SURF

The source code for SURF is copyrighted by the original author and the
University of North Carolina at Chapel Hill. Permission to use, copy,
modify, and distribute this software and its documentation for educational,
research, and non-profit purposes is hereby granted, provided this notice,
all the source files, and the name(s) of the original author(s) appear in
all such copies.

BECAUSE THE CODE IS PROVIDED FREE OF CHARGE, IT IS PROVIDED "AS IS" AND
WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED.