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KMID : 1191420110100010001
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Korean Journal of Optometry and Vision Science
2011 Volume.10 No. 1 p.1 ~ p.4
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Development of Video-based Eye Tracking System Using Visible Spectrum Camera
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Yim Jang-Hyuk
Lee In-Bum
Seo Jong-Mo
Kwon Sung-Hoon
Hwang Jeong-Min
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Abstract
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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°.
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.
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KEYWORD
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Eye tracking, Visible light camera, Wearable device
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