how to compare two variances of two RGB image

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bay rem 2016-2-5

编辑： bay rem 2016-2-5

i calculate for each image its variance like below:

for i=1:3
   Var(i) = var(reshape(im1(:,:,i),[],1));
end

how can i then compare the two variances to find wich image have max variance?

Walter Roberson 2016-2-5

That code is giving you three variances for each image, which does not allow you to decide which image has the maximum variance.

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