Inclination Perception Affected by Velocity and Size of Visual Objects and Human Postures

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  • Mizuno Tota
    Management Science and Engineering Program, University of Electro-Communications
  • Kume Yuichiro
    Faculty of Engineering, Tokyo Polytechnic University

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  • 速度と大きさの視覚情報と姿勢が傾斜知覚に与える影響の検討
  • ソクド ト オオキサ ノ シカク ジョウホウ ト シセイ ガ ケイシャ チカク ニ アタエル エイキョウ ノ ケントウ

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In this study, we have investigated the interactions that inclination perception affected by visual stimulations. In virtual reality (VR) research and development activities, multimodal stimulations are presented to operators and observers, and the observed interactions and perceptions stimulated by those interactions are investigated. The results of those investigations are then used to enhance the VR experience effectiveness. Realities are improved by multi-modal displays featured with motion platform providing visual and inclination information. However, the inclination perception affected by visual stimulation has not been studied sufficiently. In this paper, we have investigated inclination perception in pitch direction affected by the size and velocity of visual objects and human postures. It was found that the velocity of visual objects increases the sensitivity of inclination perception more significantly than the size. In addition, larger interaction between the sight and somatic sensation was observed with sitting posture than with standing posture for the effective information presentation.

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