The code is based on opencv2.2, use the first library file into the input link. Edge direction histogram, the image processing operations often get the direction of the gradient angle, this code will use the histogram function of direction angle that out.

bianyuanfangxinagzhifangtu\bianyuanfangxinagzhifangtu\bianyuanfangxinagzhifangtu.cpp
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..........................\..........................\Debug\bianyuanfangxinagzhifangtu.exe.embed.manifest
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..........................\..........................\.....\bianyuanfangxinagzhifangtu.exe.intermediate.manifest
..........................\..........................\.....\bianyuanfangxinagzhifangtu.obj
..........................\..........................\.....\bianyuanfangxinagzhifangtu.pch
..........................\..........................\.....\BuildLog.htm
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..........................\..........................\.....\stdafx.obj
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..........................\..........................\ReadMe.txt
..........................\..........................\stdafx.cpp
..........................\..........................\stdafx.h
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..........................\bianyuanfangxinagzhifangtu.sln
..........................\bianyuanfangxinagzhifangtu.suo
..........................\Debug\bianyuanfangxinagzhifangtu.exe
..........................\.....\bianyuanfangxinagzhifangtu.ilk
..........................\.....\bianyuanfangxinagzhifangtu.pdb
..........................\bianyuanfangxinagzhifangtu\Debug
..........................\bianyuanfangxinagzhifangtu
..........................\Debug
bianyuanfangxinagzhifangtu
..........................\bianyuanfangxinagzhifangtu.ncb

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