Downsample and Upsample videos in matlab
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I am working with videos in matlab and the code is taking so much time to give me results, that's why i thought downsampling and upsmaling the video could be the best solution, can anyone help me with that.
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KSSV
am 16 Jul. 2022
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Image Analyst
am 18 Jul. 2022
When using VideoWriter, it creates a new file. So all you need to do is to make sure the folder exists:
You can't append c:\resize onto your current folder because then you'd have two drive letters and two colons in the filename. Just leave off the colon off
outputFullFileName = fullfile(pwd, 'C:\resize\NewRhinos.avi')
to see.
>> fullfile(pwd, 'C:\resize\NewRhinos.avi')
ans =
'C:\Users\alabaccar\Documents\MATLAB\work\Tests\C:\resize\NewRhinos.avi'
See - that's not a proper filename.
So do this:
% Create a VideoWriter object to write the video out to a new, different file.
outputFolder = 'C:\resize';
outputFullFileName = fullfile(outputFolder, 'NewRhinos.avi');
fprintf('Creating new output file : "%s".\n', outputFullFileName)
outputVideoWriterObject = VideoWriter(outputFullFileName);
Image Analyst
am 16 Jul. 2022
I already have a demo for resizing a video. See attached.
1 Kommentar
Image Analyst
am 16 Jul. 2022
If you say that it takes too long, how long does it take and what is the maximum time you will allow? Perhaps you can use parfor and the Parallel Processing Toolbox, and a faster computer, to speed it up.
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