Auto calibration and personalization of eye tracking system using larger field of view imager with higher resolution
AssigneeDelphi Technologies, Inc.
InventorsGerald J. Witt, Gregory K. Scharenbroch, Jianhua Li
Life of this patent
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Abstract
In preferred embodiments, apparatus for and method of eye tracking, including, in sequence, the steps of: viewing an entire face of a person to obtain predetermined facial features of the person to identify or not the said person; if the person is identified, retrieving a previously stored ocular profile of the person based on said predetermined facial features; using said ocular profile to track movement of an eye of said person. If the person is not identified, an ocular profile is created.
Claims16
A method of eye tracking, comprising, in sequence, the steps of:
- (a) viewing an entire face of a person to obtain predetermined facial features of said person to identify or not said person
- (b) if said person is identified, retrieving a previously stored ocular profile of said person based on said predetermined facial features;
- (c) using said ocular profile to track movement of an eye of said person.
An apparatus for eye tracking, comprising:
- (a) an optical receiver to view an entire face of a person to obtain predetermined facial features and to produce a signal representative of said facial features;
- (b) infrared illumination to cause a reflection from an eye of said person;
- and
- (c) a controller to receive said signal and, if said person is recognized from said facial features, to retrieve a stored ocular profile of said reflection and to use said ocular profile for eye tracking while viewing said entire face of said person.
Dependencies are inferred from the claim text.