QuadEdge          944 modules/imgproc/include/opencv2/imgproc.hpp     struct CV_EXPORTS QuadEdge
QuadEdge          122 modules/imgproc/src/subdivision2d.cpp Subdiv2D::QuadEdge::QuadEdge()
QuadEdge          128 modules/imgproc/src/subdivision2d.cpp Subdiv2D::QuadEdge::QuadEdge(int edgeidx)