人脸识别中经常用到的orl数据库，库大小是每人10幅，共有40人的人脸图像-Face Recognition frequently be used orl databases, database size is 10 per person, a total of 400 face images

包含了orl人脸库，共40个人，每个人10个图片。适合做人脸识别用-Orl face database contains a total of 40 individuals, each 10 pictures. Suitable for face recognition with