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how to calculate entropy of subband?

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maha lakshmi
maha lakshmi 2013-2-19
I have a code for 2d dual tree discrete wavelet transform please help me how to calculate entropy of subband of a image.

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Youssef Khmou
Youssef Khmou 2013-2-19
hi,
did you try this :
% Function entropy of grayscla image
I = imread('circuit.tif');
J = entropy(I)

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