How to extract frames from a vedio file in avi format?

Question

krishna Chauhan 2022-7-20

0
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1764365-how-to-extract-frames-from-a-vedio-file-in-avi-format

评论： krishna Chauhan 2022-7-20

I tried the code below in both mp4 and avi files. The obj.NumFrames file is blank. There is not error messgae the object is created but the parameters are 0.

obj = VideoReader('k.avi');
vid = read(obj);

Can any one guide here.

Thanks

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Answer 1

vishweshwar samba 2022-7-20

0
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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1764365-how-to-extract-frames-from-a-vedio-file-in-avi-format#answer_1011665

在 MATLAB Online 中打开

Try this

frameNo = 10;
videoReader = VideoReader('k.avi');
for i = 1:frameNo
    frame = readFrame(videoReader); % read the next video frame
end
figure;
imshow(frame); 
title('Video Frame 10');