Problem with save an image JPEG 2000

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K. Taieb 2020-6-3

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https://ww2.mathworks.cn/matlabcentral/answers/541148-problem-with-save-an-image-jpeg-2000

评论： K. Taieb 2020-6-3

My Matlab program allows to calculate matrix and to save each matrix as an image (JPEG 2000) in a folder. The number of images is high. During the iteration, I am receiving the following error:

what's the problem please?

Thank you!

Error using writejp2c
Library error:  "Error in Kakadu File Format Support:
Unable to open compressed data file!
"
Error in writejp2k (line 23)
writejp2c(data, filename, props);
Error in writejp2 (line 32)
writejp2k(data, map, filename, 'jp2', varargin{:});
Error in imwrite (line 546)
        feval(fmt_s.write, data, map, filename, paramPairs{:});
Error in Simulation_3D_z_positif (line 179)
    imwrite(uint16(T),['Images/E_' num2str(e) '_I_' num2str(n) '.jp2'])

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Walter Roberson 2020-6-3

在 MATLAB Online 中打开

I wonder... as a test, when the problem occurs, try executing

fopen('all')

You should only see a small number of files listed; I am wondering if there is somehow a leak of open files.

Another possibility is running out of disk space.

K. Taieb 2020-6-3

Thank you!

I confirm that no problem of disk space because sometimes the program finished the calculation until the end. But I didn't understand where I put the line (fopen('all')) because I save image by image.

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