[argyllcms] Re: Profile input white not mapping to output white

  • From: Iliah Borg <ib@xxxxxxxxxxx>
  • To: argyllcms@xxxxxxxxxxxxx
  • Date: Fri, 23 Nov 2012 19:08:57 -0500

Dear Gerhard,

> seems you are facing an extrapolation issue beyond the media white point. The 
> .ti3 file covers only the RGB 0...53 range, and there are no data points in 
> the 53...100 range. Particularly non-parametric models (i.e. CLUT profiles) 
> can suffer severely when they need to extrapolate such a big range (-aG would 
> likely do a better extrapolation job here).


Iliah Borg

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