wc <- FWT_PO(x,L,qmf) where
qmf is an orthonormal quad.
mirror filter, e.g. one made by
Then x can be reconstructed by
x <- IWT_PO(wc,L,qmf).
IWT_PO(wc, L, qmf)
1-d wavelet transform: length(wc) = 2^J.
Coarsest scale (2^(-L) = scale of V_0); L << J.
quadrature mirror filter (orthonormal).
x 1-d signal reconstructed from wc.
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