这是基本面识别的PCA程序代码。它写道nots（这里面5）从数据库（NOC - nots and the rest）are used as测试。PCA的性能_节目the识别性能。-This code is PCA base face recognition programme. It reads nots(here 5) faces　ORL　and the rest (noc-nots) are used as test. PCA_Performance shows the recognition performance.In order to be able to run this programme for ORL face　you need to download the face . You can google it and it is for free.