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2812005337DLT450052[],,,,,[];;DLT;[]P204[]A[]1001-8379(2005)01-0037-03AMETHODOFDIGITALCAMERACALIBRATIONBASEDONDLTMODELTIANHaoJIANGLi-xingGUOZi-zhen(InstituteofSurveyingandMapping,UniversityofInformationEngineering,Zhengzhou450052,China)Abstract:Themethodbasedondirectionlineartransformationmodelisoftenusedindigitalcameracalibration.Inthispaperamethodfordigitalcameracalibrationisdeveloped,whichusingpixelasimageelementsandthattheexitingprogramforphotogrammetryisalsocanbeusedtoprocessdigitalimages.Onthisbase,theinfluencetosystemerrorbypixeldimensionisdiscussed,andthenecessaryprecisionforpixeldimensioniscalculated.Finallytheresultofexperimentindicatesthatthismethodgainsbettereffects.Keywords:DigitalCamera;Calibration;DirectLinearTransformationmodel;Cameralensaberration1DLT[1]fx,y,x0,y0x,y[2]DLT[3]2O-XYZCCDo-xyx0y0fX,Y,ZXs,Ys,Zs[4,5])()()()()()()()()()()()(33322203331110ssssssssssssZZcYYbXXaZZcYYbXXafyyZZcYYbXXaZZcYYbXXafxx−+−+−−+−+−−=−−+−+−−+−+−−=−1111111098765111094321++++++++++++ZLYLXLLZLYLXLyZLYLXLLZLYLXLx22116113828120053xy201201)()(ryykyrxxkx−=∆−=∆20202)()(yyxxr−+−=3k1211111098765111094321++++++∆++++++∆ZLYLXLLZLYLXLyyZLYLXLLZLYLXLxx424631X,Y,Zfx,yx0,y0x,yf1f[2]4xydxdyxydxdydxdyx,ydxdyxydxdydxdydy=adx2ryykyrxxkx)()(01201−=∆−=∆202202)()(yyaxxr−+−=5CCDxlxyly,xnx,ynylx=nxdxly=nydya)/(/xyyxxylnlndda==6a2/122])/()/[(/ylxlalmlmamyx+=7lmlmlmlylxlyx///=≈)/)(2/1(/amlmal=84x∆a)()(0201'yyxxakx−−=∆9aam'xd∆xammyyxxakxdaa∆=−−=∆)/2())((22001'10)/')(2/1(/'xxdama∆∆=115'=∆x1.0'=∆xdama/1/100107lml/)'/')(22/1(/xxdlml∆∆=121/1405aa58111514402560×2812005339SonyDSC-F707xya4101x0,y0,f,k1Xs,Ys,Zsmm21x0y0fk1XsYsZsφωκ1106.01741.211730.424.2×10-83209.01582.172.680.0048681.6632160.35325421X∆1Y∆1Z∆∆=212121ZYX∆+∆+∆1-0.010.230.250.2820.03-0.120.200.213-0.020.15-0.120.1940.030.030.300.3050.05-0.15-0.100.190.05mm20.30mm6DLT[1],.CCD[J].,2002,42(9).[2].[J].,2002,27(3).[3].[D].:,2004.[4].[M].:,1979.[5].[M].:,1985.[]2004-10-29[](1978),,,,.(36)DTMDTMDTMDTMDTMDTM,[1],.[M].:,1997.[2].VirtuoZoNT.1999.[3][4],.[M].:,2000.[5],.AutoCAD2000ARX[M].:,2000.[]2004-07-21[](1979),,,,基于DLT模型的一种数码相机检校方法作者：田浩，蒋理兴，郭子臻，TIANHao，JIANGLi-xing，GUOZi-zhen作者单位：信息工程大学,测绘学院,河南,郑州,450052刊名：四川测绘英文刊名：SURVEYINGANDMAPPINGOFSICHUAN年，卷(期)：2005,28(1)参考文献(5条)1.冯文灏非地形摄影测量19852.王之卓摄影测量原理19793.王宝丰计算机视觉工业测量系统的建立与标定[学位论文]20044.冯文灏数码相机实施摄影测量的几个问题[期刊论文]-测绘信息与工程2002(03)5.骆文博;王广志基于线阵CCD的高精度位置检测[期刊论文]-清华大学学报(自然科学版)2002(09)本文链接：