12.12人脸比对 推荐

import face_recognition
import cv2

# 加载已知人脸图像和未知人脸图像
known_image = face_recognition.load_image_file("known_face.jpg")
unknown_image = face_recognition.load_image_file("unknown_face.jpg")

# 提取人脸特征
known_face_encoding = face_recognition.face_encodings(known_image)[0]
unknown_face_encoding = face_recognition.face_encodings(unknown_image)[0]

# 比较人脸特征
results = face_recognition.compare_faces([known_face_encoding], unknown_face_encoding)

if results[0]:
    print("这两张脸是同一个人！")
else:
    print("这两张脸不是同一个人。")

# 实时视频流中进行人脸比对
video_capture = cv2.VideoCapture(0)

while True:
    ret, frame = video_capture.read()
    small_frame = cv2.resize(frame, (0, 0), fx=0.25, fy=0.25)
    rgb_small_frame = small_frame[:, :, ::-1]

    face_locations = face_recognition.face_locations(rgb_small_frame)
    face_encodings = face_recognition.face_encodings(rgb_small_frame, face_locations)

    for face_encoding in face_encodings:
        matches = face_recognition.compare_faces([known_face_encoding], face_encoding)
        if True in matches:
            print("检测到已知人脸！")
            break

    if cv2.waitKey(1) & 0xFF == ord('q'):
        break

video_capture.release()
cv2.destroyAllWindows()