2-dimensional wavelet transform (symmetric extension, bi-orthogonal)
wc = FWT2_SBS(x,L,qmf,dqmf)
2-d image (n by n array, n arbitrary)
coarsest level
low-pass quadrature mirror filter
high-pass dual quadrature mirror filter
2-d wavelet transform
A two-dimensional Wavelet Transform is computed for the matrix x. To reconstruct, use IWT2_SBS.