Gaussian filtering with dynamic sigma..

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Qu Zhang 2018 年 8 月 16 日

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https://jp.mathworks.com/matlabcentral/answers/415136-gaussian-filtering-with-dynamic-sigma

コメント済み: Rik 2018 年 8 月 16 日

hallo, I need use the Gaussian filter to smooth the images according to an Algorithm from a paper. it says: "smoothing the image with an 11-pixel Gaussian filter with a standard deviation of 11 pixels". it means I think, the sigma should be dynamically changed with Pixels covered by the filter. can someone help me how to achieve it? thank you in advance. Qu Z.

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Rik 2018 年 8 月 16 日

That interpretation sounds really different from what is usually meant by smoothing. How I read this, is that they had a normal Gaussian filter with an SD of 11 pixels, but that is only 11 by 11 pixels large, which seems a bit small given the the SD.

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