ALEXANDRIA, Va., July 16 -- United States Patent no. 12,671,865, issued on June 30, was assigned to The Nielsen Co. (US) LLC (New York).

"Methods and apparatus to determine an audience composition based on thermal imaging and facial recognition" was invented by Stanley Wellington Woodruff (Palm Harbor, Fla.) and John T. LiVoti (Clearwater, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods, apparatus, systems and articles of manufacture are disclosed. An example apparatus includes a thermal image detector to determine a heat blob count based on a frame of thermal image data captured in the media environment, an audience image detector to identify a face of an audience member based on a frame of audi...