A New Gaze Estimation Method Considering External Light

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 e...

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Autores principales: Lee, Jong Man, Lee, Hyeon Chang, Gwon, Su Yeong, Jung, Dongwook, Pan, Weiyuan, Cho, Chul Woo, Park, Kang Ryoung, Kim, Hyun-Cheol, Cha, Jihun
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2015
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4435212/
https://www.ncbi.nlm.nih.gov/pubmed/25769050
http://dx.doi.org/10.3390/s150305935
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author Lee, Jong Man
Lee, Hyeon Chang
Gwon, Su Yeong
Jung, Dongwook
Pan, Weiyuan
Cho, Chul Woo
Park, Kang Ryoung
Kim, Hyun-Cheol
Cha, Jihun
author_facet Lee, Jong Man
Lee, Hyeon Chang
Gwon, Su Yeong
Jung, Dongwook
Pan, Weiyuan
Cho, Chul Woo
Park, Kang Ryoung
Kim, Hyun-Cheol
Cha, Jihun
author_sort Lee, Jong Man
collection PubMed
description 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.
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spelling pubmed-44352122015-05-19 A New Gaze Estimation Method Considering External Light Lee, Jong Man Lee, Hyeon Chang Gwon, Su Yeong Jung, Dongwook Pan, Weiyuan Cho, Chul Woo Park, Kang Ryoung Kim, Hyun-Cheol Cha, Jihun Sensors (Basel) Article 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. MDPI 2015-03-11 /pmc/articles/PMC4435212/ /pubmed/25769050 http://dx.doi.org/10.3390/s150305935 Text en © 2015 by the authors; licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Lee, Jong Man
Lee, Hyeon Chang
Gwon, Su Yeong
Jung, Dongwook
Pan, Weiyuan
Cho, Chul Woo
Park, Kang Ryoung
Kim, Hyun-Cheol
Cha, Jihun
A New Gaze Estimation Method Considering External Light
title A New Gaze Estimation Method Considering External Light
title_full A New Gaze Estimation Method Considering External Light
title_fullStr A New Gaze Estimation Method Considering External Light
title_full_unstemmed A New Gaze Estimation Method Considering External Light
title_short A New Gaze Estimation Method Considering External Light
title_sort new gaze estimation method considering external light
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4435212/
https://www.ncbi.nlm.nih.gov/pubmed/25769050
http://dx.doi.org/10.3390/s150305935
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