how to get relative entropy thresholding for an image ?

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kalaivaani
kalaivaani el 11 de Oct. de 2013
Respondida: Peter Eze el 28 de Feb. de 2018
to get the only the red lesions from retinal image by subtracting the relative entropy thresholded image from tophat transformation of the same image
what is operation of entropy filter in image processing?
can i get the formula for relative entropy thresholding

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Peter Eze
Peter Eze el 28 de Feb. de 2018
Rentropy= sum(sum(X.*log(X./Y))); X and Y are either distributions or vector data from a distribution.

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