MATLAB: Convert mat file to jpg

image processing

hello guys i have mat files with the size of 512*1024*128 where 128 is the number of images and 512*1024 is the size of the image all i am trying to do is to convert these images to ipg or png files with order so the first image is 1.png and the second image is 2.png till 128.png

thanks for your assist

Best Answer

A slight adaptation of the FAQ to extract your images from your 3-D array

imageArray = array3d(:, :, k);

rather than calling imread()

imageArray = imread(fullFileName);

and you should be all set: https://matlab.wikia.com/wiki/FAQ#How_can_I_process_a_sequence_of_files.3F

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MATLAB: Concat of 3d mat files in a folder

With a loop:

Folder = 'C:\Your\Path';  % Adjust the path to your needs
List   = dir(fullfile(Folder, '*.mat'));
C      = cell(size(List));
for k = 1:numel(List)
  Data = load(fullfile(Folder, List(k).name));
  M    = Data.??? % Unfortunately you do not reveal what in the MAT files is.
  % Perhaps:
  % M = Data.Value;
  C{k} = imresize(M, [512, 512]);  % See KSSV's answer
end
Result = cat(3, C{:});
save('Output.mat', 'Result');

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Best Answer

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