Adaptive threshold segmentation method

2020 11 1
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更新时间：2020 11 1
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Hi all
i just try adaptive method for segmentation.
but i want to know what does mean by this coding
I = imread('rice.png');
BW = imbinarize(I,T);
T = adaptthresh(I, 0.4);
figure
imshowpair(I, BW, 'montage')
what is 0.4 mean?
is it percentage? 40%?

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Image Analyst
Image Analyst 2020-11-1

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They call that the sensitivity. Not really sure what it means without digging into the algorithm, but basically try different values until it works like you want. Some values may do a better job at segmentation than others.

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