ALEXANDRIA, Va., July 16 -- United States Patent no. 12,670,612, issued on June 30, was assigned to Beijing Zitiao Network Technology Co. Ltd. (Beijing).
"Gaze tracking method, apparatus, device, and medium" was invented by Benyi Zhang (Beijing).
According to the abstract* released by the U.S. Patent & Trademark Office: "A gaze tracking method, an apparatus, a device and a medium are provided. The method includes: extracting a plurality of feature points according to a target content displayed on the display screen, and determining first position information of the plurality of feature points on the display screen; acquiring a user's eye image captured by the camera, wherein the eye image includes a reflection image of the target content ...