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From: russotto@eng.umd.edu (Matthew T. Russotto)
Newsgroups: comp.graphics
Subject: Re: What's the best colormap for a 24 bit color image?
Message-ID: <1990Aug17.200826.9872@eng.umd.edu>
Date: 17 Aug 90 20:08:26 GMT
References: <15019@samsung.samsung.com>
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Organization: College of Engineering, Maryversity of Uniland, College Park
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In article <15019@samsung.samsung.com> mdich@schizo.samsung.com (Mike Dichiappari) writes:
>I want to display some 24 bit color images on my Mac and Sun.  Both
>machines have 8 bit display boards.
>
>What is a good algorithm or method for determining the best (or a
>very good) colormap given a 24 bit image?  I'd like the algorithm
>to work for various sized colormaps (although 256 will be most
>commonly used).

I've been told that the best algorithm is to be found in an article called
"Color Image Quantization for Frame Buffer Display", by Paul Heckbert,
Proceedings of SigGraph '82. Computer Graphics V16, N3.  I can't track
down the magazine, though.
--
Matthew T. Russotto	russotto@eng.umd.edu	russotto@wam.umd.edu
][, ][+, ///, ///+, //e, //c, IIGS, //c+ --- Any questions?