ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,475,709, issued on Nov. 18, was assigned to MOTOROLA SOLUTIONS INC. (Chicago).
"Crowd anomaly detection" was invented by Aleksey Lipchin (Newton, Mass.), Maksim Bolonkin (Waltham, Mass.), Yang Liu (Medford, Mass.) and Sergey Veselkov (Ashland, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Examples provide a video security system including an electronic processor configured to detect an anomaly by obtaining video data captured using an image sensor and determining a number of people detected in each of a plurality of frames of the video data. For each moment t, the electronic processor determines an average number of people n over a time interval ...