用于图像的主成分变换，完成数据压缩的目的和数据信息的提取-transformation of features

使用传统的PCA主成分法，进行人脸的识别与匹配，源程序为matlab版，本程序改写，已经将内置函数进行了替换-Use the traditional method of PCA components, face recognition and matching, source code for matlab version, the program rewritten, and has built-in functions to replace