NOT_SET            87 samples/cpp/grabcut.cpp     rectState = NOT_SET;
NOT_SET            88 samples/cpp/grabcut.cpp     lblsState = NOT_SET;
NOT_SET            89 samples/cpp/grabcut.cpp     prLblsState = NOT_SET;
NOT_SET           184 samples/cpp/grabcut.cpp             if( rectState == NOT_SET && !isb && !isf )