RE: =Color constancy and metamerism
RE: =Color constancy and metamerism
- Subject: RE: =Color constancy and metamerism
- From: "Mark Rice" <email@hidden>
- Date: Tue, 20 Sep 2005 17:21:11 -0400
Note that I took back my comment about the single sample - the two samples
are the original dress, and the photograph of it.
Mark
-----Original Message-----
From: Ken Fleisher [mailto:email@hidden]
Sent: Tuesday, September 20, 2005 5:03 PM
To: Mark Rice
Subject: Re: =Color constancy and metamerism
On Sep 20, 2005, at 4:53 PM, Mark Rice wrote:
> I don't think so - metamerism can occur with a single sample.
That's not correct. Metamerism, by definition, requires two samples.
Your example of the dress and it's photo reproduction is correctly
considered metamerism. You have two samples--the dress and the reproduction!
Poor example to make your case. ;-)
> By the way, Edwin Land, ... he was able to produce a full color
> picture! It was somewhat desaturated, but it did indeed contain all
> the colors of the original subject!
Well, not "all" of the original colors by a long shot, but many more than
you would expect from a two color reproduction.
Ken Fleisher
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