wden.m File Reference

Detailed Description

Wavelet De-noising.

This function uses MATLAB Wavelet toolbox swt() and wthresh() functions to de-noise the rows of X.

References

[1] M. Misiti, Y. Misiti, G. Oppenheim, and J.-M. Poggi, Wavelet Toolbox User’s Guide R2012b. Mathworks, 2012.

Definition in file wden.m.

Go to the source code of this file.

Functions
function	wden (in X, in no_levels, in thresholds, in waveletname)

Function Documentation

function wden	(	in	X,
		in	no_levels,
		in	thresholds,
		in	waveletname
	)

Parameters

X
no_levels	Number of times the signal will be decimated
thresholds	Vector of thresholds, one value for each level. Thresholds are best determined by using the SWT denoising 1-D GUI tool from the Wavelet toolbox
waveletname	examples: 'haar', 'db2', 'db3' (see Wavelet toolbox)

Returns

X