ALEXANDRIA, Va., June 4 -- United States Patent no. 12,322,181, issued on June 3, was assigned to NAVER Corp. (Seongnam-si, South Korea).

"Method and apparatus for extracting a fingerprint of video having a plurality of frames" was invented by Seong Hyeon Shin (Seongnam-si, South Korea), Jisu Jeon (Seongnam-si, South Korea), Dae Hwang Kim (Seongnam-si, South Korea), Jongeun Park (Seongnam-si, South Korea) and Seung-bin Kim (Seongnam-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for extracting a fingerprint of a video having a plurality of frames includes obtaining a plurality of pixel value matrices from each of the plurality of frames, calculating maximum values of average pixel va...