OON: (fwd) Wavelet Transform Software Library Available

From: Todd Veldhuizen (tveldhui@oonumerics.org)
Date: Sat May 17 1997 - 20:33:42 EST


Forwarded from NA-digest:

From: Geert Uytterhoeven <Geert.Uytterhoeven@cs.kuleuven.ac.be>
Date: Fri, 16 May 1997 11:02:11 +0200 (MET DST)
Subject: Wavelet Transform Software Library Available

This announces the availability of a Wavelet Transform Library written in C++.
Please visit

    http://www.cs.kuleuven.ac.be/~wavelets/

                WAILI -- Wavelets with Integer Lifting

                              Introduction

WAILI is a wavelet transform library. It includes some basic image
processing operations based on the use of wavelets and forms the
backbone of more complex image processing operations.

                                Features

  * Uses integer wavelet transforms based on the Lifting Scheme
  * Provides various wavelet transforms of the
    Cohen-Daubechies-Feauveau family of biorthogonal wavelets
  * Provides crop and merge operations on wavelet-transformed images
  * Provides noise reduction based on wavelet thresholding using
    Generalized Cross Validation
  * Provides scaling of images
  * Provides edge enhancement of images
  * Provides also some simple image operations (addition and
    subtraction of images)
  * Allows different image representations (RGB, YUV, Lab, ...)

                             Implementation

The software library is written in C++ and extensively uses features
of the ANSI C++ 95 Draft Standard to allow for a cleaner design. The
development was done using GNU C++ 2.7.2.x.

                              Availability

WAILI is available in source form for research purposes only and may
not be further distributed. Enquiries about the license conditions
should be directed to wavelets@cs.kuleuven.ac.be. Alternatively you
can use the online form at

     http://www.cs.kuleuven.ac.be/~wavelets/Form.html

                                 Authors

  * Geert Uytterhoeven (Geert.Uytterhoeven@cs.kuleuven.ac.be)
  * Filip Van Wulpen (Filip.VanWulpen@cs.kuleuven.ac.be)
  * Maarten Jansen (Maarten.Jansen@cs.kuleuven.ac.be)

                            Acknowledgements

This library is developed within a project on Wavelet Based
Interactive Video Communication and Image Database Consulting, funded
by the Flemish Information Technology Action Program (Vlaams
Actieprogramma Informatietechnologie), project number ITA/950244.

                              Publications

[1]
       G. Uytterhoeven, D. Roose, and A. Bultheel. Wavelet transforms
       using the Lifting Scheme. ITA-Wavelets Report WP 1.1,
       Department of Computer Science, Katholieke Universiteit Leuven,
       Belgium, November 1996.

And remember, it's written WAILI, but pronounced WILY, except in
Dutch, where it's pronounced PIEFPAK.



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