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Public License for the SPIHT Algorithm
Version 1.2, March 8, 2004

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The Set Partitioning In Hierarchical Trees (SPIHT) algorithm is protected
by US Patent #5,764,807 (issued June 9, 1998), US Patent #6,674,911 (issued
January 6, 2004), and other international patents and patents pending. An
implementation of the SPIHT algorithm is included herein with the gracious
permission of Dr. William A. Pearlman, President of PrimaComp, Inc.,
exclusive holder of patent rights. PrimaComp, Inc., has granted the
following license governing the terms and conditions for use, copying,
distribution, and modification of the SPIHT algorithm implementation
contained herein (hereafter referred to as "the SPIHT source code").

0. Use of the SPIHT source code, including any executable-program or
   linkable-library form resulting from its compilation, is restricted to
   solely academic or non-commercial research activities.

1. Any other use, including, but not limited to, use in the development
   of a commercial product, use in a commercial application, or commercial
   distribution, is prohibited by this license. Such acts require a separate
   license directly from Dr. Pearlman.

2. For academic and non-commercial purposes, this license does not restrict
   use; copying, distribution, and modification are permitted under the
   terms of the GNU General Public License as published by the Free Software
   Foundation, with the further restriction that the terms of the present
   license shall also apply to all subsequent copies, distributions,
   or modifications of the SPIHT source code.

NO WARRANTY

3. PrimaComp, Inc.,  dislaims all warranties, expressed or implied,
   including without limitation any warranty whatsoever as to the fitness
   for a particular use or the merchantability of the SPIHT source code.

4. In no event shall PrimaComp, Inc., be liable for any loss of profits,
   loss of business, loss of use or loss of data, nor for indirect, special,
   incidental or consequential damages of any kind related to use of the
   SPIHT source code.


END OF TERMS AND CONDITIONS


Persons desiring to license the SPIHT algorithm for commercial purposes or
for uses otherwise prohibited by this license may wish to contact
PrimaComp, Inc., regarding the possibility of negotiating such licenses:

  PrimaComp, Inc.
  851 Maxwell Drive
  Schenectady, NY 12309
  U.S.A.
  +1 (857) 231-6135
  email: bmazor@spiht.com
  http://www.cipr.rpi.edu/research/SPIHT

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