Added tennisbal_video1 video
Added several descriptors
Added openSURF descriptor.
Improved the build system
Added openSurfMatcher
Isolated build flags for 3rd party code
Added functional test and speed comparison of open surf matcher
Improved openSurfMatcher implementation
Improved robustness and speed of openSurf. Added brief descriptor.
Added testsequence tennisball_video2
Added profiling using gprof
Masking part partly working
Added mask detection for detection
Added test class for extracting interesting tiles