1 function y = sfb2D(lo, hi, sf1, sf2)
3 % 2D Synthesis Filter Bank
6 % y = sfb2D(lo, hi, sf1, sf2);
8 % lo, hi - lowpass, highpass subbands
9 % sf1 - synthesis filters for the columns
10 % sf2 - synthesis filters for the rows
15 % WAVELET SOFTWARE AT POLYTECHNIC UNIVERSITY, BROOKLYN, NY
16 % http://taco.poly.edu/WaveletSoftware/
24 lo = sfb2D_A(lo, hi{1}, sf2, 2);
25 hi = sfb2D_A(hi{2}, hi{3}, sf2, 2);
27 % filter along columns
28 y = sfb2D_A(lo, hi, sf1, 1);