Eye-tracking architecture for biometrics and remote monitoring
Applied Optics, Vol. 44, Issue 5, pp. 693-700 (2005)
http://dx.doi.org/10.1364/AO.44.000693
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Abstract
Eye tracking is one of the latest technologies that has shown potential in several areas, including biometrics; human-computer interactions for people with and without disabilities; and noninvasive monitoring, detection, and even diagnosis of physiological and neurological problems in individuals. Current noninvasive eye-tracking methods achieve a 30-Hz rate with a low accuracy in gaze estimation, which is insufficient for many applications. We propose a new noninvasive optical eye-tracking system that is capable of operating at speeds as high as 6-12kHz. A new CCD video camera and hardware architecture are used, and a novel fast algorithm leverages specific features of the input CCD camera to yield a real-time eye-tracking system. A field-programmable gate array is used to control the CCD camera and to execute the operations. Initial results show the excellent performance of our system under severe head-motion and low-contrast conditions.
© 2005 Optical Society of America
OCIS Codes
(100.0100) Image processing : Image processing
(100.2960) Image processing : Image analysis
(110.0110) Imaging systems : Imaging systems
(110.2960) Imaging systems : Image analysis
Citation
Ashit Talukder, John-Michael Morookian, Steve Monacos, Raymond Lam, Clayton LeBaw, and James L. Lambert, "Eye-tracking architecture for biometrics and remote monitoring," Appl. Opt. 44, 693-700 (2005)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-44-5-693
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