根据pca主程序分析的人脸识别。测试集用于训练特征脸空间，测试集是一张人脸一张动物脸，程序目的是识别出人脸与非人脸-Face recognition based on the analysis of the main pca. Test set for training Eigenface space, a test set is a human face animal face, the program aims to identify the face and non-face