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- Path: sparky!uunet!gatech!mailer.cc.fsu.edu!sun13!werple.apana.org.au
- From: nige@werple.apana.org.au (Nigel Senior)
- Newsgroups: comp.graphics.research
- Subject: Quantization or Colour Reduction Information required
- Summary: Can anybody help me with routines for colour reduction
- Keywords: Quantization Colour color
- Message-ID: <11654@sun13.scri.fsu.edu>
- Date: 8 Jan 93 06:17:17 GMT
- Sender: news@sun13.scri.fsu.edu
- Organization: werple public-access unix, Melbourne
- Lines: 28
- Approved: murray@vs6.scri.fsu.edu
- X-Submissions-To: graphics@scri1.scri.fsu.edu
- X-Administrivia-To: graphics-request@scri1.scri.fsu.edu
-
- : I am doing some work which involves reducing the number of colours in PCX
- : images from 256 down to around 25. Currently I am reducing colours by
- : merging similar colours, removing colours with small quantities, using
- : Heckbert's median cut technique and using Fletcher's box and merge
- : technique. While these techniques are good, reducing the number of colours
- : in an image to 25 is a bit hit and miss, hence any extra techniques would
- : be most appreciated. I am also generally after information related to
- : color comparison and transformation specifically related to perceptual
- : spaces such as CIE LUV etc. Any suggestions would be most gratefully
- : accepted.
- :
- : Thank you in advance
- : Cheers
- : Nigel Senior
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