分类：实时调取摄像头

2020
11-25

python 实时调取摄像头的示例代码

调取摄像头的实现importnumpyasnpimportcv2cap=cv2.VideoCapture(0)#参数为0时调用本地摄像头；url连接调取网络摄像头；文件地址获取本地视频while(True):ret,frame=cap.read()#灰度化gray=cv2.cvtColor(frame,cv2.COLOR_BGR2GRAY)cv2.imshow('frame',gray)#普通图片cv2.imshow('frame',frame)ifcv2.waitKey(1)&0xFF==ord('q'):breakcap.release()cv2.destroyAllWindows()opencv代码#-*-coding:utf-8-*-"""Spyd... 继续阅读 >