Re: Gamut Mapping choices in ProfileMaker 5
Re: Gamut Mapping choices in ProfileMaker 5
- Subject: Re: Gamut Mapping choices in ProfileMaker 5
- From: Graeme Gill <email@hidden>
- Date: Sun, 06 Mar 2005 18:11:21 +1100
- Organization: Argyll CMS
Roger Breton wrote:
If I go by version 2 of the ICC specs, as far as I know, there are not be 36
ways of mapping colors colorimetrically. Out of gamut colors are clipped to
the boundary of the Destination gamut and all in gamut colors are mapped at
the same relative lightness, chroma and hue angle. That's it.
Or have I got that wrong?
Partly. There are many choices as to how to clip colors to the boundary.
Even if one chooses to clip to the nearest in-gamut color, "nearest" in
which colorspace ? L*a*b* for instance, is a bad choice, because of the
way perceptually constant blue hue line is curved.
Graeme Gill.
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