I have a code for dual tree wavelet transform
x = rand(64,64,3); J = 3; [Faf, Fsf] = FSfarras; [af, sf] = dualfilt1; w = dualtree3D(x, J, Faf, af); y = idualtree3D(w, J, Fsf, sf); err = x - y; max(max(max(abs(err))))for this i get the answer ,but if i replace x by my image x=imread('st.tif'), i get error,please help
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