ALEXANDRIA, Va., April 15 -- United States Patent no. 12,602,823, issued on April 14, was assigned to Intel Corp. (Santa Clara, Calif.).
"Re-localization of robot" was invented by Xuesong Shi (Beijing), Yuxin Tian (Beijing), Sangeeta Ghangam (Chandler, Ariz.) and Dawei Wang (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for re-localization of the robot may include retrieving, for each of keyframes in a keyframe database of the robot, image features and a pose of the keyframe, the image features of the keyframe comprising a global descriptor and local descriptors of the keyframe (210); extracting image features of a current frame captured by the robot, the image features of the current frame...