Abstract

Recently, with the rapid progress in image processing and three-dimensional (3D) technology, stereoscopic images are not only seen on television but also in theaters, on game machines, etc. However, symptoms such as eye fatigue and 3D sickness are experienced when viewing 3D films on displays and visual environments. The influence of stereoscopic vision on human body has been also insufficiently understood; therefore, it is important to consider the safety of viewing virtual 3D contents. The aim of this study is to examine the effects of exposure to 2D/3D video clips on human equilibrium systems. Stereoscopic video clips with complexly ambulated spheres and their monocular (2D) vision were shown to subjects using binocular parallax smart glasses. We compared stabilograms recorded during exposure to video clips with/without depth cues on 3D images. The time-average potential function was obtained from stabilograms using stochastic differential equations as a mathematical model for body sway to conduct a numerical analysis.

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