import face_recognition as fr import pickle import os from face_recognition.face_recognition_cli import image_files_in_folder as ifi from sklearn.neighbors import KNeighborsClassifier as knc """ face_encodings() 3.    对给定的图片中的每一张人脸, 返回128-dimension人

orl、yaleA、AT&T的人脸库、MIT人脸库、ORL人脸库、Yale人脸库 格式：png、jpg、bmp、pgm、