Effects of self-avatar cast shadow and foot vibration on telepresence, virtual walking experience, and cybersickness from omnidirectional movie
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View abstract on PubMed
Summary
This summary is machine-generated.Foot vibrations and avatar shadows enhance virtual walking experiences for seated users. Vibrations improved immersion and reduced sickness, while shadows boosted presence and leg sensations.
Area Of Science
- Virtual Reality
- Human-Computer Interaction
- Biomechanics
Background
- Walking is essential for physical and mental well-being.
- Virtual reality (VR) systems aim to simulate real-world experiences, including walking.
- Enhancing the realism of virtual walking is crucial for user immersion and reducing negative side effects like cybersickness.
Purpose Of The Study
- To investigate the impact of foot vibrations and an avatar's cast shadow on the virtual walking experience.
- To assess the effects of these augmentations on user telepresence, walking sensation, and cybersickness.
Main Methods
- A VR system was developed using synchronized omnidirectional video, avatar walking animation, and simulated optical flow.
- Foot vibrations and avatar cast shadows (none, short, long) were systematically applied.
- Twenty participants rated their telepresence, walking experience, and cybersickness across six conditions.
Main Results
- Foot vibrations significantly enhanced telepresence, self-motion, walking, and leg-action sensations.
- Foot vibrations also reduced nausea and disorientation, mitigating cybersickness.
- The avatar's cast shadow improved telepresence and leg-action sensation but did not affect self-motion or walking sensation.
Conclusions
- Foot vibrations are effective in improving the overall virtual walking experience and reducing cybersickness.
- Avatar cast shadows enhance telepresence and body awareness (leg-action) but do not directly improve the sensation of walking.
- Combining sensory feedback like vibrations with visual cues like shadows can optimize VR locomotion experiences.
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