Sensors 2013, 13(10), 13439-13463; doi:10.3390/s131013439

Remote Gaze Tracking System on a Large Display

1 Division of Electronics and Electrical Engineering, Dongguk University, 26 Pil-dong 3-ga, Jung-gu, Seoul 100-715, Korea 2 Electronics and Telecommunications Research Institute, 218 Gajeong-ro, Yuseong-gu, Daejeon 305-700, Korea
* Author to whom correspondence should be addressed.
Received: 1 July 2013; in revised form: 13 September 2013 / Accepted: 29 September 2013 / Published: 7 October 2013
(This article belongs to the Section Physical Sensors)
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Abstract: We propose a new remote gaze tracking system as an intelligent TV interface. Our research is novel in the following three ways: first, because a user can sit at various positions in front of a large display, the capture volume of the gaze tracking system should be greater, so the proposed system includes two cameras which can be moved simultaneously by panning and tilting mechanisms, a wide view camera (WVC) for detecting eye position and an auto-focusing narrow view camera (NVC) for capturing enlarged eye images. Second, in order to remove the complicated calibration between the WVC and NVC and to enhance the capture speed of the NVC, these two cameras are combined in a parallel structure. Third, the auto-focusing of the NVC is achieved on the basis of both the user’s facial width in the WVC image and a focus score calculated on the eye image of the NVC. Experimental results showed that the proposed system can be operated with a gaze tracking accuracy of ±0.737°~±0.775° and a speed of 5~10 frames/s.
Keywords: remote gaze tracking; large display; WVC and NVC; panning and tilting

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MDPI and ACS Style

Lee, H.C.; Lee, W.O.; Cho, C.W.; Gwon, S.Y.; Park, K.R.; Lee, H.; Cha, J. Remote Gaze Tracking System on a Large Display. Sensors 2013, 13, 13439-13463.

AMA Style

Lee HC, Lee WO, Cho CW, Gwon SY, Park KR, Lee H, Cha J. Remote Gaze Tracking System on a Large Display. Sensors. 2013; 13(10):13439-13463.

Chicago/Turabian Style

Lee, Hyeon C.; Lee, Won O.; Cho, Chul W.; Gwon, Su Y.; Park, Kang R.; Lee, Heekyung; Cha, Jihun. 2013. "Remote Gaze Tracking System on a Large Display." Sensors 13, no. 10: 13439-13463.

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