此方法采用经典的PCA对人脸图像进行特征提取，用libsvm库函数的SVM分类器对图像分类。,This method uses the classical PCA on the face image feature extraction, with the libsvm library function of SVM classifier for image classification.

基于matlab的二维图像PCA特征提取-PCA feature extraction from image by matlab

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