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   -> Volume 4, Issue 5


Software: Wavelet Toolbox for Matlab (Version 1.0)
 
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nuria@tsc.uvigo.es (Nuria Gonzalez Prelcic )
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PostPosted: Tue Dec 03, 2002 11:34 am    
Subject: Software: Wavelet Toolbox for Matlab (Version 1.0)
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Software: Wavelet Toolbox for Matlab (Version 1.0)

Uvi_Wave version 1.0

WAVELET TOOLBOX for MATLAB

I am pleased to announce you the Wavelet Toolbox for Matlab called "Uvi_Wave".
It is available by anonymous ftp at the following sites:

ftp.tsc.uvigo.es
(directory: doc/tech-reports/1994

or

ftp.cesga.es
(directory: /pub/Uvi_Wave/matlab/)


This Wavelet Toolbox for Matlab intends to help the researches and education
professionals interested on any of the possibilities that Wavelet Processing
offers. We hope the tools developed into a widely used environment as Matlab,
can be useful for the scientific community.

In the next paragraphs, a short description of the main features of the
Uvi_Wave Toolbox can be found.


* Discrete Wavelet Transform: calculation and visualization of the Discrete
Wavelet Transform (DWT) and Inverse Discrete Wavelet Transform (IDWT) for an
unidimensional or bidimensional signal. No restrictions on signal length.

* Scale Function and Wavelet Function: calculation and visualization of
the discrete approximation to the scale and wavelet functions, obtained
from the cascade algorithm.

* Multiresolution analysis: the objective of these routines is the
representation of the information into a set of approximation signals
and detail signals at different resolutions.

* Non subsampled filter bank: the routines that implement this structure
can be useful for singularity detection.

* Wavelet design: design of a set of filters that lead to the wavelet
decomposition and reconstruction. The selected design algorithms includes
orthogonal (Daubechies filters) and biorthogonal (Spline solution) families.

In addition some demos and utilities for subband managing and viewing
have been included.


Despite the functions are clearly commented, we are working on the
documentation. We are also finishing a second version that includes
functions to work with wavelet packets, other filter generation algorithms
and some tools to analyze filter regularity.

Comments, suggestions and bug reports will be greatly appreciated. The mail
address for any question or comment is :

Uvi_Wave@tsc.uvigo.es



Nuria Gonzalez Prelcic
Sergio J. Garcia Galan

Departamento de Tecnologias de las Comunicaciones
Universidad de Vigo
SPAIN
All times are GMT + 1 Hour
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