Description: The opencv the function cvHoughCircles of realization retrieve an image inside a circle, with a few sample pictures, you need to add your own library of opencv '
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HoughCircles
............\Debug
............\.....\HoughCircles.ilk
............\HoughCircles
............\HoughCircles.ncb
............\HoughCircles.sln
............\HoughCircles.suo
............\............\0822.bmp
............\............\0822que.bmp
............\............\Debug
............\............\.....\BuildLog.htm
............\............\hebeicrop.bmp
............\............\HoughCircles.cpp
............\............\HoughCircles.vcproj
............\............\HoughCircles.vcproj.PC2012072609QQW.Administrator.user
............\............\liaoning.bmp
............\............\qinghua.bmp
............\............\ReadMe.txt
............\............\redhebei.bmp
............\............\stdafx.cpp
............\............\stdafx.h
............\............\targetver.h
............\............\wferfgrcrop.bmp
............\............\wunrirongcrop.bmp