Re: converting printable colours
Re: converting printable colours
- Subject: Re: converting printable colours
- From: Roger Breton <email@hidden>
- Date: Fri, 16 Apr 2004 07:46:04 -0400
>
John Swift wrote:
>
> I am trying to figure out why converting files to output profiles in
>
> which none of the colours are out of gamut, produces different results
>
> using perceptive and relative rendering intents.
>
>
Because perceptual should be doing gamut compression, and relative
>
colorimetric should be clipping. Gamut compression means reproducing
>
a larger input gamut while keeping some degree of relative distance
>
between the colors. This means that to "make room" for out of gamut colors,
>
in gamut colors have to be compressed into a smaller space in the
>
gamut.
>
>
Graeme Gill.
What may not be so obvious at first is that even if the source image does
not contain any out-of-gamut colors compression nevertheless applies. That
behavior is by design.
Roger Breton | Laval, Canada | email@hidden
http://pages.infinit.net/graxx
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