用Python把.avi视频变为一帧一帧的图片代码:
import cv2
vc = cv2.VideoCapture(r'E:\muscle\four\vedio\202008121620380005SMP.avi') # 读入视频文件,命名cv
n = 1 # 计数
if vc.isOpened(): # 判断是否正常打开
rval, frame = vc.read()
else:
rval = False
timeF = 10 # 视频帧计数间隔频率
i = 0
while rval: # 循环读取视频帧
rval, frame = vc.read()
if (n % timeF == 0): # 每隔timeF帧进行存储操作
i += 1
print(i)
cv2.imwrite(r'E:\muscle\four\pre2/{}.jpg'.format(i),
frame) # 存储为图像
n = n + 1
cv2.waitKey(1)
vc.release()