what is the tolerance factor of entropy function used in matlab program to find entropy of image?

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ammu v 2021-9-14

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https://ww2.mathworks.cn/matlabcentral/answers/1453009-what-is-the-tolerance-factor-of-entropy-function-used-in-matlab-program-to-find-entropy-of-image

评论： Abhishek Kolla 2021-11-3

e = entropy(I) , which calculates the entropy of the image in matlab. What is the tolerance factor used in this function, and is there any way to varry it?

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Abhishek Kolla 2021-11-3

Entropy is calculated using the formula -sum(p.*log2(p)) where p contains the normalised histogram counts taken from the input image. There is no tolerance factor involved in this calculation

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