65     vector<Point2f> points[2];  in main()  local
82             goodFeaturesToTrack(gray, points[1], MAX_COUNT, 0.01, 10, Mat(), 3, 0, 0.04);  in main()
83             cornerSubPix(gray, points[1], subPixWinSize, Size(-1,-1), termcrit);  in main()
86         else if( !points[0].empty() )  in main()
92             calcOpticalFlowPyrLK(prevGray, gray, points[0], points[1], status, err, winSize,  in main()
95             for( i = k = 0; i < points[1].size(); i++ )  in main()
99                     if( norm(point - points[1][i]) <= 5 )  in main()
109                 points[1][k++] = points[1][i];  in main()
110                 circle( image, points[1][i], 3, Scalar(0,255,0), -1, 8);  in main()
112             points[1].resize(k);  in main()
115         if( addRemovePt && points[1].size() < (size_t)MAX_COUNT )  in main()
120             points[1].push_back(tmp[0]);  in main()
136             points[0].clear();  in main()
137             points[1].clear();  in main()
144         std::swap(points[1], points[0]);  in main()