US 12,073,015 B1
Systems and methods for calibrating eye tracking
Sebastian Sztuk, Menlo Park, CA (US); Karol Constantine Hatzilias, Sammamish, WA (US); Kirk Erik Burgess, Newark, CA (US); and Javier San Agustin Lopez, Deba (ES)
Assigned to Meta Platforms Technologies, LLC, Menlo Park, CA (US)
Filed by Meta Platforms Technologies, LLC, Menlo Park, CA (US)
Filed on Jan. 5, 2022, as Appl. No. 17/569,100.
Application 17/569,100 is a continuation of application No. 16/663,115, filed on Oct. 24, 2019, granted, now 11,269,406.
This patent is subject to a terminal disclaimer.
Int. Cl. G06F 3/01 (2006.01); G02B 27/00 (2006.01); G02B 27/01 (2006.01); G06V 40/19 (2022.01)
CPC G06F 3/013 (2013.01) [G02B 27/0093 (2013.01); G02B 27/0172 (2013.01); G06V 40/19 (2022.01); G02B 2027/0187 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A head wearable display comprising:
a fiducial associated with the head wearable display;
an imaging device configured to provide image data of tracking light associated with an eye of a user and fiducial light associated with positions of the fiducial relative to the imaging device; and
processing circuitry configured to:
identify a position of the fiducial using the image data of the fiducial light; and
determine a gaze direction using the position and the image data of the tracking light.