us-gaap_ProceedsFromRelatedPartyDebt" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="us-gaap_ProceedsFromRelatedPartyDebt" xlink:title="Definition : us-gaap_RelatedPartyTransactionLineItems to us-gaap_ProceedsFromRelatedPartyDebt" xlink:type="arc" order="8010" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromRepaymentsOfRelatedPartyDebt" xlink:label="us-gaap_ProceedsFromRepaymentsOfRelatedPartyDebt" xlink:title="us-gaap_ProceedsFromRepaymentsOfRelatedPartyDebt" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="us-gaap_ProceedsFromRepaymentsOfRelatedPartyDebt" xlink:title="Definition : us-gaap_RelatedPartyTransactionLineItems to us-gaap_ProceedsFromRepaymentsOfRelatedPartyDebt" xlink:type="arc" order="8011" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_PaymentsForServicesInConnectionWithSaleOfEquityInterestInDiscontinuedOperation" xlink:label="vimc_PaymentsForServicesInConnectionWithSaleOfEquityInterestInDiscontinuedOperation" xlink:title="vimc_PaymentsForServicesInConnectionWithSaleOfEquityInterestInDiscontinuedOperation" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="vimc_PaymentsForServicesInConnectionWithSaleOfEquityInterestInDiscontinuedOperation" xlink:title="Definition : us-gaap_RelatedPartyTransactionLineItems to vimc_PaymentsForServicesInConnectionWithSaleOfEquityInterestInDiscontinuedOperation" xlink:type="arc" order="8012" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_DisposalGroupIncludingDiscontinuedOperationOtherReceivableAndCash" xlink:label="vimc_DisposalGroupIncludingDiscontinuedOperationOtherReceivableAndCash" xlink:title="vimc_DisposalGroupIncludingDiscontinuedOperationOtherReceivableAndCash" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="vimc_DisposalGroupIncludingDiscontinuedOperationOtherReceivableAndCash" xlink:title="Definition : us-gaap_RelatedPartyTransactionLineItems to vimc_DisposalGroupIncludingDiscontinuedOperationOtherReceivableAndCash" xlink:type="arc" order="8013" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NotesPayableRelatedPartiesCurrentAndNoncurrent" xlink:label="us-gaap_NotesPayableRelatedPartiesCurrentAndNoncurrent" xlink:title="us-gaap_NotesPayableRelatedPartiesCurrentAndNoncurrent" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="us-gaap_NotesPayableRelatedPartiesCurrentAndNoncurrent" xlink:title="Definition : us-gaap_RelatedPartyTransactionLineItems to us-gaap_NotesPayableRelatedPartiesCurrentAndNoncurrent" xlink:type="arc" order="8014" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation" xlink:label="us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation" xlink:title="us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation" xlink:title="Definition : us-gaap_RelatedPartyTransactionLineItems to us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation" xlink:type="arc" order="8015" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents" xlink:title="us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents" xlink:title="Definition : us-gaap_RelatedPartyTransactionLineItems to us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents" xlink:type="arc" order="8016" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssetsCurrent" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssetsCurrent" xlink:title="us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssetsCurrent" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssetsCurrent" xlink:title="Definition : us-gaap_RelatedPartyTransactionLineItems to us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssetsCurrent" xlink:type="arc" order="8018" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal" xlink:label="us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal" xlink:title="us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyTransactionLineItems" xlink:to="us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal" xlink:title="Definition : us-gaap_RelatedPartyTransactionLineItems to us-gaap_EquityMethodInvestmentRealizedGainLossOnDisposal" xlink:type="arc" order="8028" xbrldt:closed="false" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-srsoibbsd">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="us-gaap_SegmentReportingInformationLineItems" xlink:title="us-gaap_SegmentReportingInformationLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:title="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_SegmentReportingInformationLineItems" xlink:to="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:title="Definition : us-gaap_SegmentReportingInformationLineItems to us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:type="arc" order="0.1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConsolidationItemsAxis" xlink:label="us-gaap_ConsolidationItemsAxis" xlink:title="us-gaap_ConsolidationItemsAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConsolidationItemsDomain" xlink:label="us-gaap_ConsolidationItemsDomain" xlink:title="us-gaap_ConsolidationItemsDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_ConsolidationItemsAxis" xlink:to="us-gaap_ConsolidationItemsDomain" xlink:title="Definition : us-gaap_ConsolidationItemsAxis to us-gaap_ConsolidationItemsDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MajorCustomersAxis" xlink:label="us-gaap_MajorCustomersAxis" xlink:title="us-gaap_MajorCustomersAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NameOfMajorCustomerDomain" xlink:label="us-gaap_NameOfMajorCustomerDomain" xlink:title="us-gaap_NameOfMajorCustomerDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_MajorCustomersAxis" xlink:to="us-gaap_NameOfMajorCustomerDomain" xlink:title="Definition : us-gaap_MajorCustomersAxis to us-gaap_NameOfMajorCustomerDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="us-gaap_StatementBusinessSegmentsAxis" xlink:title="us-gaap_StatementBusinessSegmentsAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SegmentDomain" xlink:label="us-gaap_SegmentDomain" xlink:title="us-gaap_SegmentDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_StatementBusinessSegmentsAxis" xlink:to="us-gaap_SegmentDomain" xlink:title="Definition : us-gaap_StatementBusinessSegmentsAxis to us-gaap_SegmentDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VideoProcessorBusinessMember" xlink:label="vimc_VideoProcessorBusinessMember" xlink:title="vimc_VideoProcessorBusinessMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SegmentDomain" xlink:to="vimc_VideoProcessorBusinessMember" xlink:title="Definition : us-gaap_SegmentDomain to vimc_VideoProcessorBusinessMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ExternalCustomersMember" xlink:label="vimc_ExternalCustomersMember" xlink:title="vimc_ExternalCustomersMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_NameOfMajorCustomerDomain" xlink:to="vimc_ExternalCustomersMember" xlink:title="Definition : us-gaap_NameOfMajorCustomerDomain to vimc_ExternalCustomersMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingSegmentsMember" xlink:label="us-gaap_OperatingSegmentsMember" xlink:title="us-gaap_OperatingSegmentsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ConsolidationItemsDomain" xlink:to="us-gaap_OperatingSegmentsMember" xlink:title="Definition : us-gaap_ConsolidationItemsDomain to us-gaap_OperatingSegmentsMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_Revenues" xlink:label="us-gaap_Revenues" xlink:title="us-gaap_Revenues" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SegmentReportingInformationLineItems" xlink:to="us-gaap_Revenues" xlink:title="Definition : us-gaap_SegmentReportingInformationLineItems to us-gaap_Revenues" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:to="us-gaap_ConsolidationItemsAxis" xlink:title="Definition : us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable to us-gaap_ConsolidationItemsAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConsolidationItemsDomain" xlink:label="us-gaap_ConsolidationItemsDomain_1" xlink:title="us-gaap_ConsolidationItemsDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_ConsolidationItemsAxis" xlink:to="us-gaap_ConsolidationItemsDomain_1" xlink:title="Definition : us-gaap_ConsolidationItemsAxis to us-gaap_ConsolidationItemsDomain" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VideoSurveillanceSolutionBusinessMember" xlink:label="vimc_VideoSurveillanceSolutionBusinessMember" xlink:title="vimc_VideoSurveillanceSolutionBusinessMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SegmentDomain" xlink:to="vimc_VideoSurveillanceSolutionBusinessMember" xlink:title="Definition : us-gaap_SegmentDomain to vimc_VideoSurveillanceSolutionBusinessMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CostOfRevenue" xlink:label="us-gaap_CostOfRevenue" xlink:title="us-gaap_CostOfRevenue" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SegmentReportingInformationLineItems" xlink:to="us-gaap_CostOfRevenue" xlink:title="Definition : us-gaap_SegmentReportingInformationLineItems to us-gaap_CostOfRevenue" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IntersegmentEliminationMember" xlink:label="us-gaap_IntersegmentEliminationMember" xlink:title="us-gaap_IntersegmentEliminationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ConsolidationItemsDomain" xlink:to="us-gaap_IntersegmentEliminationMember" xlink:title="Definition : us-gaap_ConsolidationItemsDomain to us-gaap_IntersegmentEliminationMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:to="us-gaap_StatementBusinessSegmentsAxis" xlink:title="Definition : us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable to us-gaap_StatementBusinessSegmentsAxis" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GrossProfit" xlink:label="us-gaap_GrossProfit" xlink:title="us-gaap_GrossProfit" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SegmentReportingInformationLineItems" xlink:to="us-gaap_GrossProfit" xlink:title="Definition : us-gaap_SegmentReportingInformationLineItems to us-gaap_GrossProfit" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:to="us-gaap_MajorCustomersAxis" xlink:title="Definition : us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable to us-gaap_MajorCustomersAxis" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingExpenses" xlink:label="us-gaap_OperatingExpenses" xlink:title="us-gaap_OperatingExpenses" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SegmentReportingInformationLineItems" xlink:to="us-gaap_OperatingExpenses" xlink:title="Definition : us-gaap_SegmentReportingInformationLineItems to us-gaap_OperatingExpenses" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="us-gaap_NonoperatingIncomeExpense" xlink:title="us-gaap_NonoperatingIncomeExpense" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SegmentReportingInformationLineItems" xlink:to="us-gaap_NonoperatingIncomeExpense" xlink:title="Definition : us-gaap_SegmentReportingInformationLineItems to us-gaap_NonoperatingIncomeExpense" xlink:type="arc" order="5" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:title="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SegmentReportingInformationLineItems" xlink:to="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:title="Definition : us-gaap_SegmentReportingInformationLineItems to us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:type="arc" order="6" xbrldt:closed="false" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-srsordbcodd">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems" xlink:label="us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems" xlink:title="us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable" xlink:label="us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable" xlink:title="us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems" xlink:to="us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable" xlink:title="Definition : us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems to us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable" xlink:type="arc" order="0.1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementGeographicalAxis" xlink:label="us-gaap_StatementGeographicalAxis" xlink:title="us-gaap_StatementGeographicalAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SegmentGeographicalDomain" xlink:label="us-gaap_SegmentGeographicalDomain" xlink:title="us-gaap_SegmentGeographicalDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_StatementGeographicalAxis" xlink:to="us-gaap_SegmentGeographicalDomain" xlink:title="Definition : us-gaap_StatementGeographicalAxis to us-gaap_SegmentGeographicalDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_CN" xlink:label="country_CN" xlink:title="country_CN" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SegmentGeographicalDomain" xlink:to="country_CN" xlink:title="Definition : us-gaap_SegmentGeographicalDomain to country_CN" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_Revenues" xlink:label="us-gaap_Revenues" xlink:title="us-gaap_Revenues" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems" xlink:to="us-gaap_Revenues" xlink:title="Definition : us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems to us-gaap_Revenues" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable" xlink:to="us-gaap_StatementGeographicalAxis" xlink:title="Definition : us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable to us-gaap_StatementGeographicalAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SegmentGeographicalDomain" xlink:label="us-gaap_SegmentGeographicalDomain_1" xlink:title="us-gaap_SegmentGeographicalDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_StatementGeographicalAxis" xlink:to="us-gaap_SegmentGeographicalDomain_1" xlink:title="Definition : us-gaap_StatementGeographicalAxis to us-gaap_SegmentGeographicalDomain" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_HK" xlink:label="country_HK" xlink:title="country_HK" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SegmentGeographicalDomain" xlink:to="country_HK" xlink:title="Definition : us-gaap_SegmentGeographicalDomain to country_HK" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_US" xlink:label="country_US" xlink:title="country_US" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SegmentGeographicalDomain" xlink:to="country_US" xlink:title="Definition : us-gaap_SegmentGeographicalDomain to country_US" xlink:type="arc" order="3" xbrldt:closed="false" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-srsoiodolabgrd">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems" xlink:label="us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems" xlink:title="us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable" xlink:label="us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable" xlink:title="us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems" xlink:to="us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable" xlink:title="Definition : us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems to us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable" xlink:type="arc" order="0.1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementGeographicalAxis" xlink:label="us-gaap_StatementGeographicalAxis" xlink:title="us-gaap_StatementGeographicalAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SegmentGeographicalDomain" xlink:label="us-gaap_SegmentGeographicalDomain" xlink:title="us-gaap_SegmentGeographicalDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_StatementGeographicalAxis" xlink:to="us-gaap_SegmentGeographicalDomain" xlink:title="Definition : us-gaap_StatementGeographicalAxis to us-gaap_SegmentGeographicalDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_CN" xlink:label="country_CN" xlink:title="country_CN" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SegmentGeographicalDomain" xlink:to="country_CN" xlink:title="Definition : us-gaap_SegmentGeographicalDomain to country_CN" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NoncurrentAssets" xlink:label="us-gaap_NoncurrentAssets" xlink:title="us-gaap_NoncurrentAssets" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems" xlink:to="us-gaap_NoncurrentAssets" xlink:title="Definition : us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems to us-gaap_NoncurrentAssets" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable" xlink:to="us-gaap_StatementGeographicalAxis" xlink:title="Definition : us-gaap_ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable to us-gaap_StatementGeographicalAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_HK" xlink:label="country_HK" xlink:title="country_HK" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SegmentGeographicalDomain" xlink:to="country_HK" xlink:title="Definition : us-gaap_SegmentGeographicalDomain to country_HK" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_US" xlink:label="country_US" xlink:title="country_US" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SegmentGeographicalDomain" xlink:to="country_US" xlink:title="Definition : us-gaap_SegmentGeographicalDomain to country_US" xlink:type="arc" order="3" xbrldt:closed="false" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-srsogrfepcd">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems" xlink:label="us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems" xlink:title="us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable" xlink:label="us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable" xlink:title="us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems" xlink:to="us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable" xlink:title="Definition : us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems to us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable" xlink:type="arc" order="0.1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConsolidationItemsAxis" xlink:label="us-gaap_ConsolidationItemsAxis" xlink:title="us-gaap_ConsolidationItemsAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ConsolidationItemsDomain" xlink:label="us-gaap_ConsolidationItemsDomain" xlink:title="us-gaap_ConsolidationItemsDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_ConsolidationItemsAxis" xlink:to="us-gaap_ConsolidationItemsDomain" xlink:title="Definition : us-gaap_ConsolidationItemsAxis to us-gaap_ConsolidationItemsDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProductOrServiceAxis" xlink:label="us-gaap_ProductOrServiceAxis" xlink:title="us-gaap_ProductOrServiceAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProductsAndServicesDomain" xlink:label="us-gaap_ProductsAndServicesDomain" xlink:title="us-gaap_ProductsAndServicesDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_ProductOrServiceAxis" xlink:to="us-gaap_ProductsAndServicesDomain" xlink:title="Definition : us-gaap_ProductOrServiceAxis to us-gaap_ProductsAndServicesDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="us-gaap_StatementBusinessSegmentsAxis" xlink:title="us-gaap_StatementBusinessSegmentsAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SegmentDomain" xlink:label="us-gaap_SegmentDomain" xlink:title="us-gaap_SegmentDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_StatementBusinessSegmentsAxis" xlink:to="us-gaap_SegmentDomain" xlink:title="Definition : us-gaap_StatementBusinessSegmentsAxis to us-gaap_SegmentDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_PCCameraProcessorMember" xlink:label="vimc_PCCameraProcessorMember" xlink:title="vimc_PCCameraProcessorMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ProductsAndServicesDomain" xlink:to="vimc_PCCameraProcessorMember" xlink:title="Definition : us-gaap_ProductsAndServicesDomain to vimc_PCCameraProcessorMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IntersegmentEliminationMember" xlink:label="us-gaap_IntersegmentEliminationMember" xlink:title="us-gaap_IntersegmentEliminationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ConsolidationItemsDomain" xlink:to="us-gaap_IntersegmentEliminationMember" xlink:title="Definition : us-gaap_ConsolidationItemsDomain to us-gaap_IntersegmentEliminationMember" xlink:type="arc" order="11" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingSegmentsMember" xlink:label="us-gaap_OperatingSegmentsMember" xlink:title="us-gaap_OperatingSegmentsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ConsolidationItemsDomain" xlink:to="us-gaap_OperatingSegmentsMember" xlink:title="Definition : us-gaap_ConsolidationItemsDomain to us-gaap_OperatingSegmentsMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_Revenues" xlink:label="us-gaap_Revenues" xlink:title="us-gaap_Revenues" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems" xlink:to="us-gaap_Revenues" xlink:title="Definition : us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems to us-gaap_Revenues" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable" xlink:to="us-gaap_ConsolidationItemsAxis" xlink:title="Definition : us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable to us-gaap_ConsolidationItemsAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProductsAndServicesDomain" xlink:label="us-gaap_ProductsAndServicesDomain_1" xlink:title="us-gaap_ProductsAndServicesDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_ProductOrServiceAxis" xlink:to="us-gaap_ProductsAndServicesDomain_1" xlink:title="Definition : us-gaap_ProductOrServiceAxis to us-gaap_ProductsAndServicesDomain" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_SurveillanceProcessorMember" xlink:label="vimc_SurveillanceProcessorMember" xlink:title="vimc_SurveillanceProcessorMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ProductsAndServicesDomain" xlink:to="vimc_SurveillanceProcessorMember" xlink:title="Definition : us-gaap_ProductsAndServicesDomain to vimc_SurveillanceProcessorMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VideoProcessorBusinessMember" xlink:label="vimc_VideoProcessorBusinessMember" xlink:title="vimc_VideoProcessorBusinessMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SegmentDomain" xlink:to="vimc_VideoProcessorBusinessMember" xlink:title="Definition : us-gaap_SegmentDomain to vimc_VideoProcessorBusinessMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable" xlink:to="us-gaap_StatementBusinessSegmentsAxis" xlink:title="Definition : us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable to us-gaap_StatementBusinessSegmentsAxis" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_OtherProductsMember" xlink:label="vimc_OtherProductsMember" xlink:title="vimc_OtherProductsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ProductsAndServicesDomain" xlink:to="vimc_OtherProductsMember" xlink:title="Definition : us-gaap_ProductsAndServicesDomain to vimc_OtherProductsMember" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VideoSurveillanceSolutionBusinessMember" xlink:label="vimc_VideoSurveillanceSolutionBusinessMember" xlink:title="vimc_VideoSurveillanceSolutionBusinessMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SegmentDomain" xlink:to="vimc_VideoSurveillanceSolutionBusinessMember" xlink:title="Definition : us-gaap_SegmentDomain to vimc_VideoSurveillanceSolutionBusinessMember" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable" xlink:to="us-gaap_ProductOrServiceAxis" xlink:title="Definition : us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable to us-gaap_ProductOrServiceAxis" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_MultimediaProcessorsMember" xlink:label="vimc_MultimediaProcessorsMember" xlink:title="vimc_MultimediaProcessorsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SegmentDomain" xlink:to="vimc_MultimediaProcessorsMember" xlink:title="Definition : us-gaap_SegmentDomain to vimc_MultimediaProcessorsMember" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_PCCameraMultimediaProductsMember" xlink:label="vimc_PCCameraMultimediaProductsMember" xlink:title="vimc_PCCameraMultimediaProductsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ProductsAndServicesDomain" xlink:to="vimc_PCCameraMultimediaProductsMember" xlink:title="Definition : us-gaap_ProductsAndServicesDomain to vimc_PCCameraMultimediaProductsMember" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_SurveillanceAndSecurityProductsMember" xlink:label="vimc_SurveillanceAndSecurityProductsMember" xlink:title="vimc_SurveillanceAndSecurityProductsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SegmentDomain" xlink:to="vimc_SurveillanceAndSecurityProductsMember" xlink:title="Definition : us-gaap_SegmentDomain to vimc_SurveillanceAndSecurityProductsMember" xlink:type="arc" order="8001" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ImageSensorsMember" xlink:label="vimc_ImageSensorsMember" xlink:title="vimc_ImageSensorsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ProductsAndServicesDomain" xlink:to="vimc_ImageSensorsMember" xlink:title="Definition : us-gaap_ProductsAndServicesDomain to vimc_ImageSensorsMember" xlink:type="arc" order="8001" xbrldt:closed="false" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-aocid">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems" xlink:title="us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossTable" xlink:title="us-gaap_AccumulatedOtherComprehensiveIncomeLossTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems" xlink:to="us-gaap_AccumulatedOtherComprehensiveIncomeLossTable" xlink:title="Definition : us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems to us-gaap_AccumulatedOtherComprehensiveIncomeLossTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="us-gaap_StatementEquityComponentsAxis" xlink:title="us-gaap_StatementEquityComponentsAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="us-gaap_EquityComponentDomain" xlink:title="us-gaap_EquityComponentDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_StatementEquityComponentsAxis" xlink:to="us-gaap_EquityComponentDomain" xlink:title="Definition : us-gaap_StatementEquityComponentsAxis to us-gaap_EquityComponentDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember" xlink:label="us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember" xlink:title="us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_EquityComponentDomain" xlink:to="us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember" xlink:title="Definition : us-gaap_EquityComponentDomain to us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_AccumulatedOtherComprehensiveIncomeLossRollForward" xlink:label="vimc_AccumulatedOtherComprehensiveIncomeLossRollForward" xlink:title="vimc_AccumulatedOtherComprehensiveIncomeLossRollForward" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:title="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_AccumulatedOtherComprehensiveIncomeLossRollForward" xlink:to="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:title="Definition : vimc_AccumulatedOtherComprehensiveIncomeLossRollForward to us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_AccumulatedOtherComprehensiveIncomeLossTable" xlink:to="us-gaap_StatementEquityComponentsAxis" xlink:title="Definition : us-gaap_AccumulatedOtherComprehensiveIncomeLossTable to us-gaap_StatementEquityComponentsAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccumulatedTranslationAdjustmentMember" xlink:label="us-gaap_AccumulatedTranslationAdjustmentMember" xlink:title="us-gaap_AccumulatedTranslationAdjustmentMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_EquityComponentDomain" xlink:to="us-gaap_AccumulatedTranslationAdjustmentMember" xlink:title="Definition : us-gaap_EquityComponentDomain to us-gaap_AccumulatedTranslationAdjustmentMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems" xlink:to="vimc_AccumulatedOtherComprehensiveIncomeLossRollForward" xlink:title="Definition : us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems to vimc_AccumulatedOtherComprehensiveIncomeLossRollForward" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax" xlink:label="us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax" xlink:title="us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_AccumulatedOtherComprehensiveIncomeLossRollForward" xlink:to="us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax" xlink:title="Definition : vimc_AccumulatedOtherComprehensiveIncomeLossRollForward to us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:title="us-gaap_AccumulatedOtherComprehensiveIncomeMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_EquityComponentDomain" xlink:to="us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:title="Definition : us-gaap_EquityComponentDomain to us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" xlink:title="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_AccumulatedOtherComprehensiveIncomeLossRollForward" xlink:to="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" xlink:title="Definition : vimc_AccumulatedOtherComprehensiveIncomeLossRollForward to us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax" xlink:label="us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax" xlink:title="us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_AccumulatedOtherComprehensiveIncomeLossRollForward" xlink:to="us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax" xlink:title="Definition : vimc_AccumulatedOtherComprehensiveIncomeLossRollForward to us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax" xlink:label="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax" xlink:title="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_AccumulatedOtherComprehensiveIncomeLossRollForward" xlink:to="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax" xlink:title="Definition : vimc_AccumulatedOtherComprehensiveIncomeLossRollForward to us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax" xlink:type="arc" order="5" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_OtherComprehensiveIncomeDeferredIncomeReceivedFromDisposalOfSubsidiaryArisingDuringPeriodNetOfTax" xlink:label="vimc_OtherComprehensiveIncomeDeferredIncomeReceivedFromDisposalOfSubsidiaryArisingDuringPeriodNetOfTax" xlink:title="vimc_OtherComprehensiveIncomeDeferredIncomeReceivedFromDisposalOfSubsidiaryArisingDuringPeriodNetOfTax" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="vimc_AccumulatedOtherComprehensiveIncomeLossRollForward" xlink:to="vimc_OtherComprehensiveIncomeDeferredIncomeReceivedFromDisposalOfSubsidiaryArisingDuringPeriodNetOfTax" xlink:title="Definition : vimc_AccumulatedOtherComprehensiveIncomeLossRollForward to vimc_OtherComprehensiveIncomeDeferredIncomeReceivedFromDisposalOfSubsidiaryArisingDuringPeriodNetOfTax" xlink:type="arc" order="6" xbrldt:closed="false" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-nisocincid">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MinorityInterestLineItems" xlink:label="us-gaap_MinorityInterestLineItems" xlink:title="us-gaap_MinorityInterestLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MinorityInterestTable" xlink:label="us-gaap_MinorityInterestTable" xlink:title="us-gaap_MinorityInterestTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_MinorityInterestLineItems" xlink:to="us-gaap_MinorityInterestTable" xlink:title="Definition : us-gaap_MinorityInterestLineItems to us-gaap_MinorityInterestTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="us-gaap_StatementEquityComponentsAxis" xlink:title="us-gaap_StatementEquityComponentsAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="us-gaap_EquityComponentDomain" xlink:title="us-gaap_EquityComponentDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_StatementEquityComponentsAxis" xlink:to="us-gaap_EquityComponentDomain" xlink:title="Definition : us-gaap_StatementEquityComponentsAxis to us-gaap_EquityComponentDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NoncontrollingInterestMember" xlink:label="us-gaap_NoncontrollingInterestMember" xlink:title="us-gaap_NoncontrollingInterestMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_EquityComponentDomain" xlink:to="us-gaap_NoncontrollingInterestMember" xlink:title="Definition : us-gaap_EquityComponentDomain to us-gaap_NoncontrollingInterestMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MovementInMinorityInterestRollForward" xlink:label="us-gaap_MovementInMinorityInterestRollForward" xlink:title="us-gaap_MovementInMinorityInterestRollForward" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MinorityInterest" xlink:label="us-gaap_MinorityInterest" xlink:title="us-gaap_MinorityInterest" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_MovementInMinorityInterestRollForward" xlink:to="us-gaap_MinorityInterest" xlink:title="Definition : us-gaap_MovementInMinorityInterestRollForward to us-gaap_MinorityInterest" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis" xlink:title="dei_LegalEntityAxis" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_MinorityInterestTable" xlink:to="dei_LegalEntityAxis" xlink:title="Definition : us-gaap_MinorityInterestTable to dei_LegalEntityAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_MinorityInterestLineItems" xlink:to="us-gaap_MovementInMinorityInterestRollForward" xlink:title="Definition : us-gaap_MinorityInterestLineItems to us-gaap_MovementInMinorityInterestRollForward" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance" xlink:label="us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance" xlink:title="us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_MovementInMinorityInterestRollForward" xlink:to="us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance" xlink:title="Definition : us-gaap_MovementInMinorityInterestRollForward to us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:title="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_MinorityInterestTable" xlink:to="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:title="Definition : us-gaap_MinorityInterestTable to us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:title="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_MovementInMinorityInterestRollForward" xlink:to="us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:title="Definition : us-gaap_MovementInMinorityInterestRollForward to us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_MinorityInterestTable" xlink:to="us-gaap_StatementEquityComponentsAxis" xlink:title="Definition : us-gaap_MinorityInterestTable to us-gaap_StatementEquityComponentsAxis" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest" xlink:label="us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest" xlink:title="us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_MovementInMinorityInterestRollForward" xlink:to="us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest" xlink:title="Definition : us-gaap_MovementInMinorityInterestRollForward to us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest" xlink:label="us-gaap_NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest" xlink:title="us-gaap_NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_MovementInMinorityInterestRollForward" xlink:to="us-gaap_NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest" xlink:title="Definition : us-gaap_MovementInMinorityInterestRollForward to us-gaap_NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest" xlink:type="arc" order="5" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain" xlink:title="dei_EntityDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" xlink:title="Definition : dei_LegalEntityAxis to dei_EntityDomain" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="us-gaap_RelatedPartyDomain" xlink:title="us-gaap_RelatedPartyDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:to="us-gaap_RelatedPartyDomain" xlink:title="Definition : us-gaap_RelatedPartyTransactionsByRelatedPartyAxis to us-gaap_RelatedPartyDomain" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VimicroCorporationMember" xlink:label="vimc_VimicroCorporationMember" xlink:title="vimc_VimicroCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_VimicroCorporationMember" xlink:title="Definition : dei_EntityDomain to vimc_VimicroCorporationMember" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_StateOwnedAssetManagementCorporationMember" xlink:label="vimc_StateOwnedAssetManagementCorporationMember" xlink:title="vimc_StateOwnedAssetManagementCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="vimc_StateOwnedAssetManagementCorporationMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to vimc_StateOwnedAssetManagementCorporationMember" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InvestorMember" xlink:label="us-gaap_InvestorMember" xlink:title="us-gaap_InvestorMember" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_IndividualNoncontrollingShareholdersOfVisiondigiMember" xlink:label="vimc_IndividualNoncontrollingShareholdersOfVisiondigiMember" xlink:title="vimc_IndividualNoncontrollingShareholdersOfVisiondigiMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestorMember" xlink:to="vimc_IndividualNoncontrollingShareholdersOfVisiondigiMember" xlink:title="Definition : us-gaap_InvestorMember to vimc_IndividualNoncontrollingShareholdersOfVisiondigiMember" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VimicroElectronicsCorporationMember" xlink:label="vimc_VimicroElectronicsCorporationMember" xlink:title="vimc_VimicroElectronicsCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_VimicroElectronicsCorporationMember" xlink:title="Definition : dei_EntityDomain to vimc_VimicroElectronicsCorporationMember" xlink:type="arc" order="8001" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="us-gaap_InvestorMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to us-gaap_InvestorMember" xlink:type="arc" order="8001" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_NingboSunnyOpotechCorporationLimitedMember" xlink:label="vimc_NingboSunnyOpotechCorporationLimitedMember" xlink:title="vimc_NingboSunnyOpotechCorporationLimitedMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestorMember" xlink:to="vimc_NingboSunnyOpotechCorporationLimitedMember" xlink:title="Definition : us-gaap_InvestorMember to vimc_NingboSunnyOpotechCorporationLimitedMember" xlink:type="arc" order="8001" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VimicroGuiyangMember" xlink:label="vimc_VimicroGuiyangMember" xlink:title="vimc_VimicroGuiyangMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_VimicroGuiyangMember" xlink:title="Definition : dei_EntityDomain to vimc_VimicroGuiyangMember" xlink:type="arc" order="8002" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_IndividualThirdPartyMember" xlink:label="vimc_IndividualThirdPartyMember" xlink:title="vimc_IndividualThirdPartyMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_InvestorMember" xlink:to="vimc_IndividualThirdPartyMember" xlink:title="Definition : us-gaap_InvestorMember to vimc_IndividualThirdPartyMember" xlink:type="arc" order="8002" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VisiondigiTechnologyCorporationMember" xlink:label="vimc_VisiondigiTechnologyCorporationMember" xlink:title="vimc_VisiondigiTechnologyCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_VisiondigiTechnologyCorporationMember" xlink:title="Definition : dei_EntityDomain to vimc_VisiondigiTechnologyCorporationMember" xlink:type="arc" order="8003" xbrldt:closed="false" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-cacolcppcaccnd">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationLineItems" xlink:label="us-gaap_UnrecordedUnconditionalPurchaseObligationLineItems" xlink:title="us-gaap_UnrecordedUnconditionalPurchaseObligationLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationTable" xlink:label="us-gaap_UnrecordedUnconditionalPurchaseObligationTable" xlink:title="us-gaap_UnrecordedUnconditionalPurchaseObligationTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_UnrecordedUnconditionalPurchaseObligationLineItems" xlink:to="us-gaap_UnrecordedUnconditionalPurchaseObligationTable" xlink:title="Definition : us-gaap_UnrecordedUnconditionalPurchaseObligationLineItems to us-gaap_UnrecordedUnconditionalPurchaseObligationTable" xlink:type="arc" order="0.1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis" xlink:label="us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis" xlink:title="us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain" xlink:label="us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain" xlink:title="us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis" xlink:to="us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain" xlink:title="Definition : us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis to us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InventoriesMember" xlink:label="us-gaap_InventoriesMember" xlink:title="us-gaap_InventoriesMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain" xlink:to="us-gaap_InventoriesMember" xlink:title="Definition : us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain to us-gaap_InventoriesMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary" xlink:label="us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary" xlink:title="us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_UnrecordedUnconditionalPurchaseObligationLineItems" xlink:to="us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary" xlink:title="Definition : us-gaap_UnrecordedUnconditionalPurchaseObligationLineItems to us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_UnrecordedUnconditionalPurchaseObligationTable" xlink:to="us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis" xlink:title="Definition : us-gaap_UnrecordedUnconditionalPurchaseObligationTable to us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain" xlink:label="us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain_1" xlink:title="us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis" xlink:to="us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain_1" xlink:title="Definition : us-gaap_UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchasedAxis to us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CapitalAdditionsMember" xlink:label="us-gaap_CapitalAdditionsMember" xlink:title="us-gaap_CapitalAdditionsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain" xlink:to="us-gaap_CapitalAdditionsMember" xlink:title="Definition : us-gaap_UnconditionalPurchaseObligationCategoryOfGoodsOrServicesAcquiredDomain to us-gaap_CapitalAdditionsMember" xlink:type="arc" order="2" xbrldt:closed="false" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-caccipnd">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:label="us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:title="us-gaap_FiniteLivedIntangibleAssetsLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:label="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:title="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:to="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:title="Definition : us-gaap_FiniteLivedIntangibleAssetsLineItems to us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis" xlink:title="dei_LegalEntityAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain" xlink:title="dei_EntityDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" xlink:title="Definition : dei_LegalEntityAxis to dei_EntityDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:title="us-gaap_PropertyPlantAndEquipmentByTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:title="us-gaap_PropertyPlantAndEquipmentTypeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:to="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:title="Definition : us-gaap_PropertyPlantAndEquipmentByTypeAxis to us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:title="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:title="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:title="Definition : us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis to us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VimicroElectronicsCorporationMember" xlink:label="vimc_VimicroElectronicsCorporationMember" xlink:title="vimc_VimicroElectronicsCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_VimicroElectronicsCorporationMember" xlink:title="Definition : dei_EntityDomain to vimc_VimicroElectronicsCorporationMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AssetUnderConstructionMember" xlink:label="us-gaap_AssetUnderConstructionMember" xlink:title="us-gaap_AssetUnderConstructionMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:to="us-gaap_AssetUnderConstructionMember" xlink:title="Definition : us-gaap_PropertyPlantAndEquipmentTypeDomain to us-gaap_AssetUnderConstructionMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_UseRightsMember" xlink:label="us-gaap_UseRightsMember" xlink:title="us-gaap_UseRightsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="us-gaap_UseRightsMember" xlink:title="Definition : us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain to us-gaap_UseRightsMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:to="dei_LegalEntityAxis" xlink:title="Definition : us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable to dei_LegalEntityAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VimicroTechnologyCorporationMember" xlink:label="vimc_VimicroTechnologyCorporationMember" xlink:title="vimc_VimicroTechnologyCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_VimicroTechnologyCorporationMember" xlink:title="Definition : dei_EntityDomain to vimc_VimicroTechnologyCorporationMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_FinitelivedIntangibleAssetsAcquired1" xlink:label="us-gaap_FinitelivedIntangibleAssetsAcquired1" xlink:title="us-gaap_FinitelivedIntangibleAssetsAcquired1" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:to="us-gaap_FinitelivedIntangibleAssetsAcquired1" xlink:title="Definition : us-gaap_FiniteLivedIntangibleAssetsLineItems to us-gaap_FinitelivedIntangibleAssetsAcquired1" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:to="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:title="Definition : us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable to us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VimicroCorporationMember" xlink:label="vimc_VimicroCorporationMember" xlink:title="vimc_VimicroCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_VimicroCorporationMember" xlink:title="Definition : dei_EntityDomain to vimc_VimicroCorporationMember" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AreaOfLand" xlink:label="us-gaap_AreaOfLand" xlink:title="us-gaap_AreaOfLand" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:to="us-gaap_AreaOfLand" xlink:title="Definition : us-gaap_FiniteLivedIntangibleAssetsLineItems to us-gaap_AreaOfLand" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:to="us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:title="Definition : us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable to us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_TransferOfPercentageOfConstructionAreaOfDevelopedPropertyToFormerHolder" xlink:label="vimc_TransferOfPercentageOfConstructionAreaOfDevelopedPropertyToFormerHolder" xlink:title="vimc_TransferOfPercentageOfConstructionAreaOfDevelopedPropertyToFormerHolder" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:to="vimc_TransferOfPercentageOfConstructionAreaOfDevelopedPropertyToFormerHolder" xlink:title="Definition : us-gaap_FiniteLivedIntangibleAssetsLineItems to vimc_TransferOfPercentageOfConstructionAreaOfDevelopedPropertyToFormerHolder" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_EstimatedCapitalExpendituresOfProject" xlink:label="vimc_EstimatedCapitalExpendituresOfProject" xlink:title="vimc_EstimatedCapitalExpendituresOfProject" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:to="vimc_EstimatedCapitalExpendituresOfProject" xlink:title="Definition : us-gaap_FiniteLivedIntangibleAssetsLineItems to vimc_EstimatedCapitalExpendituresOfProject" xlink:type="arc" order="5" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PropertyPlantAndEquipmentAdditions" xlink:label="us-gaap_PropertyPlantAndEquipmentAdditions" xlink:title="us-gaap_PropertyPlantAndEquipmentAdditions" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:to="us-gaap_PropertyPlantAndEquipmentAdditions" xlink:title="Definition : us-gaap_FiniteLivedIntangibleAssetsLineItems to us-gaap_PropertyPlantAndEquipmentAdditions" xlink:type="arc" order="6" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="us-gaap_SubsequentEventTypeDomain" xlink:title="us-gaap_SubsequentEventTypeDomain" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SubsequentEventMember" xlink:label="us-gaap_SubsequentEventMember" xlink:title="us-gaap_SubsequentEventMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventTypeDomain" xlink:to="us-gaap_SubsequentEventMember" xlink:title="Definition : us-gaap_SubsequentEventTypeDomain to us-gaap_SubsequentEventMember" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ChinaConstructionBankMember" xlink:label="vimc_ChinaConstructionBankMember" xlink:title="vimc_ChinaConstructionBankMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_ChinaConstructionBankMember" xlink:title="Definition : dei_EntityDomain to vimc_ChinaConstructionBankMember" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SecuredDebt" xlink:label="us-gaap_SecuredDebt" xlink:title="us-gaap_SecuredDebt" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:to="us-gaap_SecuredDebt" xlink:title="Definition : us-gaap_FiniteLivedIntangibleAssetsLineItems to us-gaap_SecuredDebt" xlink:type="arc" order="8011" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_JiangsuVimicroElectronicsLimitedMember" xlink:label="vimc_JiangsuVimicroElectronicsLimitedMember" xlink:title="vimc_JiangsuVimicroElectronicsLimitedMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_JiangsuVimicroElectronicsLimitedMember" xlink:title="Definition : dei_EntityDomain to vimc_JiangsuVimicroElectronicsLimitedMember" xlink:type="arc" order="8001" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_TermOfAssetBackedLoan" xlink:label="vimc_TermOfAssetBackedLoan" xlink:title="vimc_TermOfAssetBackedLoan" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:to="vimc_TermOfAssetBackedLoan" xlink:title="Definition : us-gaap_FiniteLivedIntangibleAssetsLineItems to vimc_TermOfAssetBackedLoan" xlink:type="arc" order="8021" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_PeriodForWhichGroupHadCommitmentsToFinanceConstructionOfProject" xlink:label="vimc_PeriodForWhichGroupHadCommitmentsToFinanceConstructionOfProject" xlink:title="vimc_PeriodForWhichGroupHadCommitmentsToFinanceConstructionOfProject" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:to="vimc_PeriodForWhichGroupHadCommitmentsToFinanceConstructionOfProject" xlink:title="Definition : us-gaap_FiniteLivedIntangibleAssetsLineItems to vimc_PeriodForWhichGroupHadCommitmentsToFinanceConstructionOfProject" xlink:type="arc" use="optional" order="8001" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_CommitmentsToFinanceConstructionOfProjectNotRecognizedInFinancialStatements" xlink:label="vimc_CommitmentsToFinanceConstructionOfProjectNotRecognizedInFinancialStatements" xlink:title="vimc_CommitmentsToFinanceConstructionOfProjectNotRecognizedInFinancialStatements" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:to="vimc_CommitmentsToFinanceConstructionOfProjectNotRecognizedInFinancialStatements" xlink:title="Definition : us-gaap_FiniteLivedIntangibleAssetsLineItems to vimc_CommitmentsToFinanceConstructionOfProjectNotRecognizedInFinancialStatements" xlink:type="arc" use="optional" order="8000" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-sed1">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SubsequentEventLineItems" xlink:label="us-gaap_SubsequentEventLineItems" xlink:title="us-gaap_SubsequentEventLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SubsequentEventTable" xlink:label="us-gaap_SubsequentEventTable" xlink:title="us-gaap_SubsequentEventTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_SubsequentEventTable" xlink:title="Definition : us-gaap_SubsequentEventLineItems to us-gaap_SubsequentEventTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TypeOfArrangementAxis" xlink:label="us-gaap_TypeOfArrangementAxis" xlink:title="us-gaap_TypeOfArrangementAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:label="us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:title="us-gaap_ArrangementsAndNonarrangementTransactionsMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_TypeOfArrangementAxis" xlink:to="us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:title="Definition : us-gaap_TypeOfArrangementAxis to us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SubsequentEventTypeAxis" xlink:label="us-gaap_SubsequentEventTypeAxis" xlink:title="us-gaap_SubsequentEventTypeAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="us-gaap_SubsequentEventTypeDomain" xlink:title="us-gaap_SubsequentEventTypeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_SubsequentEventTypeAxis" xlink:to="us-gaap_SubsequentEventTypeDomain" xlink:title="Definition : us-gaap_SubsequentEventTypeAxis to us-gaap_SubsequentEventTypeDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis" xlink:title="dei_LegalEntityAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain" xlink:title="dei_EntityDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" xlink:title="Definition : dei_LegalEntityAxis to dei_EntityDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:label="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:title="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RelatedPartyDomain" xlink:label="us-gaap_RelatedPartyDomain" xlink:title="us-gaap_RelatedPartyDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:to="us-gaap_RelatedPartyDomain" xlink:title="Definition : us-gaap_RelatedPartyTransactionsByRelatedPartyAxis to us-gaap_RelatedPartyDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_StockPurchaseAgreementWithZongyiMember" xlink:label="vimc_StockPurchaseAgreementWithZongyiMember" xlink:title="vimc_StockPurchaseAgreementWithZongyiMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:to="vimc_StockPurchaseAgreementWithZongyiMember" xlink:title="Definition : us-gaap_ArrangementsAndNonarrangementTransactionsMember to vimc_StockPurchaseAgreementWithZongyiMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SubsequentEventMember" xlink:label="us-gaap_SubsequentEventMember" xlink:title="us-gaap_SubsequentEventMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventTypeDomain" xlink:to="us-gaap_SubsequentEventMember" xlink:title="Definition : us-gaap_SubsequentEventTypeDomain to us-gaap_SubsequentEventMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VimicroManagementFoundationShenzhenCorporationMember" xlink:label="vimc_VimicroManagementFoundationShenzhenCorporationMember" xlink:title="vimc_VimicroManagementFoundationShenzhenCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_VimicroManagementFoundationShenzhenCorporationMember" xlink:title="Definition : dei_EntityDomain to vimc_VimicroManagementFoundationShenzhenCorporationMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_VimicroManagementZhongxingTianshiInvestmentCorporationMember" xlink:label="vimc_VimicroManagementZhongxingTianshiInvestmentCorporationMember" xlink:title="vimc_VimicroManagementZhongxingTianshiInvestmentCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="vimc_VimicroManagementZhongxingTianshiInvestmentCorporationMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to vimc_VimicroManagementZhongxingTianshiInvestmentCorporationMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_SubsequentEventTable" xlink:to="us-gaap_SubsequentEventTypeAxis" xlink:title="Definition : us-gaap_SubsequentEventTable to us-gaap_SubsequentEventTypeAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="us-gaap_SubsequentEventTypeDomain_1" xlink:title="us-gaap_SubsequentEventTypeDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_SubsequentEventTypeAxis" xlink:to="us-gaap_SubsequentEventTypeDomain_1" xlink:title="Definition : us-gaap_SubsequentEventTypeAxis to us-gaap_SubsequentEventTypeDomain" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_JiangsuInternationalEconomicTechnologyCooperationGroupCoLtdMember" xlink:label="vimc_JiangsuInternationalEconomicTechnologyCooperationGroupCoLtdMember" xlink:title="vimc_JiangsuInternationalEconomicTechnologyCooperationGroupCoLtdMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="vimc_JiangsuInternationalEconomicTechnologyCooperationGroupCoLtdMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to vimc_JiangsuInternationalEconomicTechnologyCooperationGroupCoLtdMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:label="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:title="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_SubsequentEventTable" xlink:to="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:title="Definition : us-gaap_SubsequentEventTable to us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:title="us-gaap_StockIssuedDuringPeriodValueNewIssues" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:title="Definition : us-gaap_SubsequentEventLineItems to us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_SubsequentEventTable" xlink:to="dei_LegalEntityAxis" xlink:title="Definition : us-gaap_SubsequentEventTable to dei_LegalEntityAxis" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SharesIssuedPricePerShare" xlink:label="us-gaap_SharesIssuedPricePerShare" xlink:title="us-gaap_SharesIssuedPricePerShare" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_SharesIssuedPricePerShare" xlink:title="Definition : us-gaap_SubsequentEventLineItems to us-gaap_SharesIssuedPricePerShare" xlink:type="arc" order="3.1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_SharesIssuedPricePerAmericanDepositoryReceipt" xlink:label="vimc_SharesIssuedPricePerAmericanDepositoryReceipt" xlink:title="vimc_SharesIssuedPricePerAmericanDepositoryReceipt" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="vimc_SharesIssuedPricePerAmericanDepositoryReceipt" xlink:title="Definition : us-gaap_SubsequentEventLineItems to vimc_SharesIssuedPricePerAmericanDepositoryReceipt" xlink:type="arc" order="3.2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_OrdinarySharesOfEntityThatPartyToAgreementWillHoldImmediatelyAfterClosingOfTransaction" xlink:label="vimc_OrdinarySharesOfEntityThatPartyToAgreementWillHoldImmediatelyAfterClosingOfTransaction" xlink:title="vimc_OrdinarySharesOfEntityThatPartyToAgreementWillHoldImmediatelyAfterClosingOfTransaction" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="vimc_OrdinarySharesOfEntityThatPartyToAgreementWillHoldImmediatelyAfterClosingOfTransaction" xlink:title="Definition : us-gaap_SubsequentEventLineItems to vimc_OrdinarySharesOfEntityThatPartyToAgreementWillHoldImmediatelyAfterClosingOfTransaction" xlink:type="arc" order="3.3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_EquityOwnershipPercentageOfEntityThatPartyToAgreementWillHoldImmediatelyAfterClosingOfTransaction" xlink:label="vimc_EquityOwnershipPercentageOfEntityThatPartyToAgreementWillHoldImmediatelyAfterClosingOfTransaction" xlink:title="vimc_EquityOwnershipPercentageOfEntityThatPartyToAgreementWillHoldImmediatelyAfterClosingOfTransaction" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="vimc_EquityOwnershipPercentageOfEntityThatPartyToAgreementWillHoldImmediatelyAfterClosingOfTransaction" xlink:title="Definition : us-gaap_SubsequentEventLineItems to vimc_EquityOwnershipPercentageOfEntityThatPartyToAgreementWillHoldImmediatelyAfterClosingOfTransaction" xlink:type="arc" order="3.4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_LockUpPeriodOfOrdinaryShares" xlink:label="vimc_LockUpPeriodOfOrdinaryShares" xlink:title="vimc_LockUpPeriodOfOrdinaryShares" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="vimc_LockUpPeriodOfOrdinaryShares" xlink:title="Definition : us-gaap_SubsequentEventLineItems to vimc_LockUpPeriodOfOrdinaryShares" xlink:type="arc" order="3.5" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ConstructionContractsConsideration" xlink:label="vimc_ConstructionContractsConsideration" xlink:title="vimc_ConstructionContractsConsideration" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="vimc_ConstructionContractsConsideration" xlink:title="Definition : us-gaap_SubsequentEventLineItems to vimc_ConstructionContractsConsideration" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_SubsequentEventTable" xlink:to="us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:title="Definition : us-gaap_SubsequentEventTable to us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ProgressPaymentAsPercentageOfPriceForCompletedPortionOfConstructionProject" xlink:label="vimc_ProgressPaymentAsPercentageOfPriceForCompletedPortionOfConstructionProject" xlink:title="vimc_ProgressPaymentAsPercentageOfPriceForCompletedPortionOfConstructionProject" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="vimc_ProgressPaymentAsPercentageOfPriceForCompletedPortionOfConstructionProject" xlink:title="Definition : us-gaap_SubsequentEventLineItems to vimc_ProgressPaymentAsPercentageOfPriceForCompletedPortionOfConstructionProject" xlink:type="arc" order="5" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CounterpartyNameAxis" xlink:label="us-gaap_CounterpartyNameAxis" xlink:title="us-gaap_CounterpartyNameAxis" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_SubsequentEventTable" xlink:to="us-gaap_CounterpartyNameAxis" xlink:title="Definition : us-gaap_SubsequentEventTable to us-gaap_CounterpartyNameAxis" xlink:type="arc" order="5" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_CompletionPercentageOfFinishingWorkAndInstallationConsideredForProgressPayment" xlink:label="vimc_CompletionPercentageOfFinishingWorkAndInstallationConsideredForProgressPayment" xlink:title="vimc_CompletionPercentageOfFinishingWorkAndInstallationConsideredForProgressPayment" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="vimc_CompletionPercentageOfFinishingWorkAndInstallationConsideredForProgressPayment" xlink:title="Definition : us-gaap_SubsequentEventLineItems to vimc_CompletionPercentageOfFinishingWorkAndInstallationConsideredForProgressPayment" xlink:type="arc" order="6" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_SubsequentEventTable" xlink:to="us-gaap_TypeOfArrangementAxis" xlink:title="Definition : us-gaap_SubsequentEventTable to us-gaap_TypeOfArrangementAxis" xlink:type="arc" order="6" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_PeriodForPaymentOfDifferenceBetweenSpecifiedPercentageOfApprovedConstructionPriceAndTotalAmountPaidThroughProgressPayments" xlink:label="vimc_PeriodForPaymentOfDifferenceBetweenSpecifiedPercentageOfApprovedConstructionPriceAndTotalAmountPaidThroughProgressPayments" xlink:title="vimc_PeriodForPaymentOfDifferenceBetweenSpecifiedPercentageOfApprovedConstructionPriceAndTotalAmountPaidThroughProgressPayments" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="vimc_PeriodForPaymentOfDifferenceBetweenSpecifiedPercentageOfApprovedConstructionPriceAndTotalAmountPaidThroughProgressPayments" xlink:title="Definition : us-gaap_SubsequentEventLineItems to vimc_PeriodForPaymentOfDifferenceBetweenSpecifiedPercentageOfApprovedConstructionPriceAndTotalAmountPaidThroughProgressPayments" xlink:type="arc" order="7" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_PercentageOfApprovedConstructionPriceConsideredForPaymentOfConstructionConsideration" xlink:label="vimc_PercentageOfApprovedConstructionPriceConsideredForPaymentOfConstructionConsideration" xlink:title="vimc_PercentageOfApprovedConstructionPriceConsideredForPaymentOfConstructionConsideration" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="vimc_PercentageOfApprovedConstructionPriceConsideredForPaymentOfConstructionConsideration" xlink:title="Definition : us-gaap_SubsequentEventLineItems to vimc_PercentageOfApprovedConstructionPriceConsideredForPaymentOfConstructionConsideration" xlink:type="arc" order="8" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_PercentageOfRemainingConstructionPriceToBeRetainedAsQualityAssuranceFund" xlink:label="vimc_PercentageOfRemainingConstructionPriceToBeRetainedAsQualityAssuranceFund" xlink:title="vimc_PercentageOfRemainingConstructionPriceToBeRetainedAsQualityAssuranceFund" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="vimc_PercentageOfRemainingConstructionPriceToBeRetainedAsQualityAssuranceFund" xlink:title="Definition : us-gaap_SubsequentEventLineItems to vimc_PercentageOfRemainingConstructionPriceToBeRetainedAsQualityAssuranceFund" xlink:type="arc" order="9" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_PeriodForWhichRemainingConstructionPriceCanBeRetainedAsQualityAssuranceFund" xlink:label="vimc_PeriodForWhichRemainingConstructionPriceCanBeRetainedAsQualityAssuranceFund" xlink:title="vimc_PeriodForWhichRemainingConstructionPriceCanBeRetainedAsQualityAssuranceFund" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="vimc_PeriodForWhichRemainingConstructionPriceCanBeRetainedAsQualityAssuranceFund" xlink:title="Definition : us-gaap_SubsequentEventLineItems to vimc_PeriodForWhichRemainingConstructionPriceCanBeRetainedAsQualityAssuranceFund" xlink:type="arc" order="10" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:label="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:title="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis" xlink:to="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:title="Definition : us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis to us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RepurchaseAgreementCounterpartyNameDomain" xlink:label="us-gaap_RepurchaseAgreementCounterpartyNameDomain" xlink:title="us-gaap_RepurchaseAgreementCounterpartyNameDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_CounterpartyNameAxis" xlink:to="us-gaap_RepurchaseAgreementCounterpartyNameDomain" xlink:title="Definition : us-gaap_CounterpartyNameAxis to us-gaap_RepurchaseAgreementCounterpartyNameDomain" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ParentCompanyOfVimicroTechnologyCorporationMember" xlink:label="vimc_ParentCompanyOfVimicroTechnologyCorporationMember" xlink:title="vimc_ParentCompanyOfVimicroTechnologyCorporationMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain" xlink:to="vimc_ParentCompanyOfVimicroTechnologyCorporationMember" xlink:title="Definition : us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain to vimc_ParentCompanyOfVimicroTechnologyCorporationMember" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_JiangsuVimicroElectronicsLimitedMember" xlink:label="vimc_JiangsuVimicroElectronicsLimitedMember" xlink:title="vimc_JiangsuVimicroElectronicsLimitedMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="vimc_JiangsuVimicroElectronicsLimitedMember" xlink:title="Definition : dei_EntityDomain to vimc_JiangsuVimicroElectronicsLimitedMember" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ZhonghanDengMember" xlink:label="vimc_ZhonghanDengMember" xlink:title="vimc_ZhonghanDengMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="vimc_ZhonghanDengMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to vimc_ZhonghanDengMember" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_NanjingXuanwuDistrictStateOwnedAssetsInvestmentAndManagementHoldingGroupCoLtdMember" xlink:label="vimc_NanjingXuanwuDistrictStateOwnedAssetsInvestmentAndManagementHoldingGroupCoLtdMember" xlink:title="vimc_NanjingXuanwuDistrictStateOwnedAssetsInvestmentAndManagementHoldingGroupCoLtdMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RepurchaseAgreementCounterpartyNameDomain" xlink:to="vimc_NanjingXuanwuDistrictStateOwnedAssetsInvestmentAndManagementHoldingGroupCoLtdMember" xlink:title="Definition : us-gaap_RepurchaseAgreementCounterpartyNameDomain to vimc_NanjingXuanwuDistrictStateOwnedAssetsInvestmentAndManagementHoldingGroupCoLtdMember" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_BeneficialInterestHeldByRelatedParty" xlink:label="vimc_BeneficialInterestHeldByRelatedParty" xlink:title="vimc_BeneficialInterestHeldByRelatedParty" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="vimc_BeneficialInterestHeldByRelatedParty" xlink:title="Definition : us-gaap_SubsequentEventLineItems to vimc_BeneficialInterestHeldByRelatedParty" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RepurchaseAgreementCounterpartyNameDomain" xlink:label="us-gaap_RepurchaseAgreementCounterpartyNameDomain_1" xlink:title="us-gaap_RepurchaseAgreementCounterpartyNameDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_CounterpartyNameAxis" xlink:to="us-gaap_RepurchaseAgreementCounterpartyNameDomain_1" xlink:title="Definition : us-gaap_CounterpartyNameAxis to us-gaap_RepurchaseAgreementCounterpartyNameDomain" xlink:type="arc" order="8001" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_ZhaoweiJinMember" xlink:label="vimc_ZhaoweiJinMember" xlink:title="vimc_ZhaoweiJinMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="vimc_ZhaoweiJinMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to vimc_ZhaoweiJinMember" xlink:type="arc" order="8001" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_NumberOfResearchAndDevelopmentOfficeBuildingsForWhichSaleIsGuaranteed" xlink:label="vimc_NumberOfResearchAndDevelopmentOfficeBuildingsForWhichSaleIsGuaranteed" xlink:title="vimc_NumberOfResearchAndDevelopmentOfficeBuildingsForWhichSaleIsGuaranteed" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="vimc_NumberOfResearchAndDevelopmentOfficeBuildingsForWhichSaleIsGuaranteed" xlink:title="Definition : us-gaap_SubsequentEventLineItems to vimc_NumberOfResearchAndDevelopmentOfficeBuildingsForWhichSaleIsGuaranteed" xlink:type="arc" order="8001" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_XiaodongYangMember" xlink:label="vimc_XiaodongYangMember" xlink:title="vimc_XiaodongYangMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_RelatedPartyDomain" xlink:to="vimc_XiaodongYangMember" xlink:title="Definition : us-gaap_RelatedPartyDomain to vimc_XiaodongYangMember" xlink:type="arc" order="8002" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_BottomPriceForOvergroundFloorOfResearchAndDevelopmentOfficeBuildings" xlink:label="vimc_BottomPriceForOvergroundFloorOfResearchAndDevelopmentOfficeBuildings" xlink:title="vimc_BottomPriceForOvergroundFloorOfResearchAndDevelopmentOfficeBuildings" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="vimc_BottomPriceForOvergroundFloorOfResearchAndDevelopmentOfficeBuildings" xlink:title="Definition : us-gaap_SubsequentEventLineItems to vimc_BottomPriceForOvergroundFloorOfResearchAndDevelopmentOfficeBuildings" xlink:type="arc" order="8002" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_BottomPriceForUndergroundFloorOfResearchAndDevelopmentOfficeBuildings" xlink:label="vimc_BottomPriceForUndergroundFloorOfResearchAndDevelopmentOfficeBuildings" xlink:title="vimc_BottomPriceForUndergroundFloorOfResearchAndDevelopmentOfficeBuildings" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="vimc_BottomPriceForUndergroundFloorOfResearchAndDevelopmentOfficeBuildings" xlink:title="Definition : us-gaap_SubsequentEventLineItems to vimc_BottomPriceForUndergroundFloorOfResearchAndDevelopmentOfficeBuildings" xlink:type="arc" order="8003" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_SignificantDisposalsConsiderationToBeReceived" xlink:label="vimc_SignificantDisposalsConsiderationToBeReceived" xlink:title="vimc_SignificantDisposalsConsiderationToBeReceived" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="vimc_SignificantDisposalsConsiderationToBeReceived" xlink:title="Definition : us-gaap_SubsequentEventLineItems to vimc_SignificantDisposalsConsiderationToBeReceived" xlink:type="arc" order="8004" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromSaleOfBuildings" xlink:label="us-gaap_ProceedsFromSaleOfBuildings" xlink:title="us-gaap_ProceedsFromSaleOfBuildings" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_ProceedsFromSaleOfBuildings" xlink:title="Definition : us-gaap_SubsequentEventLineItems to us-gaap_ProceedsFromSaleOfBuildings" xlink:type="arc" order="8005" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_DiscontinuedOperationsLandUseRights" xlink:label="vimc_DiscontinuedOperationsLandUseRights" xlink:title="vimc_DiscontinuedOperationsLandUseRights" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="vimc_DiscontinuedOperationsLandUseRights" xlink:title="Definition : us-gaap_SubsequentEventLineItems to vimc_DiscontinuedOperationsLandUseRights" xlink:type="arc" order="8006" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents" xlink:title="us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents" xlink:title="Definition : us-gaap_SubsequentEventLineItems to us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents" xlink:type="arc" order="8007" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_DisposalGroupIncludingDiscontinuedOperationReceivableFromParent" xlink:label="vimc_DisposalGroupIncludingDiscontinuedOperationReceivableFromParent" xlink:title="vimc_DisposalGroupIncludingDiscontinuedOperationReceivableFromParent" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SubsequentEventLineItems" xlink:to="vimc_DisposalGroupIncludingDiscontinuedOperationReceivableFromParent" xlink:title="Definition : us-gaap_SubsequentEventLineItems to vimc_DisposalGroupIncludingDiscontinuedOperationReceivableFromParent" xlink:type="arc" order="8008" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="us-gaap_StatementScenarioAxis" xlink:title="us-gaap_StatementScenarioAxis" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_SubsequentEventTable" xlink:to="us-gaap_StatementScenarioAxis" xlink:title="Definition : us-gaap_SubsequentEventTable to us-gaap_StatementScenarioAxis" xlink:type="arc" use="optional" order="16" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="us-gaap_ScenarioUnspecifiedDomain" xlink:title="us-gaap_ScenarioUnspecifiedDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_StatementScenarioAxis" xlink:to="us-gaap_ScenarioUnspecifiedDomain" xlink:title="Definition : us-gaap_StatementScenarioAxis to us-gaap_ScenarioUnspecifiedDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScenarioForecastMember" xlink:label="us-gaap_ScenarioForecastMember" xlink:title="us-gaap_ScenarioForecastMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ScenarioUnspecifiedDomain" xlink:to="us-gaap_ScenarioForecastMember" xlink:title="Definition : us-gaap_ScenarioUnspecifiedDomain to us-gaap_ScenarioForecastMember" xlink:type="arc" use="optional" order="8010" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="us-gaap_ScenarioUnspecifiedDomain_1" xlink:title="us-gaap_ScenarioUnspecifiedDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_StatementScenarioAxis" xlink:to="us-gaap_ScenarioUnspecifiedDomain_1" xlink:title="Definition : us-gaap_StatementScenarioAxis to us-gaap_ScenarioUnspecifiedDomain" xlink:type="arc" use="optional" order="10" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-cfiotcnd">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:label="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:title="us-gaap_CondensedFinancialStatementsCaptionsLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfCondensedFinancialStatementsTable" xlink:label="us-gaap_ScheduleOfCondensedFinancialStatementsTable" xlink:title="us-gaap_ScheduleOfCondensedFinancialStatementsTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:to="us-gaap_ScheduleOfCondensedFinancialStatementsTable" xlink:title="Definition : us-gaap_CondensedFinancialStatementsCaptionsLineItems to us-gaap_ScheduleOfCondensedFinancialStatementsTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis" xlink:title="dei_LegalEntityAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain" xlink:title="dei_EntityDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" xlink:title="Definition : dei_LegalEntityAxis to dei_EntityDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SubsidiariesMember" xlink:label="us-gaap_SubsidiariesMember" xlink:title="us-gaap_SubsidiariesMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="us-gaap_SubsidiariesMember" xlink:title="Definition : dei_EntityDomain to us-gaap_SubsidiariesMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfCondensedFinancialStatementsTable" xlink:to="dei_LegalEntityAxis" xlink:title="Definition : us-gaap_ScheduleOfCondensedFinancialStatementsTable to dei_LegalEntityAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="us-gaap_ParentCompanyMember" xlink:title="us-gaap_ParentCompanyMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="us-gaap_ParentCompanyMember" xlink:title="Definition : dei_EntityDomain to us-gaap_ParentCompanyMember" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_MinimumPercentageOfNetProfitToBeAllocatedToStatutoryReserveFund" xlink:label="vimc_MinimumPercentageOfNetProfitToBeAllocatedToStatutoryReserveFund" xlink:title="vimc_MinimumPercentageOfNetProfitToBeAllocatedToStatutoryReserveFund" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:to="vimc_MinimumPercentageOfNetProfitToBeAllocatedToStatutoryReserveFund" xlink:title="Definition : us-gaap_CondensedFinancialStatementsCaptionsLineItems to vimc_MinimumPercentageOfNetProfitToBeAllocatedToStatutoryReserveFund" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_StatutoryReserveBalance" xlink:label="vimc_StatutoryReserveBalance" xlink:title="vimc_StatutoryReserveBalance" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:to="vimc_StatutoryReserveBalance" xlink:title="Definition : us-gaap_CondensedFinancialStatementsCaptionsLineItems to vimc_StatutoryReserveBalance" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AmountOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries" xlink:label="us-gaap_AmountOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries" xlink:title="us-gaap_AmountOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:to="us-gaap_AmountOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries" xlink:title="Definition : us-gaap_CondensedFinancialStatementsCaptionsLineItems to us-gaap_AmountOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries" xlink:type="arc" order="7" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalents" xlink:label="us-gaap_RestrictedCashAndCashEquivalents" xlink:title="us-gaap_RestrictedCashAndCashEquivalents" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:to="us-gaap_RestrictedCashAndCashEquivalents" xlink:title="Definition : us-gaap_CondensedFinancialStatementsCaptionsLineItems to us-gaap_RestrictedCashAndCashEquivalents" xlink:type="arc" use="optional" order="17" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CurrencyAxis" xlink:label="us-gaap_CurrencyAxis" xlink:title="us-gaap_CurrencyAxis" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfCondensedFinancialStatementsTable" xlink:to="us-gaap_CurrencyAxis" xlink:title="Definition : us-gaap_ScheduleOfCondensedFinancialStatementsTable to us-gaap_CurrencyAxis" xlink:type="arc" use="optional" order="11" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/currency/2014/currency-2014-01-31.xsd#currency_AllCurrenciesDomain" xlink:label="currency_AllCurrenciesDomain" xlink:title="currency_AllCurrenciesDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_CurrencyAxis" xlink:to="currency_AllCurrenciesDomain" xlink:title="Definition : us-gaap_CurrencyAxis to currency_AllCurrenciesDomain" xlink:type="arc" use="optional" order="10" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/currency/2014/currency-2014-01-31.xsd#currency_CNY" xlink:label="currency_CNY" xlink:title="currency_CNY" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="currency_AllCurrenciesDomain" xlink:to="currency_CNY" xlink:title="Definition : currency_AllCurrenciesDomain to currency_CNY" xlink:type="arc" use="optional" order="10" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/currency/2014/currency-2014-01-31.xsd#currency_AllCurrenciesDomain" xlink:label="currency_AllCurrenciesDomain_1" xlink:title="currency_AllCurrenciesDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_CurrencyAxis" xlink:to="currency_AllCurrenciesDomain_1" xlink:title="Definition : us-gaap_CurrencyAxis to currency_AllCurrenciesDomain" xlink:type="arc" use="optional" order="10" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CashCashEquivalentsAndShortTermInvestments" xlink:label="us-gaap_CashCashEquivalentsAndShortTermInvestments" xlink:title="us-gaap_CashCashEquivalentsAndShortTermInvestments" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:to="us-gaap_CashCashEquivalentsAndShortTermInvestments" xlink:title="Definition : us-gaap_CondensedFinancialStatementsCaptionsLineItems to us-gaap_CashCashEquivalentsAndShortTermInvestments" xlink:type="arc" use="optional" order="27" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StatementGeographicalAxis" xlink:label="us-gaap_StatementGeographicalAxis" xlink:title="us-gaap_StatementGeographicalAxis" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfCondensedFinancialStatementsTable" xlink:to="us-gaap_StatementGeographicalAxis" xlink:title="Definition : us-gaap_ScheduleOfCondensedFinancialStatementsTable to us-gaap_StatementGeographicalAxis" xlink:type="arc" use="optional" order="21" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SegmentGeographicalDomain" xlink:label="us-gaap_SegmentGeographicalDomain" xlink:title="us-gaap_SegmentGeographicalDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_StatementGeographicalAxis" xlink:to="us-gaap_SegmentGeographicalDomain" xlink:title="Definition : us-gaap_StatementGeographicalAxis to us-gaap_SegmentGeographicalDomain" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/country/2013/country-2013-01-31.xsd#country_CN" xlink:label="country_CN" xlink:title="country_CN" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_SegmentGeographicalDomain" xlink:to="country_CN" xlink:title="Definition : us-gaap_SegmentGeographicalDomain to country_CN" xlink:type="arc" use="optional" order="1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SegmentGeographicalDomain" xlink:label="us-gaap_SegmentGeographicalDomain_1" xlink:title="us-gaap_SegmentGeographicalDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_StatementGeographicalAxis" xlink:to="us-gaap_SegmentGeographicalDomain_1" xlink:title="Definition : us-gaap_StatementGeographicalAxis to us-gaap_SegmentGeographicalDomain" xlink:type="arc" use="optional" order="11" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-cfiotcsobsd">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:label="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:title="us-gaap_CondensedFinancialStatementsCaptionsLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfCondensedFinancialStatementsTable" xlink:label="us-gaap_ScheduleOfCondensedFinancialStatementsTable" xlink:title="us-gaap_ScheduleOfCondensedFinancialStatementsTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:to="us-gaap_ScheduleOfCondensedFinancialStatementsTable" xlink:title="Definition : us-gaap_CondensedFinancialStatementsCaptionsLineItems to us-gaap_ScheduleOfCondensedFinancialStatementsTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis" xlink:title="dei_LegalEntityAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain" xlink:title="dei_EntityDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" xlink:title="Definition : dei_LegalEntityAxis to dei_EntityDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="us-gaap_ParentCompanyMember" xlink:title="us-gaap_ParentCompanyMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="us-gaap_ParentCompanyMember" xlink:title="Definition : dei_EntityDomain to us-gaap_ParentCompanyMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="us-gaap_AssetsAbstract" xlink:title="us-gaap_AssetsAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="us-gaap_AssetsCurrentAbstract" xlink:title="us-gaap_AssetsCurrentAbstract" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AssetsAbstract" xlink:to="us-gaap_AssetsCurrentAbstract" xlink:title="Definition : us-gaap_AssetsAbstract to us-gaap_AssetsCurrentAbstract" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:title="us-gaap_CashAndCashEquivalentsAtCarryingValue" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AssetsCurrentAbstract" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:title="Definition : us-gaap_AssetsCurrentAbstract to us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:title="us-gaap_LiabilitiesAndStockholdersEquityAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="us-gaap_LiabilitiesCurrentAbstract" xlink:title="us-gaap_LiabilitiesCurrentAbstract" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_LiabilitiesCurrentAbstract" xlink:title="Definition : us-gaap_LiabilitiesAndStockholdersEquityAbstract to us-gaap_LiabilitiesCurrentAbstract" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherAccountsPayableAndAccruedLiabilities" xlink:label="us-gaap_OtherAccountsPayableAndAccruedLiabilities" xlink:title="us-gaap_OtherAccountsPayableAndAccruedLiabilities" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_LiabilitiesCurrentAbstract" xlink:to="us-gaap_OtherAccountsPayableAndAccruedLiabilities" xlink:title="Definition : us-gaap_LiabilitiesCurrentAbstract to us-gaap_OtherAccountsPayableAndAccruedLiabilities" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="us-gaap_StockholdersEquityAbstract" xlink:title="us-gaap_StockholdersEquityAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CommonStockValue" xlink:label="us-gaap_CommonStockValue" xlink:title="us-gaap_CommonStockValue" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_CommonStockValue" xlink:title="Definition : us-gaap_StockholdersEquityAbstract to us-gaap_CommonStockValue" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfCondensedFinancialStatementsTable" xlink:to="dei_LegalEntityAxis" xlink:title="Definition : us-gaap_ScheduleOfCondensedFinancialStatementsTable to dei_LegalEntityAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:to="us-gaap_AssetsAbstract" xlink:title="Definition : us-gaap_CondensedFinancialStatementsCaptionsLineItems to us-gaap_AssetsAbstract" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DueFromAffiliateCurrent" xlink:label="us-gaap_DueFromAffiliateCurrent" xlink:title="us-gaap_DueFromAffiliateCurrent" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AssetsCurrentAbstract" xlink:to="us-gaap_DueFromAffiliateCurrent" xlink:title="Definition : us-gaap_AssetsCurrentAbstract to us-gaap_DueFromAffiliateCurrent" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xlink:label="us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xlink:title="us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AssetsAbstract" xlink:to="us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xlink:title="Definition : us-gaap_AssetsAbstract to us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_StockholdersEquityAbstract" xlink:title="Definition : us-gaap_LiabilitiesAndStockholdersEquityAbstract to us-gaap_StockholdersEquityAbstract" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_DueFromRelatedPartiesCurrent" xlink:label="us-gaap_DueFromRelatedPartiesCurrent" xlink:title="us-gaap_DueFromRelatedPartiesCurrent" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AssetsCurrentAbstract" xlink:to="us-gaap_DueFromRelatedPartiesCurrent" xlink:title="Definition : us-gaap_AssetsCurrentAbstract to us-gaap_DueFromRelatedPartiesCurrent" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_Assets" xlink:label="us-gaap_Assets" xlink:title="us-gaap_Assets" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AssetsAbstract" xlink:to="us-gaap_Assets" xlink:title="Definition : us-gaap_AssetsAbstract to us-gaap_Assets" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:to="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:title="Definition : us-gaap_CondensedFinancialStatementsCaptionsLineItems to us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare" xlink:title="us-gaap_CommonStockParOrStatedValuePerShare" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_CommonStockParOrStatedValuePerShare" xlink:title="Definition : us-gaap_LiabilitiesAndStockholdersEquityAbstract to us-gaap_CommonStockParOrStatedValuePerShare" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:label="us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:title="us-gaap_PrepaidExpenseAndOtherAssetsCurrent" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AssetsCurrentAbstract" xlink:to="us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:title="Definition : us-gaap_AssetsCurrentAbstract to us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="us-gaap_CommonStockSharesAuthorized" xlink:title="us-gaap_CommonStockSharesAuthorized" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_CommonStockSharesAuthorized" xlink:title="Definition : us-gaap_LiabilitiesAndStockholdersEquityAbstract to us-gaap_CommonStockSharesAuthorized" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="us-gaap_AssetsCurrent" xlink:title="us-gaap_AssetsCurrent" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AssetsCurrentAbstract" xlink:to="us-gaap_AssetsCurrent" xlink:title="Definition : us-gaap_AssetsCurrentAbstract to us-gaap_AssetsCurrent" xlink:type="arc" order="5" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="us-gaap_CommonStockSharesIssued" xlink:title="us-gaap_CommonStockSharesIssued" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_CommonStockSharesIssued" xlink:title="Definition : us-gaap_LiabilitiesAndStockholdersEquityAbstract to us-gaap_CommonStockSharesIssued" xlink:type="arc" order="5" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="us-gaap_CommonStockSharesOutstanding" xlink:title="us-gaap_CommonStockSharesOutstanding" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_CommonStockSharesOutstanding" xlink:title="Definition : us-gaap_LiabilitiesAndStockholdersEquityAbstract to us-gaap_CommonStockSharesOutstanding" xlink:type="arc" order="6" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock" xlink:label="us-gaap_AdditionalPaidInCapitalCommonStock" xlink:title="us-gaap_AdditionalPaidInCapitalCommonStock" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_AdditionalPaidInCapitalCommonStock" xlink:title="Definition : us-gaap_LiabilitiesAndStockholdersEquityAbstract to us-gaap_AdditionalPaidInCapitalCommonStock" xlink:type="arc" order="7" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TreasuryStockValue" xlink:label="us-gaap_TreasuryStockValue" xlink:title="us-gaap_TreasuryStockValue" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_TreasuryStockValue" xlink:title="Definition : us-gaap_LiabilitiesAndStockholdersEquityAbstract to us-gaap_TreasuryStockValue" xlink:type="arc" order="8" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_TreasuryStockShares" xlink:label="us-gaap_TreasuryStockShares" xlink:title="us-gaap_TreasuryStockShares" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_TreasuryStockShares" xlink:title="Definition : us-gaap_LiabilitiesAndStockholdersEquityAbstract to us-gaap_TreasuryStockShares" xlink:type="arc" order="9" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:title="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:title="Definition : us-gaap_LiabilitiesAndStockholdersEquityAbstract to us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:type="arc" order="10" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit" xlink:title="us-gaap_RetainedEarningsAccumulatedDeficit" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_RetainedEarningsAccumulatedDeficit" xlink:title="Definition : us-gaap_LiabilitiesAndStockholdersEquityAbstract to us-gaap_RetainedEarningsAccumulatedDeficit" xlink:type="arc" order="11" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_StatutoryReserveBalance" xlink:label="vimc_StatutoryReserveBalance" xlink:title="vimc_StatutoryReserveBalance" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="vimc_StatutoryReserveBalance" xlink:title="Definition : us-gaap_LiabilitiesAndStockholdersEquityAbstract to vimc_StatutoryReserveBalance" xlink:type="arc" order="12" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:title="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:title="Definition : us-gaap_LiabilitiesAndStockholdersEquityAbstract to us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:type="arc" order="13" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity" xlink:title="us-gaap_LiabilitiesAndStockholdersEquity" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_LiabilitiesAndStockholdersEquity" xlink:title="Definition : us-gaap_LiabilitiesAndStockholdersEquityAbstract to us-gaap_LiabilitiesAndStockholdersEquity" xlink:type="arc" order="14" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MarketableSecuritiesEquitySecuritiesCurrent" xlink:label="us-gaap_MarketableSecuritiesEquitySecuritiesCurrent" xlink:title="us-gaap_MarketableSecuritiesEquitySecuritiesCurrent" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AssetsCurrentAbstract" xlink:to="us-gaap_MarketableSecuritiesEquitySecuritiesCurrent" xlink:title="Definition : us-gaap_AssetsCurrentAbstract to us-gaap_MarketableSecuritiesEquitySecuritiesCurrent" xlink:type="arc" order="8000" xbrldt:closed="false" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-cfiotcsosooacld">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingExpensesAbstract" xlink:label="us-gaap_OperatingExpensesAbstract" xlink:title="us-gaap_OperatingExpensesAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ResearchAndDevelopmentExpense" xlink:label="us-gaap_ResearchAndDevelopmentExpense" xlink:title="us-gaap_ResearchAndDevelopmentExpense" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_OperatingExpensesAbstract" xlink:to="us-gaap_ResearchAndDevelopmentExpense" xlink:title="Definition : us-gaap_OperatingExpensesAbstract to us-gaap_ResearchAndDevelopmentExpense" xlink:type="arc" order="0.1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_SellingAndMarketingExpense" xlink:label="us-gaap_SellingAndMarketingExpense" xlink:title="us-gaap_SellingAndMarketingExpense" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_OperatingExpensesAbstract" xlink:to="us-gaap_SellingAndMarketingExpense" xlink:title="Definition : us-gaap_OperatingExpensesAbstract to us-gaap_SellingAndMarketingExpense" xlink:type="arc" order="0.2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:label="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:title="us-gaap_CondensedFinancialStatementsCaptionsLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfCondensedFinancialStatementsTable" xlink:label="us-gaap_ScheduleOfCondensedFinancialStatementsTable" xlink:title="us-gaap_ScheduleOfCondensedFinancialStatementsTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:to="us-gaap_ScheduleOfCondensedFinancialStatementsTable" xlink:title="Definition : us-gaap_CondensedFinancialStatementsCaptionsLineItems to us-gaap_ScheduleOfCondensedFinancialStatementsTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis" xlink:title="dei_LegalEntityAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain" xlink:title="dei_EntityDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" xlink:title="Definition : dei_LegalEntityAxis to dei_EntityDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="us-gaap_ParentCompanyMember" xlink:title="us-gaap_ParentCompanyMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="us-gaap_ParentCompanyMember" xlink:title="Definition : dei_EntityDomain to us-gaap_ParentCompanyMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:label="us-gaap_GeneralAndAdministrativeExpense" xlink:title="us-gaap_GeneralAndAdministrativeExpense" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_OperatingExpensesAbstract" xlink:to="us-gaap_GeneralAndAdministrativeExpense" xlink:title="Definition : us-gaap_OperatingExpensesAbstract to us-gaap_GeneralAndAdministrativeExpense" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NonoperatingIncomeExpenseAbstract" xlink:label="us-gaap_NonoperatingIncomeExpenseAbstract" xlink:title="us-gaap_NonoperatingIncomeExpenseAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InvestmentIncomeInterest" xlink:label="us-gaap_InvestmentIncomeInterest" xlink:title="us-gaap_InvestmentIncomeInterest" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_NonoperatingIncomeExpenseAbstract" xlink:to="us-gaap_InvestmentIncomeInterest" xlink:title="Definition : us-gaap_NonoperatingIncomeExpenseAbstract to us-gaap_InvestmentIncomeInterest" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:title="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax" xlink:label="us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax" xlink:title="us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:to="us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax" xlink:title="Definition : us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract to us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfCondensedFinancialStatementsTable" xlink:to="dei_LegalEntityAxis" xlink:title="Definition : us-gaap_ScheduleOfCondensedFinancialStatementsTable to dei_LegalEntityAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="vimc-20141231.xsd#vimc_DeferredIncomeReceivedFromDisposalOfSubsidiary" xlink:label="vimc_DeferredIncomeReceivedFromDisposalOfSubsidiary" xlink:title="vimc_DeferredIncomeReceivedFromDisposalOfSubsidiary" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:to="vimc_DeferredIncomeReceivedFromDisposalOfSubsidiary" xlink:title="Definition : us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract to vimc_DeferredIncomeReceivedFromDisposalOfSubsidiary" xlink:type="arc" order="1.1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:to="us-gaap_OperatingExpensesAbstract" xlink:title="Definition : us-gaap_CondensedFinancialStatementsCaptionsLineItems to us-gaap_OperatingExpensesAbstract" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_InterestExpense" xlink:label="us-gaap_InterestExpense" xlink:title="us-gaap_InterestExpense" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_NonoperatingIncomeExpenseAbstract" xlink:to="us-gaap_InterestExpense" xlink:title="Definition : us-gaap_NonoperatingIncomeExpenseAbstract to us-gaap_InterestExpense" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax" xlink:label="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax" xlink:title="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:to="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax" xlink:title="Definition : us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract to us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="us-gaap_OperatingIncomeLoss" xlink:title="us-gaap_OperatingIncomeLoss" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:to="us-gaap_OperatingIncomeLoss" xlink:title="Definition : us-gaap_CondensedFinancialStatementsCaptionsLineItems to us-gaap_OperatingIncomeLoss" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MarketableSecuritiesRealizedGainLoss" xlink:label="us-gaap_MarketableSecuritiesRealizedGainLoss" xlink:title="us-gaap_MarketableSecuritiesRealizedGainLoss" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_NonoperatingIncomeExpenseAbstract" xlink:to="us-gaap_MarketableSecuritiesRealizedGainLoss" xlink:title="Definition : us-gaap_NonoperatingIncomeExpenseAbstract to us-gaap_MarketableSecuritiesRealizedGainLoss" xlink:type="arc" order="5" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" xlink:title="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:to="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" xlink:title="Definition : us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract to us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:to="us-gaap_NonoperatingIncomeExpenseAbstract" xlink:title="Definition : us-gaap_CondensedFinancialStatementsCaptionsLineItems to us-gaap_NonoperatingIncomeExpenseAbstract" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GainOrLossOnSaleOfStockInSubsidiary" xlink:label="us-gaap_GainOrLossOnSaleOfStockInSubsidiary" xlink:title="us-gaap_GainOrLossOnSaleOfStockInSubsidiary" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_NonoperatingIncomeExpenseAbstract" xlink:to="us-gaap_GainOrLossOnSaleOfStockInSubsidiary" xlink:title="Definition : us-gaap_NonoperatingIncomeExpenseAbstract to us-gaap_GainOrLossOnSaleOfStockInSubsidiary" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax" xlink:label="us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax" xlink:title="us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:to="us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax" xlink:title="Definition : us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract to us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax" xlink:type="arc" order="5" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="us-gaap_OtherNonoperatingIncomeExpense" xlink:title="us-gaap_OtherNonoperatingIncomeExpense" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_NonoperatingIncomeExpenseAbstract" xlink:to="us-gaap_OtherNonoperatingIncomeExpense" xlink:title="Definition : us-gaap_NonoperatingIncomeExpenseAbstract to us-gaap_OtherNonoperatingIncomeExpense" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:title="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:to="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:title="Definition : us-gaap_CondensedFinancialStatementsCaptionsLineItems to us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:type="arc" order="5" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:title="us-gaap_OtherComprehensiveIncomeLossNetOfTax" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:to="us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:title="Definition : us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract to us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="us-gaap_IncomeTaxExpenseBenefit" xlink:title="us-gaap_IncomeTaxExpenseBenefit" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:to="us-gaap_IncomeTaxExpenseBenefit" xlink:title="Definition : us-gaap_CondensedFinancialStatementsCaptionsLineItems to us-gaap_IncomeTaxExpenseBenefit" xlink:type="arc" order="6" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss" xlink:title="us-gaap_NetIncomeLoss" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:to="us-gaap_NetIncomeLoss" xlink:title="Definition : us-gaap_CondensedFinancialStatementsCaptionsLineItems to us-gaap_NetIncomeLoss" xlink:type="arc" order="7" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeLossFromSubsidiariesNetOfTax" xlink:label="us-gaap_IncomeLossFromSubsidiariesNetOfTax" xlink:title="us-gaap_IncomeLossFromSubsidiariesNetOfTax" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:to="us-gaap_IncomeLossFromSubsidiariesNetOfTax" xlink:title="Definition : us-gaap_CondensedFinancialStatementsCaptionsLineItems to us-gaap_IncomeLossFromSubsidiariesNetOfTax" xlink:type="arc" order="8" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProfitLoss" xlink:label="us-gaap_ProfitLoss" xlink:title="us-gaap_ProfitLoss" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:to="us-gaap_ProfitLoss" xlink:title="Definition : us-gaap_CondensedFinancialStatementsCaptionsLineItems to us-gaap_ProfitLoss" xlink:type="arc" order="9" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:title="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:to="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:title="Definition : us-gaap_CondensedFinancialStatementsCaptionsLineItems to us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:type="arc" order="10" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:to="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:title="Definition : us-gaap_CondensedFinancialStatementsCaptionsLineItems to us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:type="arc" order="11" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:title="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:to="us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:title="Definition : us-gaap_CondensedFinancialStatementsCaptionsLineItems to us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:type="arc" order="12" xbrldt:closed="false" />
  </link:definitionLink>
  <link:definitionLink xlink:type="extended" xlink:role="http://www.vimicro.com/role/vimc-cfiotcsosocfd">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:label="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:title="us-gaap_CondensedFinancialStatementsCaptionsLineItems" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ScheduleOfCondensedFinancialStatementsTable" xlink:label="us-gaap_ScheduleOfCondensedFinancialStatementsTable" xlink:title="us-gaap_ScheduleOfCondensedFinancialStatementsTable" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:to="us-gaap_ScheduleOfCondensedFinancialStatementsTable" xlink:title="Definition : us-gaap_CondensedFinancialStatementsCaptionsLineItems to us-gaap_ScheduleOfCondensedFinancialStatementsTable" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis" xlink:title="dei_LegalEntityAxis" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="dei_EntityDomain" xlink:title="dei_EntityDomain" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="dei_LegalEntityAxis" xlink:to="dei_EntityDomain" xlink:title="Definition : dei_LegalEntityAxis to dei_EntityDomain" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="us-gaap_ParentCompanyMember" xlink:title="us-gaap_ParentCompanyMember" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="us-gaap_ParentCompanyMember" xlink:title="Definition : dei_EntityDomain to us-gaap_ParentCompanyMember" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:title="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProfitLoss" xlink:label="us-gaap_ProfitLoss" xlink:title="us-gaap_ProfitLoss" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_ProfitLoss" xlink:title="Definition : us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract to us-gaap_ProfitLoss" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:title="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncomeLossFromSubsidiariesNetOfTax" xlink:label="us-gaap_IncomeLossFromSubsidiariesNetOfTax" xlink:title="us-gaap_IncomeLossFromSubsidiariesNetOfTax" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_IncomeLossFromSubsidiariesNetOfTax" xlink:title="Definition : us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to us-gaap_IncomeLossFromSubsidiariesNetOfTax" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:title="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncreaseDecreaseInDueFromAffiliatesCurrent" xlink:label="us-gaap_IncreaseDecreaseInDueFromAffiliatesCurrent" xlink:title="us-gaap_IncreaseDecreaseInDueFromAffiliatesCurrent" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="us-gaap_IncreaseDecreaseInDueFromAffiliatesCurrent" xlink:title="Definition : us-gaap_IncreaseDecreaseInOperatingCapitalAbstract to us-gaap_IncreaseDecreaseInDueFromAffiliatesCurrent" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:title="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities" xlink:label="us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities" xlink:title="us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities" xlink:title="Definition : us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract to us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities" xlink:type="arc" order="8000" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:title="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:title="us-gaap_PaymentsForRepurchaseOfCommonStock" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:title="Definition : us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract to us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="us-gaap_ScheduleOfCondensedFinancialStatementsTable" xlink:to="dei_LegalEntityAxis" xlink:title="Definition : us-gaap_ScheduleOfCondensedFinancialStatementsTable to dei_LegalEntityAxis" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:title="Definition : us-gaap_CondensedFinancialStatementsCaptionsLineItems to us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:title="Definition : us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract to us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_MarketableSecuritiesRealizedGainLoss" xlink:label="us-gaap_MarketableSecuritiesRealizedGainLoss" xlink:title="us-gaap_MarketableSecuritiesRealizedGainLoss" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_MarketableSecuritiesRealizedGainLoss" xlink:title="Definition : us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to us-gaap_MarketableSecuritiesRealizedGainLoss" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:label="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:title="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:title="Definition : us-gaap_IncreaseDecreaseInOperatingCapitalAbstract to us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates" xlink:label="us-gaap_ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates" xlink:title="us-gaap_ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="us-gaap_ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates" xlink:title="Definition : us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract to us-gaap_ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates" xlink:type="arc" order="1" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised" xlink:label="us-gaap_ProceedsFromStockOptionsExercised" xlink:title="us-gaap_ProceedsFromStockOptionsExercised" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="us-gaap_ProceedsFromStockOptionsExercised" xlink:title="Definition : us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract to us-gaap_ProceedsFromStockOptionsExercised" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_GainOrLossOnSaleOfStockInSubsidiary" xlink:label="us-gaap_GainOrLossOnSaleOfStockInSubsidiary" xlink:title="us-gaap_GainOrLossOnSaleOfStockInSubsidiary" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_GainOrLossOnSaleOfStockInSubsidiary" xlink:title="Definition : us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to us-gaap_GainOrLossOnSaleOfStockInSubsidiary" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:title="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:title="Definition : us-gaap_IncreaseDecreaseInOperatingCapitalAbstract to us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:title="us-gaap_NetCashProvidedByUsedInOperatingActivities" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:title="Definition : us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract to us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:title="Definition : us-gaap_CondensedFinancialStatementsCaptionsLineItems to us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:title="us-gaap_NetCashProvidedByUsedInInvestingActivities" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:title="Definition : us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract to us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:type="arc" order="2" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:title="us-gaap_NetCashProvidedByUsedInFinancingActivities" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:title="Definition : us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract to us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:title="Definition : us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract to us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:type="arc" order="3" xbrldt:closed="false" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:title="Definition : us-gaap_CondensedFinancialStatementsCaptionsLineItems to us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:type="arc" order="4" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:title="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:to="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:title="Definition : us-gaap_CondensedFinancialStatementsCaptionsLineItems to us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:type="arc" order="5" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:title="us-gaap_CashAndCashEquivalentsAtCarryingValue" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_CondensedFinancialStatementsCaptionsLineItems" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:title="Definition : us-gaap_CondensedFinancialStatementsCaptionsLineItems to us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:type="arc" order="6" xbrldt:closed="false" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2014/elts/us-gaap-2014-01-31.xsd#us-gaap_PaymentsToAcquireMarketableSecurities" xlink:label="us-gaap_PaymentsToAcquireMarketableSecurities" xlink:title="us-gaap_PaymentsToAcquireMarketableSecurities" />
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="us-gaap_PaymentsToAcquireMarketableSecurities" xlink:title="Definition : us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract to us-gaap_PaymentsToAcquireMarketableSecurities" xlink:type="arc" order="3" xbrldt:closed="false" />
  </link:definitionLink>
</link:linkbase>
