比较牛的脸部追踪及表情识别技术

http://creatorsproject.cn/blog/%E5%AE%9E%E6%97%B6%E8%84%B8%E9%83%A8%E8%B7%9F%E8%B8%AA%E6%8A%80%E6%9C%AF%E5%8F%8D%E6%98%A0%E7%9C%9F%E4%BA%BA%E8%A1%A8%E6%83%85%E5%8F%98%E5%8C%96