ALEXANDRIA, Va., June 19 -- United States Patent no. 12,333,822, issued on June 17, was assigned to BEIJING XIAOMI MOBILE SOFTWARE Co. LTD. (Beijing).

"Method and apparatus for vehicle positioning" was invented by Hao Li (Beijing), Chi Zhang (Beijing), Hao Liu (Beijing), Kun Guo (Beijing), Kuiyuan Yang (Beijing), Rui Cai (Beijing) and Zhiwei Li (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method and an apparatus for vehicle positioning. The method includes: acquiring a distance transformation image of a road marking object in a road image based on the road image of an environment where a vehicle is located at a current time point; acquiring a vector subgraph of the road marking object from a glo...