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IWT_YM

Inverse Wavelet Transform (periodized Meyer Wavelet)

Calling Sequence

x = IWT_YM(wc,L,deg)

Parameters

Inputs:

wc :

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

L :

Coarsest Level of V_0; L << J

deg :

degree of polynomial window 2 <= deg <=4

Outputs:

Description

The Meyer wavelet transform is obtained by the command wc = FWT_YM(x,L,deg) to reconstruct x, use the IWT_YM.

The Meyer wavelet is defined in the frequency domain. The algorithm is very different from usual quadrature mirror filter algorithms. See the Ph. D. Thesis of Eric Kolaczyk.

See also

Authors

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