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1、南京邮电大学硕士学位论文基于灭点径向一致性约束的相机标定研究姓名：韩超中请学位级别：硕士专业：信号与信息处理指导教师：张登银2011-03ABSTRACTCameracalibrationtechniqueisthekeyofthree-dimensionalinformationthatisobtainedfromthetwo・dimensionaldigitalimages,andisalsoimportantbasiccomputervisionresearch,whichisappliedinphotogrammetry,machinevision,securit
2、ymonitoring,three-dimensionalreconstruction,bio-medicine,remotesensingandmapping,navigationcontrolandotherfields.FortheproblemthatthemainpointcannotbesolvedintheprocessofTSAItwo-stepsmethod,thisworkimprovedthecalibrationmethodofTSAItwo-steps.Thestrictmathematicalrelationshipbetweencamerap
3、arametersandprocessparametersofTSAItwo-stepsmethodarederivedandestablished・Acameracalibrationtechniqueispresentedbasedonthevanishingpointradialdirectionconstrainedbyuniformlyalignment.Thespecificworkisgivenasfollows:1).Anumberofrelatedtheoriesaboutcameracalibration,includingthecameramodel
4、,distortionmodel,geometrictheoryofvanishingpointanderrorhandlingmethodarestudied.2).TheTSAItwo-stepcalibrationandsinglepointcalibrationarefocusedonviasummarizing,comparingandanalyzingtheexistingdigitalcameracalibrationtechnique.Theprinciplesandconcretestepsofabovetwoalgorithmsarealsostudi
5、ed.Calibrationexperimentsarecarriedouttoanalysistheadvantages.3).VanishingpointgeometricconstraintisimprovedbyTSAItwo-stepscalibrationmethodthatisintroducedinthispaperfortheproblemthatthemainpointcannotbesolvedinthecalibrationprocessofTSAItwo-stepsmethod・Thestrictmathematicalrelationshipb
6、etweentwo-vanishingpointsconfiguredbycameraparametersandprocessparametersofTSAItwo-stepsmethodarederivedandestablished,radialdistortionparametersandexteriororientationparametersofcameraaresolvedout.4).ExperimentsareconductedcorrespondingtoTSAItwo-stepsalgorithmandtheimprovedalgorithminthi
7、spaper,andtheresultsprovetheimprovedalgorithmhasvalidity,highprecisionandstability.Keywords：Cameracalibration,Vanishingpointgeometry,Radialalignmentconstrain,Leastsquaremethod缩略词缩略词英文全称译文CCCameraCalibration相机标定RACRadialAlignmentConstraint基于径向排列约束IBMRImage-basedModel
