ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,493,990, issued on Dec. 9, was assigned to Advanced Micro Devices Inc. (Santa Clara, Calif.) and ATI TECHNOLOGIES ULC (Markham, Canada).

"Locking mechanism for image classification" was invented by Steven Tovey (Milton Keynes, Great Britain), Jimmy Stefan Petersson (Stockholm), Thomas Arcila (Paris), Zhuo Chen (Markham, Canada), Stephan Hodes (Munich), Colin Riley (Edinburgh, Great Britain) and Sylvain Daniel Julien Meunier (Annecy, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A first frame of a video stream is obtained. The first frame is defined by a plurality of pixels associated with a set of color data. A determination is made that a pixel ...