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학술지 A New Gaze Estimation Method Considering External Light
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저자
이종만, 이현창, 권수영, 정동욱, 반유원, 조철우, 박강령, 김현철, 차지훈
발행일
201503
출처
Sensors, v.15 no.3, pp.5935-5981
ISSN
1424-8220
출판사
MDPI AG
DOI
https://dx.doi.org/10.3390/s150305935
협약과제
15MR3200, (통합)방송용 영상 인식 기반 객체 중심 지식 융합 미디어 서비스 플랫폼 개발, 조기성
초록
Gaze tracking systems usually utilize near-infrared (NIR) lights and NIR cameras, and the performance of such systems is mainly affected by external light sources that include NIR components. This is ascribed to the production of additional (imposter) corneal specular reflection (SR) caused by the external light, which makes it difficult to discriminate between the correct SR as caused by the NIR illuminator of the gaze tracking system and the imposter SR. To overcome this problem, a new method is proposed for determining the correct SR in the presence of external light based on the relationship between the corneal SR and the pupil movable area with the relative position of the pupil and the corneal SR. The experimental results showed that the proposed method makes the gaze tracking system robust to the existence of external light.
키워드
Corneal SR, External light, Gaze tracking system, Pupil movable area
KSP 제안 키워드
Corneal SR, Estimation method, External light, Gaze Estimation, Gaze tracking system, Light sources, Near-Infrared(NIR), Pupil movable area, Relative position, new method, specular reflection
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