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COMPUTATIONAL ARRAY CAMERA WITH DYNAMIC ILLUMINATION FOR EYE TRACKING

  • US 20150278576A1
  • Filed: 03/28/2014
  • Published: 10/01/2015
  • Est. Priority Date: 03/28/2014
  • Status: Active Grant
First Claim
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1. A method for eye tracking comprising:

  • obtaining a plurality of images of the eye from an array camera;

    detecting glint positions and a pupil edge of the eye in the plurality of the images;

    estimating a three-dimensional distance from the array camera to the pupil edge based on the glint positions;

    generating a pupil image based on selected ones of the plurality of images, the glint positions, and an estimated distance to the eye based on the estimated distance from the array camera to the pupil edge; and

    determining a pupil center position based on the pupil image and the glint positions.

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