二维主成分分析法:一种基于外观的人脸描述和识别的新方法-Two-dimensional principal component analysis: a new approach based on the appearance of the human face descr iption and recognition

2dpca+knn人脸识别，有人脸库，在本站左加阔的函数上编写有详细注解-2dpca+knn face recognition

pca和2dpca的MATLAB人脸识别。并且使用orl人脸数据库进行测试(PCA and 2DPCA's MATLAB face recognition. And use the ORL face database to test)