RE: perception and measurement
RE: perception and measurement
- Subject: RE: perception and measurement
- From: Roger Breton <email@hidden>
- Date: Wed, 19 Nov 2008 06:23:07 -0500
That is very interesting Graeme. I think it is clear that, with time, the
1931 Standard Observer is going to become obsolete, in favor of a
physiologically-based Standard Observer predicated on cone fundamentals --
why didn't I attend CIC this year ?
Oh well, I can always get the proceedings :(
http://www.imaging.org/
There's a wealth of color information at the above link for anyone with a
real interest in color to tap in...
Roger
>
> Mike Eddington wrote:
> > I'd be interested in hearing comments/opinions on the flaws of the
> > standard observer model (2 and /or 10 degree).
>
> The following articles from the just concluded CIC16 may be of
> interest to you then:
>
> Physiologically-Based Color Matching Functions,
> Andrew Stockman, University College London (UK)
>
> and
>
> Method for Optimizing the Human Observer Functions,
> Christopher J. Edge, Eastman Kodak Company (USA).
>
> Andrew Stockman's review paper was particularly interesting, as
> he derives a new set of 2 degree observer matching functions
> from the Stiles and Burch 10 degree measurements. The original
> paper referred to is: A. Stockman, and L. T. Sharpe, Spectra
> sensitivities of the middle and long-wavelength sensitive cones
> derived from measurements in observers of known genotype,
> Vision Research, 40, 1711-1737 (2000).
> I understand that Stockman has a method for deriving
> CMFs tuned for any given field of view and observer age.
>
> From the paper, these new "Stockman and Sharp" fundamentals
> are to be recommended by the CIE Technical Committee 1-36 as
> an international standard for Colorimetry: CIE, [Fundamental
> chromaticity diagram with physiological axes Parts 1 and 2.
> Technical Report 170-1] Central Bureau of the Commission
> Internationale de l' Éclairage, Vienna(2007).
>
> Graeme Gill.
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