<< FTWT2_YM Periodic Meyer Wavelet Transform Tools FWT_YM >>

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FWT2_YM

2d Forward Wavelet Transform (periodized Meyer Wavelet)

Calling Sequence

wc = FWT2_YM(x,deg,L)

Parameters

Inputs:

x :

2-d signal; size(x) = [2^J,2^J]

deg :

degree of polynomial window 2 <= deg <=4

L :

Coarse Level for V_0; L << J

Outputs:

w :

2-d wavelet transform of x; 2^J by 2^J.

Description

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. To reconstruct use IWT2_YM.

See also

Authors

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