课堂上用人脸识别“记录分析”学生表情?我反对!
http://baijiahao.baidu.com/s?id=1600711273553907958&wfr=spider&for=pc
http://www.sohu.com/a/232188256_198170
http://baijiahao.baidu.com/s?id=1600764908252383300&wfr=spider&for=pc
原文:https://www.cnblogs.com/littlehb/p/11632355.html