...s_someone_arr)print("Faces in Database:", len(features_known_arr))# Dlib 检测器和预测器# The detector and predictor will be useddetector = dlib.get_frontal_face_detector()predictor = dlib.shape_predictor('data/data_dlib/shape_predictor_68_face_landmarks.dat')# 创建 cv2 摄像头对象# cv...