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Wavelab Toolbox >> Wavelab Toolbox > Bi-Orthogonal Wavelet Transform tools > IWT_SBS

IWT_SBS

Inverse Wavelet Transform (symmetric extension, biorthogonal, symmetric)

Calling Sequence

x = IWT_SBS(wc,L,qmf,dqmf)

Parameters

Inputs:

wc :

1-d wavelet transform: length(wc)= 2^J.

L :

Coarsest scale (2^(-L) = scale of V_0); L << J;

qmf :

quadrature mirror filter

dqmf :

dual quadrature mirror filter (symmetric, dual of qmf)

Outputs:

x :

1-d signal reconstructed from wc

Description

Suppose wc = FWT_SBS(x,L,qmf,dqmf) where qmf and dqmf are orthonormal quad. mirror filters made by MakeBioFilter. Then x can be reconstructed by x = IWT_SBS(wc,L,qmf,dqmf) See also: FWT_SBS MakeBioFilter

Authors

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