This is the use of Opencv prepared camera program, the use of Zhang Zhengyou camera calibration principle, as long as their own checkerboard shot different angles and directions of more than 12 pictures, you can get a more accurate camera internal and external reference

Filename	Size	Update
cameracaliberation	0	2017-12-31
cameracaliberation\Debug	0	2017-12-31
cameracaliberation\Debug\cameracaliberation.exe	202752	2017-12-19
cameracaliberation\Debug\cameracaliberation.ilk	1660416	2017-12-19
cameracaliberation\Debug\cameracaliberation.pdb	2673664	2017-12-19
cameracaliberation\cameracaliberation	0	2017-12-31
cameracaliberation\cameracaliberation\10_d.jpg	96914	2017-12-19
cameracaliberation\cameracaliberation\11_d.jpg	105567	2017-12-19
cameracaliberation\cameracaliberation\12_d.jpg	122697	2017-12-19
cameracaliberation\cameracaliberation\13_d.jpg	116777	2017-12-19
cameracaliberation\cameracaliberation\14_d.jpg	125110	2017-12-19
cameracaliberation\cameracaliberation\1_d.jpg	106607	2017-12-19
cameracaliberation\cameracaliberation\2_d.jpg	101875	2017-12-19
cameracaliberation\cameracaliberation\3_d.jpg	111613	2017-12-19
cameracaliberation\cameracaliberation\4_d.jpg	115462	2017-12-19
cameracaliberation\cameracaliberation\5_d.jpg	118556	2017-12-19
cameracaliberation\cameracaliberation\6_d.jpg	123183	2017-12-19
cameracaliberation\cameracaliberation\7_d.jpg	107267	2017-12-19
cameracaliberation\cameracaliberation\8_d.jpg	110507	2017-12-19
cameracaliberation\cameracaliberation\9_d.jpg	96209	2017-12-19
cameracaliberation\cameracaliberation\Debug	0	2017-12-31
cameracaliberation\cameracaliberation\Debug\cameraca.C90C8EAD.tlog	0	2017-12-31
cameracaliberation\cameracaliberation\Debug\cameraca.C90C8EAD.tlog\CL.read.1.tlog	17724	2017-12-19
cameracaliberation\cameracaliberation\Debug\cameraca.C90C8EAD.tlog\CL.write.1.tlog	756	2017-12-19
cameracaliberation\cameracaliberation\Debug\cameraca.C90C8EAD.tlog\cameracaliberation.lastbuildstate	193	2017-12-19
cameracaliberation\cameracaliberation\Debug\cameraca.C90C8EAD.tlog\cl.command.1.tlog	1444	2017-12-19
cameracaliberation\cameracaliberation\Debug\cameraca.C90C8EAD.tlog\link.command.1.tlog	13912	2017-12-19
cameracaliberation\cameracaliberation\Debug\cameraca.C90C8EAD.tlog\link.read.1.tlog	31004	2017-12-19
cameracaliberation\cameracaliberation\Debug\cameraca.C90C8EAD.tlog\link.write.1.tlog	734	2017-12-19
cameracaliberation\cameracaliberation\Debug\cameracaliberation.log	9349	2017-12-19
cameracaliberation\cameracaliberation\Debug\main.obj	875217	2017-12-19
cameracaliberation\cameracaliberation\Debug\vc120.idb	486400	2017-12-19
cameracaliberation\cameracaliberation\Debug\vc120.pdb	905216	2017-12-19
cameracaliberation\cameracaliberation\calibdata.txt	173	2017-12-19
cameracaliberation\cameracaliberation\caliberation.txt	810	2017-12-19
cameracaliberation\cameracaliberation\caliberation_result.txt	6317	2017-12-19
cameracaliberation\cameracaliberation\cameracaliberation.vcxproj	4129	2017-12-19
cameracaliberation\cameracaliberation\cameracaliberation.vcxproj.filters	945	2017-12-18
cameracaliberation\cameracaliberation\chess1.bmp	921654	2009-12-31
cameracaliberation\cameracaliberation\chess10.bmp	921654	2009-12-31
cameracaliberation\cameracaliberation\chess11.bmp	921654	2009-12-31
cameracaliberation\cameracaliberation\chess12.bmp	921654	2009-12-31
cameracaliberation\cameracaliberation\chess13.bmp	921654	2009-12-31
cameracaliberation\cameracaliberation\chess14.bmp	921654	2009-12-31
cameracaliberation\cameracaliberation\chess2.bmp	921654	2009-12-31
cameracaliberation\cameracaliberation\chess3.bmp	921654	2009-12-31
cameracaliberation\cameracaliberation\chess4.bmp	921654	2009-12-31
cameracaliberation\cameracaliberation\chess5.bmp	921654	2009-12-31
cameracaliberation\cameracaliberation\chess6.bmp	921654	2009-12-31
cameracaliberation\cameracaliberation\chess7.bmp	921654	2009-12-31
cameracaliberation\cameracaliberation\chess8.bmp	921654	2009-12-31
cameracaliberation\cameracaliberation\chess9.bmp	921654	2009-12-31
cameracaliberation\cameracaliberation\image	0	2017-12-31
cameracaliberation\cameracaliberation\image\chess1.bmp	921654	2009-12-31
cameracaliberation\cameracaliberation\image\chess10.bmp	921654	2009-12-31
cameracaliberation\cameracaliberation\image\chess11.bmp	921654	2009-12-31
cameracaliberation\cameracaliberation\image\chess12.bmp	921654	2009-12-31
cameracaliberation\cameracaliberation\image\chess13.bmp	921654	2009-12-31
cameracaliberation\cameracaliberation\image\chess14.bmp	921654	2009-12-31
cameracaliberation\cameracaliberation\image\chess2.bmp	921654	2009-12-31
cameracaliberation\cameracaliberation\image\chess3.bmp	921654	2009-12-31
cameracaliberation\cameracaliberation\image\chess4.bmp	921654	2009-12-31
cameracaliberation\cameracaliberation\image\chess5.bmp	921654	2009-12-31
cameracaliberation\cameracaliberation\image\chess6.bmp	921654	2009-12-31
cameracaliberation\cameracaliberation\image\chess7.bmp	921654	2009-12-31
cameracaliberation\cameracaliberation\image\chess8.bmp	921654	2009-12-31
cameracaliberation\cameracaliberation\image\chess9.bmp	921654	2009-12-31
cameracaliberation\cameracaliberation\main.cpp	7764	2017-12-19
cameracaliberation\cameracaliberation.sdf	13959168	2017-12-20
cameracaliberation\cameracaliberation.sln	1000	2017-12-18
cameracaliberation\cameracaliberation.v12.suo	19968	2017-12-20
cameracaliberation\catch_image_photo	0	2017-12-31
cameracaliberation\catch_image_photo\chess1.BMP	3932214	2017-12-19
cameracaliberation\catch_image_photo\chess2.BMP	3932214	2017-12-19
cameracaliberation\catch_image_photo\chess3.BMP	3932214	2017-12-19
cameracaliberation\catch_image_photo\chess4.BMP	3932214	2017-12-19
cameracaliberation\catch_image_photo\chess5.BMP	3932214	2017-12-19
cameracaliberation\catch_image_photo\chess6.BMP	3932214	2017-12-19
cameracaliberation\catch_image_photo\chess7.BMP	3932214	2017-12-19
cameracaliberation\catch_image_photo\chess8.BMP	3932214	2017-12-19
cameracaliberation\catch_image_photo\chess9.BMP	3932214	2017-12-19
cameracaliberation\image	0	2017-12-31
cameracaliberation\image\chess1.jpg	11989	2002-10-18
cameracaliberation\image\chess2.jpg	10579	2002-10-18
cameracaliberation\image\chess3.jpg	10867	2002-10-18
cameracaliberation\image\chess4.jpg	12016	2002-10-18
cameracaliberation\image\chess5.jpg	12704	2002-10-18
cameracaliberation\image\chess6.jpg	13521	2002-10-18
cameracaliberation\image\chess7.jpg	13817	2002-10-18

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