BANK OF FITERS (Under Construction)
Data Sets
1 D
California Earthquakes
data file, and postscript file.
Turbulence Data Set
data file, and postscript file.
Galaxy Data Set
data file, and postscript file.
Fiat Stock Market Prices Data Set
data file, and postscript figure.
Coke Stock Market Prices Data Set
data file, and postscript figure.
Sound Data Set: Word ``Armadillo.''
data file, and postscript figure.
2 D
Some test images 256x256
bird image.
Use I1 = imread('C:\location_directory\bird.gif','gif');
to import it into matlab.
cameraman image.
lena image.
The Lena (or Lenna) picture
is one of the most widely used standard test images used for
compression algorithms. The comp.compression FAQ says the following:
'Lena' or 'lenna' is a digitized Playboy
centerfold, from November 1972. (Lenna is the spelling in Playboy,
Lena is the Swedish spelling of the name.) Lena Soderberg (ne
Sjooblom) was last reported living in her native Sweden, happily
married with three kids and a job with the state liquor monopoly.
In 1988, she was interviewed by some Swedish computer related
publication, and she was pleasantly amused by what had happened to
her picture. That was the first she knew of the use of that
picture in the computer business. A scan of the original Lenna
from Playboy is available at
http://www.cs.cmu.edu/~chuck/lennapg/lenna.shtml. The editorial in
the January 1992 issue of Optical Engineering (v. 31 no. 1)
details how Playboy has finally caught on to the fact that their
copyright on Lena Sjooblom's photo is being widely infringed.
Although Playboy is notorious for cracking down on illegal uses of its
images, it has decided to overlook the widespread distribution of
this particular centerfold.
circles image.
Alfred Haar
The image of Alfred Haar and the data set.
In S+:1. > haar_scan("haar.dat") 2. >haar_matrix(haar, 256,256)
The image needs some wavelet based denoising work. The best wavelet for the task
is ....
data file, and postscript file.
Buff
Buff is a two year old neutered male American Staffordshire Terrier who lived in Raleigh, NC with
George MacKenzie. Buff is now likely in Oregon. His hobbies include chasing tennis balls, sleeping
on pillows, and obedience training.
data file, and postscript file.
Liver
The file contains 256*256 pixel values for an ultrasound image of liver. The data
should be transformed to matrix first. For instance in Splus:
> liii_scan("Liver")
> image(t(matrix(liii, 256, 256)))
data file, and postscript file (containing small research proposal, as well.
Ultrasound image is courtesy of Ahmed Morsy.
Algorithms
Splus 
Tutorial
Lagarias-Daubechies' Algorithm in Action.
WaveThresh by Guy Nason.
DATA ANALYTIC WAVELET THRESHOLDING PACKAGE by R.T. Ogden and E. Parzen. (Needs Wavethresh)
S-Plus Programs for Siguira's Method of Approximating the Moments of Order Statistics (Needs S+Wavelets)
Mathematica
Mathematica Program for Discrete Wavelet Transform and its inverse.
Use of waves.m Postscript File (Appendix to Wavelets for Kids.
Links to other software
Matching Pursuit Package, Megawave, Wave1, Wave2, Malvar (Mallat)
Cohen's Mathematica Software
WaveLab .701
Kwong's MATLAB Implementation of W-Matrix Multiresolution Analyses.
This is a Matlab toolbox for W-Matrix Multiresolution Analyses, including
documentation.
Misc
Cohen's Earthquake Data Set and a PS view
Please send comments and updates to brani@isye.gatech.edu .
