Minimizing eyestrain on a liquid crystal display considering gaze direction and visual field of view

Won Oh Lee; Hwan Heo; Eui Chul LeeKang Ryoung Park

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Minimizing eyestrain on a liquid crystal display considering gaze direction and visual field of view

机译：Minimizing eyestrain on a liquid crystal display considering gaze direction and visual field of view

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摘要

Recently, it has become necessary to evaluate the performance of display devices in terms of human factors. To meet this requirement, several studies have been conducted to measure the eyestrain of users watching display devices. However, these studies were limited in that they did not consider precise human visual information. Therefore, a new eyestrain measurement method is proposed that uses a liquid crystal display (LCD) to measure a user's gaze direction and visual field of view. Our study is different in the following four ways. First, a user's gaze position is estimated using an eyeglass-type eye-image capturing device. Second, we propose a new eye foveation model based on a wavelet transform, considering the gaze position and the gaze detection error of a user. Third, three video adjustment factors--variance of hue (VH), edge, and motion information--are extracted from the displayed images in which the eye foveation models are applied. Fourth, the relationship between eyestrain and three video adjustment factors is investigated. Experimental results show that the decrement of the VH value in a display induces a decrease in eyestrain. In addition, increased edge and motion components induce a reduction in eyestrain.

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《Optical Engineering》 |2013年第7期|073104-1-073104-8|共8页
作者
Won Oh Lee; Hwan Heo; Eui Chul LeeKang Ryoung Park;
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作者单位

Dongguk University-Seoul, Division of Electronics and Electrical Engineering, 26, Pil-dong 3-ga, Jung-gu, Seoul 100-715, Republic of Korea;

Sangmyung University, Division of Computer Science, 7 Hongji-dong, Jongno-gu, Seoul 110-743, Republic of Korea;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类计量学;
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Minimizing eyestrain on a liquid crystal display considering gaze direction and visual field of view

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