ALEXANDRIA, Va., April 7 -- United States Patent no. 12,597,252, issued on April 7, was assigned to AXIS AB (Lund, Sweden).

"Method of tracking objects" was invented by Niclas Danielsson (Lund, Sweden), Christian Colliander (Lund, Sweden), Amanda Nilsson (Lund, Sweden) and Sarah Laross (Lund, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "A computer-implemented method of tracking objects in a video sequence of a scene comprises determining a location of a sink in the scene where objects exit the scene and a location of a source where objects enter the scene; tracking a first object moving in the scene using a re-identification algorithm, wherein the first object is associated with a re-identification ...