Patent ID: 11867900
Assignee: META PLATFORMS TECHNOLOGIES, LLC
Field: Computer technology (Electrical engineering)
Classification: CPC G  H  Y | IPC G  H

Claim 6:
7. The eye-tracking method of claim 1, further comprising:
enabling a first grouping of light sources of the array of light sources;
obtaining a first image of the eye while the first grouping of light sources are enabled;
enabling a second grouping of light sources of the array of light sources;
obtaining a second image of the eye while the second grouping of light sources are enabled;
comparing a brightness of the pupil in the first image with a brightness of the pupil in the second image; and
determining that the pupil is aligned with the first grouping of light sources in response to determining that the pupil in the first image is brighter than the pupil in the second image.