Two standard databases from yale university and olivetti research laboratory are selected to evaluate the recognition accuracy of the proposed method . the correct recognition rate of 100 % is obtained with the orl database and yale database in all the experiments when we choose only one sample for each person . the result is better than those of other literatures 我们分别对三种图象库进行实验研究，在orl人脸图象库、 yale大学的人脸图象库以及南京理工大学人脸图象库nustfdb上只取一幅图象训练分别得到100 、 100和94的识别率。
