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Article Dans Une Revue International Journal of Human-Computer Interaction Année : 2017

Features of the Postural Sway Signal as Indicators to Estimate and Predict Visually Induced Motion Sickness in Virtual Reality

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Résumé

Navigation in a 3D immersive virtual environment is known to be prone to visually induced motion sickness (VIMS). Several psychophysiological and behavioral methods have been used to measure the level of sickness of a user, among which is postural instability. This study investigates all the features that can be extracted from the body postural sway: area of the projection of the center of gravity (mainly considered in past studies) and its shape and the frequency components of the signal's spectrum, in order to estimate and predict the occurrence of sickness in a typical virtual reality (VR) application. After modeling and simulation of the body postural sway, an experiment on 17 subjects identified a relation between the level of sickness and the variation both in the time and frequency domains of the body sway signal. The results support and go further into detail of findings of past studies using postural instability as an efficient indicator of sickness, giving insight to better monitor VIMS in a VR application.
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Dates et versions

hal-01627120 , version 1 (21-12-2017)

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Jean-Rémy Chardonnet, Mohammad Ali Mirzaei, Frédéric Merienne. Features of the Postural Sway Signal as Indicators to Estimate and Predict Visually Induced Motion Sickness in Virtual Reality. International Journal of Human-Computer Interaction, 2017, 33 (10), pp.771-785. ⟨10.1080/10447318.2017.1286767⟩. ⟨hal-01627120⟩
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