System for analyzing eye responses to automatically...

Details System for analyzing eye responses to automatically... System for analyzing eye responses to automatically...

2007-11-02

2009-11-10

Hasan, Mohammed (Department: 2873)

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Objective type

C351S211000

Reexamination Certificate

active

07614745

ABSTRACT:
The impairment determination system automatically determines impairment of a subject based on pupil movement, as well as pupil responses to illumination and target tracking for either eye or both eyes simultaneously. The impairment determination system automatically processes a series of digital image frames, taken during the execution of a predetermined test protocol, to determine pupil location, size, and responsiveness to changes in illumination, which data are used by the impairment determination system to determine impairment of the subject. The present impairment determination system uses a method for quickly and accurately localizing the subject's pupils, as well as their boundaries, area, and center coordinates, which data is used as part of the impairment determination process.

REFERENCES:
patent: 5137345 (1992-08-01), Waldorf et al.
patent: 6120461 (2000-09-01), Smyth
patent: 6193373 (2001-02-01), Apple et al.

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