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How to save multiple images in a "for" loop?

asked 2016-09-02 00:39:11 -0500

littletom gravatar image

updated 2018-09-30 05:19:38 -0500

I need to save a lot of pictures in a "for" loop.I use python,imported opencv3.0.0 library already.

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answered 2016-09-02 01:28:23 -0500

supertramp-sid gravatar image

updated 2016-09-09 08:30:53 -0500

Assuming that you want to save files from a video recording, you can do this :

import cv2

vid = cv2.VideoCapture("video.mp4")
d = 0
ret, frame = vid.read()

while ret:
    ret, frame = vid.read()
    filename = "images/file_%d.jpg"%d
    cv2.imwrite(filename, frame)
    d+=1
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2

Although I've figured it out,thank you.

littletom gravatar imagelittletom ( 2016-09-02 01:30:44 -0500 )edit
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Asked: 2016-09-02 00:39:11 -0500

Seen: 13,383 times

Last updated: Sep 09 '16