Patent ID: 11934571
Assignee: TOBII AB
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G

Claim 0:
1. A method for a head-mounted device for updating an eye tracking model in relation to an eye, wherein the head-mounted device comprises an eye tracking sensor and wherein the eye tracking model relates to a position of the eye tracking sensor and other components of the head-mounted device and a model of each eye, the method comprising:
obtaining, by means of the eye tracking sensor, first sensor data in relation to the eye;
moving the eye tracking sensor along an axis parallel to a line bisecting the eyes, wherein the eye tracking sensor is moved after obtaining the first sensor data;
obtaining, by means of the eye tracking sensor, second sensor data in relation to the eye, wherein the second sensor data are obtained after moving the eye tracking sensor; and
updating the eye tracking model in relation to the eye, based on the first sensor data and the second sensor data.