ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,390,734, issued on Aug. 19, was assigned to Niantic Spatial Inc. (San Francisco).
"Refining camera re-localization determination using prior pose model" was invented by Ben Benfold (Oxford, Great Britain) and Victor Adrian Prisacariu (Oxford, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure describes approaches to camera re-localization that improve the speed and accuracy with which pose estimates are generated by fusing output of a computer vision algorithm with data from a prior model of a geographic area in which a user is located. For each candidate pose estimate output by the algorithm, a game server maps the esti...