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Subject: Re: Face recognition technique for newbie
Date: Sun, 22 Nov 2009 02:16:03 +0000 (UTC)
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 This might be too simple for what you are looking for but in case you are using color imagens try using HSV colorspace.
 This might sound strange, but all the races have the same skin color. 
The only thing that varies is the saturation of the color. You can detect skin by looking at it?s H(hue) value, with a low margin, and ignoring S (saturation)...
 Will also detect other skin areas, but it?s good place to start.