人脸库,AT&T人脸库_92x112_7x10张,CMU_PIE人脸库_64x64_68x49张,FG-NET_分辨率未对齐_约82x12张,lfw,ORL_92x112_40x10张,UMIST人脸库_pgm格式_约20x20张,Yale人脸库_100x100_15x11张