opencv调用摄像头/视频 

import cv2
import numpy
cap=cv2.VideoCapture(0)#参数可改成视频路径
while True:
    ret,frame=cap.read()
    print(ret,frame)
    cv2.imshow('frame',frame)
    if cv2.waitKey(1) and 0xFF==ord('q'):
        break
posted @ 2020-09-12 11:12  diracy  阅读(136)  评论(0)  编辑  收藏  举报