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- Newsgroups: comp.graphics
- Path: sparky!uunet!gatech!willis.cis.uab.edu!sloan
- From: sloan@cis.uab.edu (Kenneth Sloan)
- Subject: Re: Is there a mathematical relationship RGB -> wavelength?
- Message-ID: <1992Aug15.022451.11515@cis.uab.edu>
- Organization: CIS, University of Alabama at Birmingham
- References: <dangold1.713711275@vincent1.iastate.edu> <1992Aug13.233117.21185@cco.caltech.edu> <5760@m1.cs.man.ac.uk>
- Date: Sat, 15 Aug 1992 02:24:51 GMT
- Lines: 31
-
- In article <5760@m1.cs.man.ac.uk> lilleyc@cs.man.ac.uk (Chris Lilley) writes:
- >In article <1992Aug13.233117.21185@cco.caltech.edu>
- >nyet@cco.caltech.edu (n liu) writes:
- >...
- >>Basically, the three coordinate system was made up since we have 3 mostly
- >>independent color receptors.
- >
- >No, it was made up because matching studies showed that many colours
- >could be matched with only three lights. All colours can be matched
- >with any three colours, if you allow them the clever property of
- >negative contributions.
- >
- >This does not relate directly to the cones in the retina.
- >...
-
- Oh, really? Pray tell, what underlying mechanism do you propose to
- explain the matching studies? In your answer, please avoid mentioning
- the cones.
-
- FAQ alert - this topic has been thoroughly flogged several times in the
- last year. Someone with access to good archives ought to be able to
- find one or two cogent postings.
-
-
-
-
- --
- Kenneth Sloan Computer and Information Sciences
- sloan@cis.uab.edu University of Alabama at Birmingham
- (205) 934-2213 115A Campbell Hall, UAB Station
- (205) 934-5473 FAX Birmingham, AL 35294-1170
-