Inverse transform Deslauriers-Dubuc wavelets
x = IWT_DD(wc,L,D)
1-d wavelet transform; length(w) = 2^J
coarsest resolution. L << J
degree of interpolating polynomials
1-d signal reconstructed from w
IWT_DD implements a 1-d inverse wavelet transform of data which arise as the outputs of point sampling devices. The ideas are described in ``Interpolating Wavelet Transforms.''