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WPDeNoise

De-Noising in an adaptively chosen WP basis

Calling Sequence

[Clean,bb,st] = WPDeNoise(x,D,qmf)

Parameters

Inputs:

x :

1-d signal to be de-noised.

D :

maximum depth of basis tree

qmf :

quadrature mirror filter for frequency splitting

Outputs:

Clean :

Cleaned signal

bb :

basis tree naming basis in which de-noising was done

st :

stat tree: statistics driving basis search

Description

1. Assumes noise level == 1 2. Uses Stein Unbiased Estimate of risk to evaluate basis 3. Uses Coifman-Wickerhauser Best Basis algorithm to select best basis

See also

Authors

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