Korean Journal of Optometry and Vision Science 2011;10(1):1-4.
Published online June 20, 2011.
가시광선 카메라를 이용한 안경형 시선 추적 시스템의 개발
임장혁, 이인범, 서종모, 권성훈, 황정민
1Electrical Engineering, College of Engineering, Seoul National University, 2Electronics and Telecommunications Research Institute, 3Department of Ophthalmology, Seoul National University College of Medicine, 4Department of Ophthalmology, Seoul National University Bundang Hospital, Seoul, Korea
Development of Video-based Eye Tracking System Using Visible Spectrum Camera
Jang Hyuk Yim, In-Bum Lee, Jong-Mo Seo, Sunghoon Kwon, Jeong-Min Hwang
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°. 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. (Korean J Optom Vis Sci 2011;10(1):1-4)
Key Words: Eye tracking, Visible light camera, Wearable device


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