OpenCV 视频的读取与处理

发表于2023-07-14|更新于2026-09-01|教程OpenCV

|总字数:69|阅读时长:1分钟|浏览量:

import cv2
import matplotlib.pyplot as plt
import numpy as np

vc = cv2.VideoCapture('test.mp4')
#检测打开是否正确
if vc.isOpened():
    open,frame = vc.read()
else:
    open = False


while open:
    ret,frame = vc.read()
    if frame is None:
        break
    if ret ==True:
        gray = cv2.cvtColor(frame,cv2.COLOR_BGR2GRAY)
        cv2.imshow('result',gray)
        if cv2.waitKey(1)  &0xFF == 27:
            break

vc.release()
cv2.destroyAllWindows()

文章作者: YuKiFuHaNe

文章链接: https://blog.yukifuhane.cn.eu.org/2023/07/14/OpenCV-%E8%A7%86%E9%A2%91%E7%9A%84%E8%AF%BB%E5%8F%96%E4%B8%8E%E5%A4%84%E7%90%86/

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