Re: On the effect of florescence [sic]
Re: On the effect of florescence [sic]
- Subject: Re: On the effect of florescence [sic]
- From: Roger Breton <email@hidden>
- Date: Fri, 04 Mar 2005 09:11:10 -0500
> What's "reasonable" to you? What's "effective" to you? In physics the
> answers are quantitative with meaningful error bars, but in color
> there is a subjective component, which even varies with the
> individual and his/her diet, mood, etc. At least that's my
> understanding, and I can't be held accountable for that...
>
> Armand
I'm trying to find a way around the subjective aspects of evaluation
involved when fluorescence is present in a paper.
When a paper is FWA-free, we can apply quantitative methods for evaluating
the performance of a profile, using a DeltaE type of metric. Just like what
Steven Konreich suggested using a ColorChecker chart.
But what happens when FWA is present in a substrate? I (maybe foolishly)
believe that it's still possible to establish quantitatively what the
colorimetric performance is. But I have not found a method, like you and
others have written, that agrees with visual perception. Maybe because I
have not succeeded in recreating UV-free viewing conditions?
Roger Breton | Laval, Canada | email@hidden
http://pages.infinit.net/graxx
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