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http://dx.doi.org/10.5139/JKSAS.2007.35.6.539

Development of Real-Time Vision-based Eye-tracker System for Head Mounted Display  

Roh, Eun-Jung (한국과학기술원 항공우주공학과 대학원)
Hong, Jin-Sung (한국과학기술원 항공우주공학과 대학원)
Bang, Hyo-Choong (한국과학기술원 항공우주공학과)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.35, no.6, 2007 , pp. 539-547 More about this Journal
Abstract
In this paper, development and tests of a real-time eye-tracker system are discussed. The tracker system tracks a user's gaze point through movement of eyes by means of vision-based pupil detection. The vision-based method has an advantage of detecting the exact positions of user's eyes. An infrared camera and a LED are used to acquire a user's pupil image and to extract pupil region, which was hard to extract with software only, from the obtained image, respectively. We develop a pupil-tracking algorithm with Kalman filter and grab the pupil images by using DSP(Digital Signal Processing) system for real-time image processing technique. The real-time eye-tracker system tracks the movements of user's pupils to project their gaze point onto a background image.
Keywords
Eye-tracker; Infrared LED; Pupil-tracking algorithm; DSP;
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