李子青关于人脸识别的一本书，里面对人脸识别的具体过程介绍的很详细，是人脸识别入门的重要书籍-Lee Green on face recognition of a book, which on the face recognition of the specific process described in great detail is an important entry-Face Recognition Books

冈萨雷斯《数字图像修复》里面的程序，绿皮书，就是北京交通大学阮秋琦教授翻译的这本书。-Gonzalez " Digital image restoration," inside the program, the Green Paper is the Beijing Jiaotong University, Professor Ruan Qiuqi translated this book.

冈萨雷斯绿皮书《数字图像修复》所有的matlab代码。-Gonzalez green book "digital image restoration" all the matlab code.