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  <xs:element id="oust_StereolabsPostCombinationCompensationExpenseMember" abstract="true" name="StereolabsPostCombinationCompensationExpenseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="oust_NumeratorAbstract" abstract="true" name="NumeratorAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="oust_DenominatorAbstract" abstract="true" name="DenominatorAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="oust_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOptionsToPurchaseCommonStockMember" abstract="true" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOptionsToPurchaseCommonStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="oust_PublicAndPrivateCommonStockWarrantsMember" abstract="true" name="PublicAndPrivateCommonStockWarrantsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="oust_BusinessCombinationRestrictStockUnitsIssuedMember" abstract="true" name="BusinessCombinationRestrictStockUnitsIssuedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="oust_ShareBasedCompensationArrangementByShareBasedPaymentAwardUnvestedRestrictedStockAwardMember" abstract="true" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardUnvestedRestrictedStockAwardMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="oust_EffectiveIncomeTaxRateReconciliationReconcilingItemsDiscreteChargesAmount" abstract="false" name="EffectiveIncomeTaxRateReconciliationReconcilingItemsDiscreteChargesAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="oust_MultiYearLicensingContractsMember" abstract="true" name="MultiYearLicensingContractsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="oust_OneCustomerWithMultiyearContractEnteredIn2023Member" abstract="true" name="OneCustomerWithMultiyearContractEnteredIn2023Member" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="oust_OtherContractsMember" abstract="true" name="OtherContractsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="oust_ContractWithCustomerLiabilityCurrentAbstract" abstract="true" name="ContractWithCustomerLiabilityCurrentAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="oust_ContractWithCustomerLiabilityNoncurrentAbstract" abstract="true" name="ContractWithCustomerLiabilityNoncurrentAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="oust_ChangeInContractWithCustomerLiabilityRollForward" abstract="true" name="ChangeInContractWithCustomerLiabilityRollForward" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="oust_ContractWithCustomerLiabilityRevenueDeferredInThePeriod" abstract="false" name="ContractWithCustomerLiabilityRevenueDeferredInThePeriod" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="oust_ContractWithCustomerLiabilityRevenueRecognizedIncludingOpeningBalance" abstract="false" name="ContractWithCustomerLiabilityRevenueRecognizedIncludingOpeningBalance" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="oust_ReportableSegmentMember" abstract="true" name="ReportableSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
