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jnkather/matlab_block_resize.m

Created October 15, 2015 09:19
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create thumbnails of large images using Matlab blockproc and parallel processing
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matlab_block_resize.m
IMpath = 'C:\folder\input\'; % specify input/output folder
allImgs = {'filename1.tif',...
'filename2.tif'}; % specify filenames
% iterate through all images
for i=1:numel(allImgs)
fun = @(block_struct) imresize(block_struct.data,0.1);
imgOut = blockproc([IMpath,char(allImgs{i})],...
[1000 1000],fun,...
'UseParallel',true,...
'PadPartialBlocks',false);
imwrite(imgOut,[IMpath,char(allImgs{i}),'-THUMB10.tif']);
clear imgOut
disp('DONE image');
end
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