Transactions of Japanese Society for Medical and Biological Engineering
Online ISSN : 1881-4379
Print ISSN : 1347-443X
ISSN-L : 1347-443X
Contribution
Visual Induced Motion Sickness with Flat Display under Different Ambient Illuminance Conditions
Hirotaka YAMASHITAAyumi MATSUURAMasahiro ISHIKAWANaoki KOBAYASHI
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2021 Volume 59 Issue 1 Pages 24-30

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Abstract

In recent years, 4K/8K video, and virtual reality (VR) have become widespread in the society, creating a viewing environment that is more realistic and immersive than conventional video. However, this has given rise to the problems of visual induced motion sickness (VIMS) with symptoms including nausea, dizziness, and headache. after viewing such video. In this study, we focused on VIMS with flat display under different ambient illuminance conditions, which is one of the important elements of visual discomfort. In the experiments, two types of video were viewed on a flat display, one with little motion and the other with dynamic motion, under different conditions of ambient illuminance in a dark room (3.5 lux) and a bright room (340 lux). Visual sickness was examined using subjective evaluation (Simulator Sickness Questionnaire and time series subjective evaluation) and physiological motion evaluation (movement of center of gravity and LF/HF). The subjective indicators confirmed that dark room conditions were more likely to result in motion sickness than bright room conditions. Moreover, the physiological indicators showed that the distance of movement of center of gravity was greater in the bright room than in the dark room.

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© 2021 Japanese Society for Medical and Biological Engineering
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