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FWT_PB

Forward Wavelet Transform (periodized, biorthogonal)

Calling Sequence

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

Parameters

Inputs:

x :

1-d signal; length(x) = 2^J

L :

Coarsest Level of V_0; L << J

qmf :

quadrature mirror filter (symmetric)

dqmf :

quadrature mirror filter (symmetric, dual of qmf)

Outputs:

wc :

1-d wavelet transform of x.

Description

1. qmf filter may be obtained from MakeBSFilter 2. usually, length(qmf) < 2^(L+1) 3. To reconstruct use IWT_PB

See also

Authors

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