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24 bpp to 8 bpp

Posted on 1998-03-23
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Last Modified: 2008-03-03
I need an algorithm which passes from a BMP image of 24 bits per pixel to 8 bits per pixel
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Question by:ciri
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Author Comment

by:ciri
ID: 1112326
Edited text of question
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Author Comment

by:ciri
ID: 1112327
Adjusted points to 90
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Expert Comment

by:triso
ID: 1112328
Here's a reference to that problem:

Heckbert, P. S.  (1984).  "tECHNIQUES FOR rEAL-tIME fRAME bUFFER Animation,"   Computer FX '84 Conference, London.  (Mapping RGB Triples onto Four Bits)


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Author Comment

by:ciri
ID: 1112329
I'm going to delete this question, becouse I've resolved my own question.
It's only to create a palette (with 256 colours) and each color takes a range of 65000 of the true color.
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Accepted Solution

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danbala earned 180 total points
ID: 1112330
check out
http://gd.tuwien.ac.at/graphics/ImageMagick/
ImageMagic includes a program "convert".
The source is included, so you can check!

hope this would help you

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