Median Filter

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nayomi ranamuka
nayomi ranamuka 2011 年 4 月 6 日
Hi, I want to apply median filtering for HSI image. How would I apply it?

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回答 (2 件)

Sean de Wolski
Sean de Wolski 2011 年 4 月 6 日
doc medfilt2
Lior Shapira
Lior Shapira 2011 年 4 月 6 日
I'm assuming your problem is with the radial dimension H. What I would do is calculate the median for each pixel such that its neighborhood is centered around 0.5 (the pixel). For example for a neighborhood size of [5 5]
colfilt(img_hsv(:,:,c), [5 5], 'sliding', @(x) mod(median(mod(x - x(13) + 0.5,1)) + x(13) - 0.5,1));
Its not perfect but gives decent results

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