Copyright 1994 by the Leland Stanford Junior University.  Copyright
1991 by the Massachusetts Institute of Technology.  All rights
reserved.
   
Developed by David J. Heeger at Stanford University, Stanford,
California and Eero P. Simoncelli at the University of Pennsylvania
This distribution is approved by Nicholas Negroponte, Director of the
Media Laboratory, MIT and by the Office of Technology Licensing,
Stanford University.

Permission to use, copy, or modify these programs and their
documentation for educational and research purposes only and without
fee is hereby granted, provided that this copyright notice appears on
all copies and supporting documentation.  For any other uses of this
software, in original or modified form, including but not limited to
distribution in whole or in part, specific prior permission must be
obtained from MIT and Stanford University.  These programs shall not
be used, rewritten, or adapted as the basis of a commercial software
or hardware product without first obtaining appropriate licenses from
MIT and Stanford University.  MIT and Stanford University make no
representations about the suitability of this software for any
purpose.  It is provided "as is" without express or implied warranty.
