ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,717,134, issued on Aug. 25, was assigned to TOBII AB (Danderyd, Sweden).
"Eye tracking system and a corresponding method" was invented by Magnus Ivarsson (Danderyd, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of calibrating an eye-tracking system for use with a camera, wherein in use the eye-tracking system obtains a plurality of images of a user's eye from the camera, uses a normalisation process to convert the images to a normalised image space based on at least one intrinsic property of the camera, and uses a gaze determination process to determine an estimate of the gaze of the user's eye based on the normalised images."
The pate...