一个典型的人脸识别系统主要包括训练过程和识别过程。训练过程主要完成将已知人脸进行定位、特征提取与选择、以及分类器的设计；识别过程则完成将未知图片进行处理，并最终识别出身份的分类和决策-A typical face recognition system mainly include the training process and the identification process. Completion of the training process will be the main face