标签：vc 修改 frame cv2 break opencv open
#opencv读取视频文件
import cv2
import matplotlib.pyplot as plt
vc=cv2.VideoCapture('test.mp4')
#检测视频打开是否正确
if vc.isOpened():
oepn,frame=vc.read()
else:
open=False
while open:
ret,frame=vc.read()
if frame is None:
break#读完之后break
if ret==True:
gray=cv2.cvtColor(frame,cv2.COLOR_RGB2GRAY)#转成灰色帧
cv2.imshow('reslut',gray)
if cv2.waitKey(100)& 0xFF==27:
break
vc.release()
cv2.destroyAllWindows()
标签：vc,
修改,
frame,
cv2,
break,
opencv,
open
From： https://www.cnblogs.com/tgfoven/p/17028579.html