ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,555,413, issued on Feb. 17, was assigned to NEC Corporation Of America (Herzlia, Israel).
"Detection of a change in face gesture in images" was invented by Tsvi Lev (Tel-Aviv, Israel) and Yaacov Hoch (Ramat-Gan, Israel).
According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a computer implemented method of analyzing a sequence of images for detection of a change in face gesture, comprising: analyzing the sequence of time spaced images depicting a face of a subject to compute a baseline representation denoting a baseline state of the subject, for a respective image of the sequence of time spaced images depicting a face of a subject: extracting a...