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http://dx.doi.org/10.9717/kmms.2016.19.9.1723

Eye Movement-based Visual Discomfort Analysis from Watching Stereoscopic 3D Contents Regarding Brightness and Viewing Distance  

Kim, Yong-Woo (Dept. of Media Engineering., Catholic University of Korea)
Kang, Hang-Bong (Dept. of Media Engineering., Catholic University of Korea)
Publication Information
Journal of Korea Multimedia Society / v.19, no.9, 2016 , pp. 1723-1737 More about this Journal
Abstract
When watching 3D contents, people often experience various visual discomforts like tiredness, dryness, headaches, and dizziness. Previous researches on visual discomfort analyzed and concluded vergence-accommodation conflict, viewing distance, and brightness changes to be the causes of visual discomfort. Yet it is necessary to systematically analyze the visual discomfort due to the changes in object, background brightness and viewing distance. In this paper, we produce four videos that have four different background brightness and two different viewing distances to solve analyze the visual discomfort from watching 3D contents. We measure and analyze eye-blink and saccadic movement, saccadic latency, Nearest Point of Convergence (NPC), and participant survey for amore accurate result compared to previous researches. Our results show that the eye-blink rate and saccadic latency increase when the background is bright and viewing distance is close while the saccadic movement decreases in the same environment. However, NPC only changes when the background brightness changes. We confirm that the bright background and near viewing distance create greater visual discomfort and decrease depth perception abilities.
Keywords
Visual Discomfort; Brightness; Viewing Distance; Eye Movement; Near Point Of Convergence;
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Times Cited By KSCI : 2  (Citation Analysis)
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