Forward Wavelet Transform (symmetric extension, biorthogonal, symmetric)
wc = FWT_SBS(x,L,qmf,dqmf)
1-d signal; arbitrary length
Coarsest Level of V_0; L << J
quadrature mirror filter (symmetric)
quadrature mirror filter (symmetric, dual of qmf)
1-d wavelet transform of x.
1. qmf filter may be obtained from MakePBSFilter 2. usually, length(qmf) < 2^(L+1) 3. To reconstruct use IWT_SBS
Based on the algorithm developed by Christopher Brislawn.
See "Classification of Symmetric Wavelet Transforms"