ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,487, issued on Nov. 18, was assigned to ClearMotion Inc. (Billerica, Mass.).
"Methods and systems for terrain-based localization of a vehicle" was invented by William Graves (Somerville, Mass.) and John Parker Eisenmann (Burlington, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of terrain-based localization of a vehicle is provided. The method may include determining the vehicle is within a threshold distance of a road segment end point and comparing a measured road profile to a reference road profile associated with the road segment. A method of identifying a track (e.g., a lane) of a road segment road profile is provided. The metho...