[Magick-bugs] Total ink density not preserved with JPEG compression

[arcanaimperii at imagemagick.org]

> Since it's a product of the JPEG compression and not the colorspace

This problem would not be specific to ImageMagick.  Is there a standard
for modulating CMYK for lossy JPEG?  Have you tried increasing the
compression quality (e.g. -quality 100)?

> I can provide a sample image and ICC profiles if required.

Post a URL to the image here and we'll take a look.