ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,450,872, issued on Oct. 21, was assigned to CoStar Realty Information Inc. (Arlington, Va.).

"Machine learning techniques for ground classification" was invented by Kevin Balkoski (San Mateo, Calif.), Edward Melcher (Toronto), Eleanor Crane (Sunnyvale, Calif.) and Matthieu Francois Perrinel (Berkeley, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Example systems, methods, and non-transitory computer readable media are directed to obtaining a point cloud that represents an environment based at least in part on a plurality of points in three-dimensional space; determining corresponding classifications of points in the point cloud as ground or not-...