这是我在卡耐基梅隆大学图片数据库下的图片。19*19的数千张包括人脸和非人脸的pgm格式的图片。用来做人脸识别的训练和测试足够了。好资源-This is my picture database at Carnegie Mellon University under the picture. 19* 19 thousands, including face and non-human face of the pgm format. Used for training and testing face recognition is enough. Good resources