US Patent Issued to CHINA UNIONPAY on March 4 for "Method, apparatus and device for updating feature vector database, and medium" (Chinese Inventors)

ALEXANDRIA, Va., March 5 -- United States Patent no. 12,242,585, issued on March 4, was assigned to CHINA UNIONPAY Co. LTD. (Shanghai).

"Method, apparatus and device for updating feature vector database, and medium" was invented by Weipeng Wang (Shanghai), Jialiang Kang (Shanghai), Kai Bian (Shanghai) and Naigeng Ji (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application discloses a method, an apparatus, and a device for updating a feature vector database, and a medium. The method includes: acquiring a first biological feature in a service request; obtaining, according to the first biological feature, a first feature vector and a second feature vector respectively through a first alg...