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http://html5online.com.cn/articles/2012081003.html
http://xudelong.top/?p=234
http://html5online.com.cn/articles/2012081003.html
http://www.html5rocks.com/zh/tutorials/getusermedia/intro/
http://www.meaningnet.cn/news/2015100976.html HTML5开发：基于H5的人脸识别技术
http://www.smartjava.org/content/face-detection-using-html5-javascript-webrtc-websockets-jetty-and-javacvopencv
http://my.oschina.net/u/574928/blog/394346 H5拍照应用开发经历的那些坑儿
http://www.thinksaas.cn/group/topic/346022/
http://my.oschina.net/hxwny/blog/498708