1 function w = dwt3D(x, J, af)
3 % 3-D Discrete Wavelet Transform
6 % w = dwt3D(x, stages, af)
8 % x - N1 by N2 by N3 matrix
10 % 2) min(Ni) >= 2^(J-1)*length(af)
11 % J - number of stages
12 % af - analysis filters
14 % w - cell array of wavelet coefficients
17 % x = rand(128,64,64);
21 % max(max(max(abs(err))))
23 % WAVELET SOFTWARE AT POLYTECHNIC UNIVERSITY, BROOKLYN, NY
24 % http://taco.poly.edu/WaveletSoftware/
27 [x w{k}] = afb3D(x, af, af, af);