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Re: Neutral grey under different lighting
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Re: Neutral grey under different lighting


  • Subject: Re: Neutral grey under different lighting
  • From: Robin Myers <email@hidden>
  • Date: Mon, 3 Sep 2007 18:53:12 -0700

It is really fairly simple:

Two (2) samples with different spectra compared to each other with a given set of viewing conditions: Metamerism

One (1) sample compared to itself in differing viewing conditions: Constancy

For metamerism:

	Match		Metamerism
	Mismatch	(no standardized term)

For constancy

	Match		Constancy
	Mismatch	Inconstancy

The lack of a defined term for the metameric mismatch is the problem. "Metameric failure" is the best so far because it is unambiguous.

Robin Myers
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 >Re: Neutral grey under different lighting (From: Roger Breton <email@hidden>)

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