ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,742,892, issued on Sept. 22, was assigned to The Hong Kong Polytechnic University (Hong Kong).

"3D vision aided GNSS real-time kinematic positioning for autonomous systems in urban canyons" was invented by Li-Ta Hsu (Hong Kong) and Weisong Wen (Hong Kong).

According to the abstract* released by the U.S. Patent & Trademark Office: "In estimating a position of a vehicle utilizing a global navigation satellite system (GNSS), it is desirable to exclude outliner GNSS measurements due to navigation signals via non-light-of-sight paths from the GNSS to the vehicle, but it leads to a distorted satellite geometry distribution. Complementariness between low-lying visual landmarks and healthy ...