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imwrite generates incorrect files by mixing up colors

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Tanguy on 15 Aug 2016
Closed: MATLAB Answer Bot on 20 Aug 2021
I'm trying to save a 22000x40000 RGB int8 image (values range from 8 to 255) in jpg. when I save the full file I get: imwrite(img_diam,'img_full.jpg')
(see first attached image)
when I save the same image cropped by one pixel I get: imwrite(img_diam(2:end-1,2:end-1,:),'img_crop.jpg')
(see second attached image)
When I crop even more I get the correct image..
Thank you for your Help. TD
  1 Comment
Swathik Kurella Janardhan
Swathik Kurella Janardhan on 17 Aug 2016
Can you share the image data(img_diam) to reproduce the issue? Also, share a screenshot of the correct image and the image data of the correct image.

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