Experimental results on ORL,Yale and AR face datasets show that pseudo-PCA,-2DPCA,-MatPCA and-(2D)~2PCA based on the correlation metric outperform PCA,2DPCA,MatPCA and(2D)~2PCA based on the Euclidian distance.

• 在ORL,Yale和AR等人脸数据集上的实验表明,该类方法的识别率高于相应的基于欧氏距离的PCA,2DPCA,M atPCA和(2D)2PCA等方法。