Forward Wavelet Transform (periodized, orthogonal)
wc = FWT_PO(x,L,qmf)
1-d signal; length(x) = 2^J
Coarsest Level of V_0; L << J
quadrature mirror filter (orthonormal)
1-d wavelet transform of x.
1. qmf filter may be obtained from MakeONFilter 2. usually, length(qmf) < 2^(L+1) 3. To reconstruct use IWT_PO