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I am completely new to Imagemagick and I need to convert different types of images to the LAB colorspace. I Am currently using this command:

magick convert "input4.tif" -flatten +profile tiff:37724 -colorspace Lab -auto-orient -intent Absolute -compress LZW "output4.tif"


The problem is that this command does not seems to work for ECI-RGB images and CMYK images. If I convert a CMYK image to LAB, the image looks completely oversaturated in magenta and cyan. If I convert an ECI-RGB image to LAB, it is a bit darker than the original.

Help would be greatly appreciated, Thanks

fmw42
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Tterhuelle
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  • What is ECI-RGB please? Can you share one of your "unhappy" TIFFs? – Mark Setchell Jun 11 '18 at 12:47
  • Probably best to do conversions (at least from eci-rgb to srgb) with profiles. Note that in ImageMagick 7, convert is replaced by magick. This will not likely help here, though. How are you viewing the results -- what tool? – fmw42 Jun 11 '18 at 19:19

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