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1、InternationalJournalofComputerVision59(3),207–232,2004c2004KluwerAcademicPublishers.ManufacturedinTheNetherlands.VisualModelingwithaHand-HeldCameraMARCPOLLEFEYSDepartmentofComputerScience,UniversityofNorthCarolina,ChapelHill,NC27599-3175,USAmarc@cs.unc.eduLUCVANGOOL,MAARTENVERGAUWEN,FRANK
2、VERBIEST,KURTCORNELISANDJANTOPSCenterforProcessingofSpeechandImages,KatholiekeUniversiteitLeuven,KasteelparkArenberg10,B-3001Leuven,BelgiumLuc.VanGool@esat.kuleuven.ac.beMaarten.Vergauwen@esat.kuleuven.ac.beFrank.Verbiest@esat.kuleuven.ac.beKurt.Cornelis@esat.kuleuven.ac.beJan.Tops@esat.ku
3、leuven.ac.beREINHARDKOCHInstitutfurInformatikundPraktischeMathematik,Christian-Albrechts-Universit¨atKiel,¨Hermann-Rodewald-Str.3,D-24098Kiel,Germanyrk@mip.informatik.uni-kiel.deReceivedMarch14,2001;RevisedOctober8,2003;AcceptedOctober10,2003Abstract.Inthispaperacompletesystemtobuildvisual
4、modelsfromcameraimagesispresented.Thesystemcandealwithuncalibratedimagesequencesacquiredwithahand-heldcamera.Basedontrackedormatchedfeaturestherelationsbetweenmultipleviewsarecomputed.Fromthisboththestructureofthesceneandthemotionofthecameraareretrieved.Theambiguityonthereconstructionisres
5、trictedfromprojectivetometricthroughself-calibration.Aflexiblemulti-viewstereomatchingschemeisusedtoobtainadenseestimationofthesurfacegeometry.Fromthecomputeddatadifferenttypesofvisualmodelsareconstructed.Besidesthetraditionalgeometry-andimage-basedapproaches,acombinedapproachwithview-depen
6、dentgeometryandtextureispresented.Asanapplicationfusionofrealandvirtualscenesisalsoshown.Keywords:visualmodeling,structure-from-motion,projectivereconstruction,self-calibration,multi-viewstereomatching,densereconstruction,3Dreconstruction,image-basedrendering,augmentedvideo,hand-heldcamera
7、1.Introductionchanged.Thereismoreandmoredemandfor3Dmod-elsincomputergraphics,virtualrealityandcommu-Duringrecentyearsalotofeffortwasputindevel-nication.Thisresultsinachangeintherequirements.opingnewapproachesformodelingandrenderingvi-Thevisualqualityofthemodel