中文说明：人脸识别技术 FRT 是当今模式识别和人工智能领域的一个重要研究方向虽然人脸识别的研究已有很长的历史各种人脸识别的技术也很多但由于人脸属于复杂模式而且容易受表情肤色和衣着的影响 目前还没有一种人脸识别技术是公认快速有效的．
English Description：
FRT face recognition technology is now an important research area in the field of pattern recognition and artificial intelligence face recognition technology has a long history of various face recognition technology but also because face belongs to the complex schema and susceptible to the effects of face skin color and clothing there is no face recognition technology is accepted quickly and efficiently.