17 May 2013 Effect of viewing distance on 3D fatigue caused by viewing mobile 3D content
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Abstract
With an advent of autostereoscopic display technique and increased needs for smart phones, there has been a significant growth in mobile TV markets. The rapid growth in technical, economical, and social aspects has encouraged 3D TV manufacturers to apply 3D rendering technology to mobile devices so that people have more opportunities to come into contact with many 3D content anytime and anywhere. Even if the mobile 3D technology leads to the current market growth, there is an important thing to consider for consistent development and growth in the display market. To put it briefly, human factors linked to mobile 3D viewing should be taken into consideration before developing mobile 3D technology. Many studies have investigated whether mobile 3D viewing causes undesirable biomedical effects such as motion sickness and visual fatigue, but few have examined main factors adversely affecting human health. Viewing distance is considered one of the main factors to establish optimized viewing environments from a viewer's point of view. Thus, in an effort to determine human-friendly viewing environments, this study aims to investigate the effect of viewing distance on human visual system when exposing to mobile 3D environments. Recording and analyzing brainwaves before and after watching mobile 3D content, we explore how viewing distance affects viewing experience from physiological and psychological perspectives. Results obtained in this study are expected to provide viewing guidelines for viewers, help ensure viewers against undesirable 3D effects, and lead to make gradual progress towards a human-friendly mobile 3D viewing.
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Sungchul Mun, Sungchul Mun, Dong-Su Lee, Dong-Su Lee, Min-Chul Park, Min-Chul Park, Sumio Yano, Sumio Yano, } "Effect of viewing distance on 3D fatigue caused by viewing mobile 3D content", Proc. SPIE 8738, Three-Dimensional Imaging, Visualization, and Display 2013, 87380C (17 May 2013); doi: 10.1117/12.2016527; https://doi.org/10.1117/12.2016527
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