Introduction - If you have any usage issues, please Google them yourself
This document includes OpenCV2.2 edition (December 2010 launch, the latest version) a description of all API functions, including C, C++, Python OpenCV call all the interface functions, there is little development of computer vision, image processing, pattern a good reference for identification procedures. OpenCV2.2 supported executable version of Visual Studio 2010 and added the HOG pedestrian detector is really a rare good thing.