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1、Overviewofthree-dimensionalshapemeasurementusingopticalmethodsFrankChenAbstract.Wefirstprovideanoverviewof3-Dshapemeasurementus-FordMotorCompanyingvariousopticalmethods.Thenwefocusonstructuredlighttech-Research&VehicleTechnologyniqueswherevariousopticalconfigur
2、ations,imageacquisitiontech-MD22,Room2608C,AECniques,datapostprocessingandanalysismethodsandadvantagesand20000RotundaDr.,P.O.Box2053limitationsarepresented.SeveralindustrialapplicationexamplesareDearborn,Michigan48121presented.ImportantareasrequiringfurtherR&
3、Darediscussed.Finally,E-mail:fchen1@ford.comacomprehensivebibliographyon3-Dshapemeasurementisincluded,althoughitisnotintendedtobeexhaustive.©2000SocietyofPhoto-OpticalGordonM.Brown,FELLOWSPIEInstrumentationEngineers.[S0091-3286(00)00101-X]OpticalSystemsEngine
4、ering1853TimarronWaySubjectterms:three-dimensionalshapemeasurement;coordinatemeasure-ment;opticalmethods;overview.Naples,Florida34109-3319E-mail:GMBrownOSE@aol.comPaperreceivedJuly12,1999;revisedmanuscriptreceivedAug.23,1999;acceptedforpublicationAug.23,1999.
5、MuminSongFordMotorCompanyFordResearchLaboratoryMD3135,Room2162,SRL20000RotundaDr.,P.O.Box2053Dearborn,Michigan48121E-mail:msong1@ford.com1Introductionovercomelensdistortionandaberrations.Afterthe3-Dshapeisobtained,thisdatamustbecomparedwithacom-Inindustry,the
6、reisaneedforaccuratelymeasuringtheputeraidedengineering~CAE!model.3-Dshapesofobjectstospeedupandensureproductde-Thispaperprovidesanoverviewof3-Dshapemeasure-velopmentandmanufacturingquality.Avarietyofapplica-mentusingvariousopticalmethods.Thenitfocusesontions
7、of3-Dshapemeasurementincludecontrolforintelli-structuredlightmeasurementsystemsformeasuringrela-gentrobots,obstacledetectionforvehicleguidance,tivelylargescaleand360degshape.Itthenoutlinesvari-dimensionmeasurementfordiedevelopment,stampingousdetailaspectssuch
8、asabsolutephasemeasurement,panelgeometrychecking,andaccuratestress/strainandvi-structuredlightsources,imageacquisitionsensors,camerabrationmeasurement.Moreover,automaticonlineinspec-model
