利用主元分析和奇异值分解进行人脸特征提取的方法(并详细阐述其在PQRSQT中的实现过程(包括读取图像文件U计算均值脸U求特征值和特征向量(计算人脸特征参数-实现过程均给出了MATLAB代码-Using principal component analysis and singular value decomposition facial feature extraction method (and detail its in the PQRSQT in the implementation process (including the read image files U U to find the eigenvalues ​ ​ and eigenvectors (calculated facial feature parameters to calculate the mean face- implementation process are given in the program code