OpenCV demo演示见本人的另一篇灌水博客 http://blog.youkuaiyun.com/soidnhp/article/details/11720801
本人源码分析见 http://blog.youkuaiyun.com/soidnhp/article/details/11880425
参考文献:《N. Dalal and B. Triggs, “Histograms of Oriented Gradients for Human Detection,”Proc. IEEE Conf. Computer Vision and Pattern Recognition,2005.》
作者源码: http://pascal.inrialpes.fr/soft/olt/
参考链接 http://www.cnblogs.com/tornadomeet/archive/2012/08/15/2640754.html
一、基本思想