Based on OpenCV, the Hough transform is used to detect the straight line in the image, and the effect is good

Filename	Size	Update
hough\Debug\hough.exe	75776	2017-09-26
hough\Debug\hough.ilk	5147592	2017-09-26
hough\Debug\hough.pdb	1428480	2017-09-26
hough\hough\Debug\cl.command.1.tlog	596	2017-09-26
hough\hough\Debug\CL.read.1.tlog	15010	2017-09-26
hough\hough\Debug\CL.write.1.tlog	306	2017-09-26
hough\hough\Debug\hough.lastbuildstate	65	2017-09-26
hough\hough\Debug\hough.log	1785	2017-09-26
hough\hough\Debug\link-cvtres.read.1.tlog	2	2017-09-26
hough\hough\Debug\link-cvtres.write.1.tlog	2	2017-09-26
hough\hough\Debug\link-rc.read.1.tlog	2	2017-09-26
hough\hough\Debug\link-rc.write.1.tlog	2	2017-09-26
hough\hough\Debug\link.command.1.tlog	1966	2017-09-26
hough\hough\Debug\link.read.1.tlog	5232	2017-09-26
hough\hough\Debug\link.write.1.tlog	400	2017-09-26
hough\hough\Debug\vc110.idb	388096	2017-09-26
hough\hough\Debug\vc110.pdb	684032	2017-09-26
hough\hough\Debug\Դ.obj	213769	2017-09-26
hough\hough\hough.vcxproj	4260	2017-09-20
hough\hough\hough.vcxproj.filters	941	2017-09-20
hough\hough\Դ.cpp	893	2017-09-26
hough\hough.sln	882	2017-09-20
hough\hough.v11.suo	22016	2017-09-27
hough\hough\Debug	0	2017-10-27
hough\Debug	0	2017-10-27
hough\hough	0	2017-10-27
hough	0	2017-10-27

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