fixed a bug with farneback flow where motion vectors were x-y swapped, added case for flow-in-region when flow is not available yet
added flow-based distortion example based on suggestion from @halfdanj
Update all example main.cpp to use default
window, rather than ofAppGlutWindow.
Merge pull request #82 from bakercp/master

Updated all example main.cpp files to use default window, rather than forcing ofAppGlutWindow.
added ofxaddons thumbnail
added erode and dilate
Merge branch 'master' of github.com:kylemcdonald/ofxCv
updated readme with draw info
minor bug in calcOpticalFlow when using lastImage and currentImage parameters
Merge pull request #90 from samatt/master

minor bug in calcOpticalFlow when using lastImage and currentImage param...
added notes about installation
Merge branch 'master' of github.com:kylemcdonald/ofxCv
added resetFlow() , fixed NaN for switching videos by selectively applying use initial flow flag. added has flow checks for offset and position
fixed spacing
implemented resetFlow() for pyrLK. clearing last image, calling resetFeaturesToTrack() and clearing prevPoints
Merge pull request #91 from samatt/inital-flow-fix

added resetFlow() , fixed NaN for switching videos by selectively applyi...
added rotate90 and moved allocation check code from imitate() to allocate()
added flip
added overloaded loadProjectionMatrix with viewportRect argument
added overloaded loadProjectionMatrix with viewportRect argument