Jeremy, the box filter for color images I told you about needs hue and saturation. I can't just apply the grayscale version of the box filter to all channels independently, from what I have read it leads to bad results. So I will have a general case where you can apply the grayscale box filter to any number of channels you want, and the other case is specifically for color images where I will use that algorithm.
But I am not sure about one thing. When they say for an algorithm you need to go to HSI, do they mean you MUST use HSI only, or it is ok to use other formulas for hue and saturation like in HSV or HSL. The author is not clear about these things, sometimes he says use HSI and sometimes he says you can use either HSI or HSL or whatever.
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