Inverse 2d Wavelet Transform
x = IWT2_SBS(wc,L,qmf,dqmf)
2-d wavelet transform [n by n array, n arbitrary]
coarse level
low-pass quadrature mirror filter
high-pas dual quadrature mirror filter
2-d signal reconstructed from wc
If wc is the result of a forward 2d wavelet transform, with wc = FWT2_SBS(x,L,qmf,dqmf) then x = IWT2_SBS(wc,L,qmf,dqmf) reconstructs x exactly if qmf is a nice quadrature mirror filter, e.g. one made by MakeBioFilter