Re: A new RIP?/Aurelon Info
Re: A new RIP?/Aurelon Info
- Subject: Re: A new RIP?/Aurelon Info
- From: Graeme Gill <email@hidden>
- Date: Mon, 29 Mar 2004 15:01:31 +1000
- Organization: Color Technology Solutions
Marco Ugolini wrote:
On the other hand, since, as you state, spectral solutions are better at
accounting for metamerism, I wonder how that valuable feature could be
incorporated into ICC-based color management systems, since both pigment-
and dye-based inks are still somewhat metameric, even after some recent
remarkable improvements. Is that feasible? Are there ways to to take that
predictive element of spectral solutions and make it a workable part of
ICC-based solutions? What is in the future of ICC technologies to expand
their scope and utility in this important regard?
"spectral solutions are better at accounting for metamerism" is an ambiguous
reference. On the one hand it might mean allowing the specification of
the actual viewing illumination under which colors are to be matched,
and this is something that can be done using ICC as a storage format
(albeit non standard, and therefore hard to usefully interchange). On the
other hand it might mean attempting to reproduce the spectral behavior
of the source as accurately as possible. The latter is probably of limited
use, when there are only effectively 4 inks on current popular devices,
and the one degree of freedom that allows is often used to tackle things
like reducing the visibility of black dots, rather than trying to match the
source spectrum more accurately.
Graeme Gill.
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