ALEXANDRIA, Va., July 23 -- United States Patent no. 12,367,608, issued on July 22, was assigned to Smart Eye AB (Gothenburg, Sweden).
"Determination of gaze direction" was invented by Torsten Wilhelm (Gothenburg, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for estimating a gaze direction of a user includes acquiring an image of a face of the user, determining an approximate gaze direction based on a current head pose and a relationship between head pose and gaze direction, determining an estimated gaze direction based on detected eye features, determining a precise gaze direction based on glint position and eye features, and combining the approximate gaze direction and at least one of the...