code for color image with uniform background and add noise ie, white spot
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Sounds great, why don't you give it a shot and ask a specific question afterwards?
He has asked this before ( http://www.mathworks.com/matlabcentral/answers/76541#answer_86216) but apparently I didn't do enough of it for him so he's asking all over again. I'm not sure if he knows how to use imnoise() either - that does have a "Salt and Pepper" option, which adds pure white and pure black noise.
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