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학술지 Remote Gaze Tracking System on a Large Display
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저자
이현창, 이원오, 조철우, 권수영, 박강령, 이희경, 차지훈
발행일
201310
출처
Sensors, v.13 no.10, pp.13439-13463
ISSN
1424-8220
출판사
MDPI AG
DOI
https://dx.doi.org/10.3390/s131013439
협약과제
13PR4300, 영상객체 인식기반 지식융합 서비스 플랫폼 개발, 조기성
초록
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 짹0.737째~짹0.775째 and a speed of 5~10 frames/s. © 2013 by the authors; licensee MDPI, Basel, Switzerland.
키워드
Large display, Panning and tilting, Remote gaze tracking, WVC and NVC
KSP 제안 키워드
Auto-focusing, Eye image, Gaze tracking system, Parallel structure, eye position, large display, tracking accuracy
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