Newsgroups: sci.image.processing
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From: az@saturn.analog.com (Alex Zatsman)
Subject: Re: image independent color quantization
In-Reply-To: attias@pippo.sm.dsi.unimi.it's message of 5 May 1995 15:21:16 GMT
Message-ID: <AZ.95May8170740@saturn.analog.com>
Sender: usenet@analog.com (News pseudo-user usenet)
Organization: Analog Devices Inc, Norwood MA, USA
References: <3odfpc$sqb@ghost.sm.dsi.unimi.it>
Date: Mon, 8 May 1995 22:07:40 GMT
Lines: 18


In article <3odfpc$sqb@ghost.sm.dsi.unimi.it>
attias@pippo.sm.dsi.unimi.it (Roberto Attias) writes:


>    Hi. I would like to have some suggestion about color quantization.
>    I want to use an image independent color quantization (fixed palette).
>    Can you give me some hints? 

Yes, here is one:  DON'T.
If you do it with 8 bit colors, you either have to dither your image
to approximate colors, or you'll have a significant color distortion. 
The whole reason for palettes is that 8 bits is not enough for color!

--
Alex Zatsman, Analog Devices, Inc.,
alex.zatsman@analog.com

