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346201112GEOMATICS&SPATIALINFORMATIONTECHNOLOGYVol.34No.6Dec.20112010-10-251985-。1962-1997。1121.7100542.TJES0811200092。。P204B1672-5867201106-0275-03TheResearchonSeveralMethodsofCameraCalibrationHEMin1QUANBin121.Dept.ofSurveyingScienceandTechnologyXi'anUniversityofScienceandTechnologyXi'an710054China2.ModernEngineeringSurveyKeyLaboratoryofNationalBureauofSurveyingandMappingTJES0811Shanghai200092ChinaAbstractTheparametersofthecameraarethekeypointtodecidetheresults’precision.Inthispaperseveralcalibrationmethodsaresummarizedthroughacomparativeanalysisofexperimentaldataitfindsouttheadvantagesanddisadvantagesandthenformsaconclusion.Itprovidessomehelpsforthecameracalibrationmethod'sfurtherexplored.Keywordscameracalibrationphotogrammetryprincipalpointofphotographprincipaldistanceofphotograph0fx0y0。、。。。1。1、O。fOx0y01。1Fig.1Innerelementsofthecamera2、。。。Δx=x-x0k1r2+k2r4+k3r6+…Δy=y-y0k1r2+k2r4+k3r6+…r2=x-x02+y-y0{2xyrx-x0ΔxΔyxyk1k2k3。2。。2.1。。。x+Δx+l1X+l2Y+l3Z+l4l9X+l10Y+l11Z+i=0y+Δy+l5X+l6Y+l7Z+l8l9X+l10Y+l11Z+i=}0xyXYZli。。2.2。。。“”3“”。KK=fusu00fvv0001u0v0fuufvvs。1/Tab.1Theresultsofdifferentmethodsofcameracalibration/pixelx0y0fk1k2DLT-17.65051.2192787.945-3.83×10-83.98×10-15-45.07169.8862820.913-2.59×10-83.18×10-15DLT2。2mmTab.2RootmeansquareerrorofcheckpointsUnitmmmxmymzmxyzDLT0.3760.3220.6570.4750.2440.2210.2550.241mxmymz3mxyz。DLT。。1。2DLT。3。2.3。。x∞yv-yjvxi+xj-xvvyi+yi-yvvxj+xv-xivyj+a11yji+a21xijdf+a12fji+a22xijdx0+a13yji+a23xijdy0+a14yji+a24xijd+a15yji+a25xijdω+a16yji+a26xijdκ+Li0=0yji=yj-yixij=xi-xjLi=xijyv-yi+yjixv-xi。67220113/Tab.3Theresultsofthecameracalibrationbasedonvanishingpointsofmulti-image/pixelfx0y01518.127518667.985359499.3912141515.933472670.462494494.5761471510.00670.00492.00x0.462494y2.576147。31。2。。3。。1.J.200335111384-1391.2.M.2007.3.J.2008331084-86.4.M.2003.5.J.2000101-3.6.DLTJ.2002276566-571.7.J.200934144-47.8.M.2002.9.DLTJ.200514430-32.檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸檸殠殠殠殠、、、。。。7726
本文标题:几种相机检校方法的探讨
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