- you could take special steps to convert to a true grayscale jpg image
- you could convert the image to grayscale and write it as png or other format that is more suitable for grayscale
- you could rgb2gray the image after reading it in
- you could go back to the original dicom data and write it as png
Error with anisotropic diffusion script
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Walter Roberson on 20 Aug 2022
The great majority of gray-looking jpg images are actually rgb images.