three types of erode operation for segmentation refinement

* \brief An example of Image3D struct as an adaptor for any kind of point cloud to be used by our ahc::PlaneFitter * * \details A valid Image3

* \brief ParamSet is a struct representing a set of parameters used in ahc::PlaneFitter */

* \brief PlaneSeg is a struct representing a Plane Segment as a node of a graph * * \details It is usually dynamically allocated and garbage col

Data for sum of points on a same plane

\brief helper class for measuring time elapse */