CPC H04N 17/002 (2013.01) [G02B 27/0093 (2013.01); G06F 3/012 (2013.01); G06F 3/013 (2013.01); G06T 7/50 (2017.01); G06T 7/80 (2017.01); H04N 23/56 (2023.01); G02B 2027/0138 (2013.01); G06T 2207/30168 (2013.01); G06T 2207/30204 (2013.01); G06T 2207/30244 (2013.01)] | 9 Claims |
1. A wearable augmented reality or virtual reality headset comprising:
an eye tracking device comprising:
an image sensor; and
a lens
a memory device; and
one or more processors configured to at least:
set a default cornea center-to-lens center distance value and store said value in the memory;
load from the memory device a distortion correction model including the cornea center-to-lens center distance value;
receive an image of an eye captured using the image sensor;
analyse the captured image to determine distortion;
update the cornea center-to-lens center distance value using said determined distortion; and
update the memory distortion model using said updated cornea center-to-lens center distance value.
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