Python 用dlib检测视频人脸，（简化版）

# coding=utf-8
import cv2
import dlib

detector = dlib.get_frontal_face_detector()  #使用默认的人类识别器模型


def discern(img):
    gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
    dets = detector(gray, 1)
    for face in dets:
        left = face.left()
        top = face.top()
        right = face.right()
        bottom = face.bottom()
        cv2.rectangle(img, (left, top), (right, bottom), (0, 255, 0), 2)
        #cv2.imshow("image", img)


cap = cv2.VideoCapture("http://admin:admin@192.168.1.139:8081/")
while True:
    ret, img = cap.read()
    discern(img)
    cv2.imshow("image", img)
    if cv2.waitKey(1) & 0xFF == ord(‘q‘):
        break

cap.release()
cv2.destroyAllWindows()