GRADIENT VECTOR FLOW DEMONSTRATION USING MATLAB
Chenyang Xu and Jerry Prince
Image Analysis and Communications Laboratory
Johns Hopkins University
June 17, 1997, updated on September 9, 1999


To install this software, simply unzip the file into an empty directory,
for example C:\GVF.  Make sure to ask your unzipper program to restore
the directory structure of the zipped files. 

Then read the file README.TXT