Re: help with neural/fuzzy image color recognition


Subject: Re: help with neural/fuzzy image color recognition
From: Will Dwinnell (predictor@compuserve.com)
Date: Sun Feb 06 2000 - 00:22:54 MET


KS wrote:
"I would like to know if there exist some already written program
(preferably in C) that does the following things: takes an image in input
and classifies its pixels as belonging to classes of colors
(green, yellow, black, white, cyan, blue, magenta). The output should be
this classification, preferably shown with an output image whose pixels are
colored each with the color representative of the class the pixel belongs to
(for example all the pixels that are "near green" in the input image should
be green in the output image). The program should use neural networks and/or
fuzzy logic algorithms. Is there any kind of program that does these things?
Do you know any tool (code generators, fuzzy/neural systems) that can help
me?"

I don't know of any existing code to do this. One might define (in some
colorspace, such as RGB) the target colors and simply check pixels against
each of these, assigning the closest. I would imagine that something like
YIQ (the NTSC standard) would give better results than RGB.

Will Dwinnell
predictor@compuserve.com

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