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학술지 Gaze Detection by Wearable Eye-Tracking and NIR LED-Based Head-Tracking Device Based on SVR
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저자
조철우, 이지우, 신광용, 이의철, 박강령, 이희경, 차지훈
발행일
201208
출처
ETRI Journal, v.34 no.4, pp.542-552
ISSN
1225-6463
출판사
한국전자통신연구원 (ETRI)
DOI
https://dx.doi.org/10.4218/etrij.12.0111.0193
협약과제
12PR4200, IPTV용 Interactive 시점제어 기술 개발, 차지훈
초록
In this paper, a gaze estimation method is proposed for use with a large-sized display at a distance. Our research has the following four novelties: this is the first study on gaze-tracking for large-sized displays and large Z (viewing) distances; our gaze-tracking accuracy is not affected by head movements since the proposed method tracks the head by using a near infrared camera and an infrared light-emitting diode; the threshold for local binarization of the pupil area is adaptively determined by using a p-tile method based on circular edge detection irrespective of the eyelid or eyelash shadows; and accurate gaze position is calculated by using two support vector regressions without complicated calibrations for the camera, display, and user's eyes, in which the gaze positions and head movements are used as feature values. The root mean square error of gaze detection is calculated as 0.79째 for a 30-inch screen. © 2012 ETRI.
키워드
Gaze-tracking, Large-sized display, Support vector regression
KSP 제안 키워드
Edge Detection, Estimation method, Eye tracking, Feature values, Gaze Estimation, Head movements, Head tracking, Infrared camera, Near-Infrared(NIR), Root mean square(RMS), gaze detection