On Mathematical Models of Two-Minute Stereoscopic Viewing on Human Balance Function

Kinoshita, Fumiya; Mori, Yuichi; Miyao, Masaru; Tanaka, Hiroki

doi:10.5047/forma.2017.s003

Cited by 2 publications

(3 citation statements)

References 10 publications

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“…The results have shown that, in the elderly, the equilibrium function is affected while/after tracking the visual target in 3D video clips without statistical significance (sickeness-induced) [30]. Based on the previous studies on visually induced motion sickness (VIMS) [18][19][20], [30], the motion sickness is expected to be induced after/while viewing 3D video clips rather than 2D ones.…”

Section: Measurementmentioning

confidence: 91%

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Numerical Analysis for Feature Extraction and Evaluation of 3D Sickness

Nakane¹,

Ono²,

Tanaka³

2021

Adv. sci. technol. eng. syst. j.

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Artificial intelligence (AI) systems have been applied not only to numerical simulations of the economical sequences but also to the bio-signal, for instance, the statokinesigrams (SKGs). According to the nonlinear analysis of the bio-signal, we have considered that the motion process of the body sway is more random than that of the other bio-signal. In this study, we proposed a method for the numerical analysis of biological data using AI. The AI numerical solutions can indicate graphs that are very similar to the SKGs in degree of the determinism. In addition, we succeeded in extracting partial figure patterns that the AI regarded as a feature of 3D sickness. Compering with the properties resulting from the mathematical analysis, interpretations can be given for the black box processing in the AI.

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Section: Measurementmentioning

confidence: 91%

“…have been proposed as mathematical models describing the body sway [18][19][20], where μ and ω represent the noise amplitude and the Gaussian white noise, respectively. In Eqs.…”

Section: Mathematical Modelmentioning

confidence: 99%

Numerical Analysis for Feature Extraction and Evaluation of 3D Sickness

Nakane¹,

Ono²,

Tanaka³

2021

Adv. sci. technol. eng. syst. j.

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“…In this section, we examine the effects of duration on the body sway and introduce a mathematical model that describes the equilibrium system [107]. In addition, we succeeded in finding the temporal fluctuation in the mathematical model [108].…”

Section: Effects Of Duration On the Equilibrium Systemmentioning

confidence: 99%

Evaluation Studies of Motion Sickness Visually Induced by Stereoscopic Films

Matsuura¹,

Tanaka²

2021

Adv. sci. technol. eng. syst. j.

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Humans have experienced motion sickness and possessed the knowledge of stereopsis since classical antiquity. Knowledge of stereopsis dates back to approximately 300 B.C., when Euclid first recognized the concept of depth perception in human vision. Further, the motion sickness is including a sensation of wooziness and nausea that has been documented since approximately 400 B.C., when it was mentioned in the Aphorisms of Hippocrates. Stereoscopic images that utilize binocular stereopsis can frequently cause viewers to experience unpleasant symptoms including visual fatigue. Despite the increased use of three-dimensional (3D) display technologies and numerous studies on 3D vision, there is insufficient accumulation of researches to clarify the effects of 3D images on the human body. Therefore, the safety of viewing virtual 3D images is an important social issue. Inconsistency between convergence and lens accommodation is suspected as a cause of which motion sickness induced by stereoscopic viewing have not yet been identified. A system to simultaneously measure the convergence and lens accommodation is constructed to characterize the 3D vision. Fixation distances were compared between the convergence and lens accommodation while a subject repeatedly viewed 3D video clips. The results indicated that the accommodative power did not correspond to the distance of convergence after 90 s of continuously viewing 3D images. Presently, the relationship between this inconsistency and the unpleasant symptoms remains unclear. Therefore, we introduce empirical research on the motion sickness that can contribute to developments in the relevant fields of science and technology.

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On Mathematical Models of Two-Minute Stereoscopic Viewing on Human Balance Function

Cited by 2 publications

References 10 publications

Numerical Analysis for Feature Extraction and Evaluation of 3D Sickness

Numerical Analysis for Feature Extraction and Evaluation of 3D Sickness

Evaluation Studies of Motion Sickness Visually Induced by Stereoscopic Films

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