Abstract
The decoupled relationship between the optical and inertial information in virtual reality is commonly acknowledged as a major factor contributing to cybersickness. Based on laws of physics, we noticed that a slope naturally affords acceleration, and the gravito-inertial force we experience when we are accelerating freely on a slope has the same relative direction and approximately the same magnitude as the gravity we experience when standing on the ground. This provides the opportunity to simulate a slope by manipulating the orientation of virtual objects accordingly with the accelerating optical flow. In this paper, we present a novel space deformation technique that deforms the virtual environment to replicate the structure of a slope when the user accelerates virtually. As a result, we can restore the physical relationship between the optical and inertial information available to the user. However, the changes to the geometry of the virtual environment during space deformation remain perceptible to users. Consequently, we created two different transition effects, pinch and tilt, which provide different visual experiences of ground bending. A human subject study (N=87) was conducted to evaluate the effects of space deformation on both slope perception and cyber-sickness. The results confirmed that the proposed technique created a strong feeling of traveling on a slope, but no significant differences were found on measures of discomfort and cybersickness.
Original language | English (US) |
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Title of host publication | Proceedings - 2023 IEEE Conference Virtual Reality and 3D User Interfaces, VR 2023 |
Publisher | Institute of Electrical and Electronics Engineers Inc. |
Pages | 658-668 |
Number of pages | 11 |
ISBN (Electronic) | 9798350348156 |
DOIs | |
State | Published - 2023 |
Event | 30th IEEE Conference Virtual Reality and 3D User Interfaces, VR 2023 - Virtual, Online, China Duration: Mar 25 2023 → Mar 29 2023 |
Publication series
Name | Proceedings - 2023 IEEE Conference Virtual Reality and 3D User Interfaces, VR 2023 |
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Conference
Conference | 30th IEEE Conference Virtual Reality and 3D User Interfaces, VR 2023 |
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Country/Territory | China |
City | Virtual, Online |
Period | 3/25/23 → 3/29/23 |
Bibliographical note
Funding Information:The authors would like to thank Victoria Interrante, Courtney Hutton Pospick, Thomas Stoffregen, Mary C. Whitton, and Danhua Zhang for their assistance with this research. This material is based upon work supported by the National Science Foundation under Grant No. 1901423.
Publisher Copyright:
© 2023 IEEE.
Keywords
- Com-puting methodologies-Computer graphics-Graphics systems and interfaces-Virtual reality;
- Human-centered computing-Human computer interaction (HCI)-Interaction paradigms-Virtual reality