ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,525,104, issued on Jan. 13, was assigned to HITACHI LTD. (Tokyo).
"Surveillance system and surveillance device" was invented by Masato Tamura (Santa Clara, Calif.) and Ravigopal Vennelakanti (San Jose, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for tracking and monitoring subjects and a plurality of objects. The method may include obtaining an image, wherein the image contains the subjects and the plurality of objects; extracting the subjects and the plurality of objects in the image through first feature extraction; detecting object interactions between the subjects and the plurality of objects; and tracking, through second feature ...