APPARATUS AND METHOD FOR EYE TRACKING
First Claim
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1. A method for eye tracking, comprising:
- determining an eyeball area covering a subject'"'"'s eyeballs;
allowing an infrared beam element to emit light during an exposure time of a light-receiving sensor corresponding to the eyeball area; and
tracking a subject'"'"'s gaze based on reflected light emitted by the infrared beam element and reflected by the subject'"'"'s eyeballs.
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Abstract
There are provided an apparatus and a method for eye tracking. The method for eye tracking includes: determining an eyeball area covering a subject'"'"'s eyeballs; allowing an infrared beam element to emit light during an exposure time of a light-receiving sensor corresponding to the eyeball area; and tracking a subject'"'"'s gaze based on reflected light emitted by the infrared beam element and reflected by the subject'"'"'s eyeballs.
29 Citations
19 Claims
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1. A method for eye tracking, comprising:
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determining an eyeball area covering a subject'"'"'s eyeballs; allowing an infrared beam element to emit light during an exposure time of a light-receiving sensor corresponding to the eyeball area; and tracking a subject'"'"'s gaze based on reflected light emitted by the infrared beam element and reflected by the subject'"'"'s eyeballs. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An apparatus for eye tracking, comprising:
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a sensor control unit controlling exposure of a light-receiving sensor; an eye tracking unit determining an eyeball area that covers the subject'"'"'s eyeballs and checking an exposure time of the light-receiving sensor corresponding to the eyeball area; and a LED driving unit driving an infrared beam LED, wherein the eye tracking unit controls the LED driving unit so that the infrared beam LED is driven during the exposure time. - View Dependent Claims (9, 10, 11, 12, 13)
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14. An apparatus for eye tracking, comprising:
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an image processing unit extracting facial feature points from a subject to determine an eyeball area; a sensor control unit controlling exposure of a light-receiving sensor; an eye tracking unit checking an exposure time of the light-receiving sensor corresponding to the eyeball area; and a LED driving unit driving an infrared beam LED, wherein the eye tracking unit controls the LED driving unit so that the infrared beam LED is driven during the exposure time. - View Dependent Claims (15, 16, 17, 18, 19)
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Specification