人脸识别因其在安全验证系统、信用卡验证、医学、档案管理、视频会议、人机交互、系统公安(罪犯识别等)等方面的巨大应用前景而越来越成为当前模式识别和人工智能领域的一个研究热点。-Face recognition because of its great future security verification systems, credit card verification, medical records management, video conferencing, human-computer interaction, the system public security (criminals identification, etc.) has increasingly become the current field of pattern recognition and artificial intelligence a hot research topic.