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KMID : 1191420110100010001
Korean Journal of Optometry and Vision Science
2011 Volume.10 No. 1 p.1 ~ p.4
Development of Video-based Eye Tracking System Using Visible Spectrum Camera
Yim Jang-Hyuk

Lee In-Bum
Seo Jong-Mo
Kwon Sung-Hoon
Hwang Jeong-Min
Abstract
Purpose: An eye-tracking system with visible light video camera mounted on the eyeglass frame was designed and evaluated. This system needs no additional illumination and dose not limit the head motion.

Methods: Two visible light video cameras were mounted on the eyeglass frame and the eye position was analyzed by real-time image processing. The system was applied to five normal volunteers, and the detection rate and the tracking error range were evaluated.

Results: There were 17 failed cases among the randomly sampled 858 tracking data, which was equivalent to the 97.9% of detection rate. And the tracking error range was about 1~1.15¡Æ.

Conclusions:A light-weighted, wearable eye-tracking system was developed and showed the comparable performances with other systems. This system can be used for the medical evaluation and other research fields.
KEYWORD
Eye tracking, Visible light camera, Wearable device
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