ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,488,563, issued on Dec. 2, was assigned to CITIC Dicastal Co. LTD (Qinhuangdao, China).
"Hub image retrieval method and device" was invented by Zuo Xu (Qinhuangdao, China), Ning Wang (Qinhuangdao, China), Tao Tian (Qinhuangdao, China), Xi Li (Qinhuangdao, China) and Lihua Chen (Qinhuangdao, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hub image retrieval method and a device thereof for improving the retrieval accuracy of an image containing a hub. The method includes: performing feature extraction on a hub image to be processed containing a target hub, and obtaining a hub feature to be processed containing N sub-hub features, wherein the N sub-...