python 视频逐帧保存为图片
2021-06-16 16:04
标签：val pen file write 视频 capture def sop waitkey python 视频逐帧保存为图片 标签：val pen file write 视频 capture def sop waitkey 原文地址：https://www.cnblogs.com/xiaodai0/p/9725159.htmlimport cv2
import os
def save_img():
video_path = r‘F:\test\video1/‘
videos = os.listdir(video_path)
for video_name in videos:
file_name = video_name.split(‘.‘)[0]
folder_name = video_path + file_name
os.makedirs(folder_name,exist_ok=True)
vc = cv2.VideoCapture(video_path+video_name) #读入视频文件
c=0
rval=vc.isOpened()
while rval: #循环读取视频帧
c = c + 1
rval, frame = vc.read()
pic_path = folder_name+‘/‘
if rval:
cv2.imwrite(pic_path + file_name + ‘_‘ + str(c) + ‘.jpg‘, frame) #存储为图像,保存名为 文件夹名_数字（第几个文件）.jpg
cv2.waitKey(1)
else:
break
vc.release()
print(‘save_success‘)
print(folder_name)
save_img()