[argyllcms] Re: LUT versus XYZ monitor profile

  • From: Graeme Gill <graeme@xxxxxxxxxxxxx>
  • To: argyllcms@xxxxxxxxxxxxx
  • Date: Tue, 22 Dec 2009 23:31:54 +1100

Nikolay Pokhilchenko wrote:

I confirm that generally XYZ-LUT profiles are tend to significant banding in 
real use.
The banding is preventing the use of -ax key for display or camera profiling. 
quality of such profiles is unacceptable (ArgyllCMS V1.0.4. I've didn't try -ax 
latest versions). IMHO, much more smoothing is needed for XYZ data in the 
darks, may be
in overall.

How are you testing this ?

Can you reproduce the problem using imdi/cctiff ?
(ie. are you sure it's not a CMM issue ?)

Graeme Gill.

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