http://www.cnblogs.com/djcsch2001/archive/2012/01/31/2333960.html
高斯混合模型:http://www.cnblogs.com/zhangchaoyang/articles/2624882.html
http://www.cnblogs.com/djcsch2001/archive/2012/01/31/2333960.html
高斯混合模型:http://www.cnblogs.com/zhangchaoyang/articles/2624882.html