4，http://wenku.baidu.com/link?url=wIs4yLspMwybtq0-IyckXg-U75CYDqAOLOdHRELliempZL9a5ibFf1TcVB9xEmPUrKuTX3vYL12icc28bKr8txACU3Yr5N5CPdocAzbhXu_
haar_adaboost_cascade阅读资料
原文：http://www.cnblogs.com/yssongest/p/4692564.html
