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Wavelab Toolbox >> Wavelab Toolbox > Tools for DeNoising Signals with White Gaussian Noise > CohWave

CohWave

Denoising of 1-d signal with wavelet thresholding.

Calling Sequence

out=CohWave(Noisy,L,qmf)

Parameters

Inputs:

Noisy:

1-d Noisy signal, length(Noisy)= 2^J.

L :

Low-Frequency cutoff for shrinkage (e.g. L=4), Should have L << J!, Optional, Default = 3.

qmf :

Quadrature Mirror Filter for Wavelet Transform,, Optional, Default = Symmlet 4.

Outputs :

out :

Estimate, obtained by applying thresholding on wavelet coefficients.

Description

Denoising of signal contaminated with another signal using coherent structures algorithm.

Authors

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