Eye tracking apparatus, eye tracking method, eye state...

Details Eye tracking apparatus, eye tracking method, eye state... Eye tracking apparatus, eye tracking method, eye state...

2007-04-24

2007-04-24

Dang, Hung Xuan (Department: 2873)

Image analysis

Applications

Target tracking or detecting

C382S104000

Reexamination Certificate

active

10763209

ABSTRACT:
Obtaining an image frame picked up by a camera2through a cable C, a CPU10of a computer1identifies an eye area in the image frame and stores a template indicating the identified area as a tracking template. Moreover, the CPU10identifies an eye area in an image frame to be obtained subsequently on the basis of the tracking template, and calculates a correlation value between the template of the identified area and the tracking template. Furthermore, when the calculated correlation value is larger than a threshold stored in an HD11in advance, the CPU10stores the template indicating the identified area in the RAM12as a tracking template, so as to update an eye area in a series of two image frames in chronological order.

REFERENCES:
patent: 5410376 (1995-04-01), Cornsweet et al.
patent: 6-32154 (1994-02-01), None
patent: 10-236181 (1998-09-01), None
patent: 2000-163564 (2000-06-01), None
patent: 2000-301962 (2000-10-01), None
patent: 2001-43382 (2001-02-01), None

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