Legacy ImageMagick Discussions Archive

I should mention that using ACDSee the output is a lot closer to what I can achieve from Gimp (differences almost imperceptible were I not currently drawn to differences), than from ImageMagick, but accept that that does not mean that ACDSee and Gimp are more correct. However, they are more pleasing ...

Dear snibgo and Fred,

Thank you very much for your efforts.

I used snibgo's ImageMagick command line to produce 'img_agfa.jpg' and can confirm that this is slightly lighter than my original 'image.jpg'. Which is correct (ImageMagick or Gimp) I cannot really determine. One could say that ultimately ...

Dear Fred,

Thank's for looking into this for me; I appreciate your time. ImageMagick is a great command line tool and where I prefer to do my processing.

I will have to post to a Gimp forum to find out what they are doing with 'linear light'.

I shall also look closer at ACDSee to make sure that I ...

Dear snibgo,

Thank you for your reply. I include links to 'image.tif', 'image.jpg' (which is what I would expect), and 'Agfa.icm'.

http://202.161.120.48/image.tif

http://202.161.120.48/image.jpg

http://202.161.120.48/Agfa.icm

The process I need to use with Gimp is:

1. Import image.tif
2 ...

I have slides scanned using VueScan, saved as 64-bit TIFFs and what VueScan calls RAW. The infrared channel is stored in the alpha channel. I do it this way because I can re-process (using dust removal, for example) directly from the RAW files without the lengthy 5 to 10 min each scan normally takes ...