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Article #19826Re: Perceptual Color (was: Re: Looking for Blue LEDs)
From: Julian E Gomez
Date: Tue, 11 Oct 1988 23:02
Date: Tue, 11 Oct 1988 23:02
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In article <175@leibniz.UUCP>, hwt@leibniz.UUCP (Henry Troup) writes: > I remember, long years ago (over 20, awright), seeing 'colour' on a B&W > TV. One of the standard optical illusions is a black and white rotating > disk that shows visual brown and green. Fascinatingly enough, this came > over very well on a British (25-frame? 400 line (the old British system)) TV. What you saw is known as a Fechner wheel. Bay Area SIGGRAPH had a meeting on color recently; this was one of the items discussed. Email me if you want more info. -- "Have you ever wondered if taxation without representation was cheaper?" Julian "a tribble took it" Gomez julian@riacs.edu
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!water!watmath!clyde!att!osu-cis!killer!ames!pasteur!agate!eos!riacs!julian From: julian@riacs.edu (Julian E Gomez) Newsgroups: sci.electronics,comp.graphics Subject: Re: Perceptual Color (was: Re: Looking for Blue LEDs) Message-ID: <987@hydra.riacs.edu> Date: 11 Oct 88 23:02:21 GMT References: <1138@nmtsun.nmt.edu> <862@ritcv.UUCP> <255@rna.UUCP> <4422@lynx.UUCP> <175@leibniz.UUCP> Organization: RIACS, NASA Ames Research Center Lines: 16