Mitigating VR sickness: a dot presentation approach for linear and rotational movements

Koki Nakamura; Ryo Sato; Kai Sou; Yue Bao

doi:10.1117/12.3018682

2 May 2024 Mitigating VR sickness: a dot presentation approach for linear and rotational movements

Koki Nakamura, Ryo Sato, Kai Sou, Yue Bao

Proceedings Volume 13164, International Workshop on Advanced Imaging Technology (IWAIT) 2024; 131641Q (2024) https://doi.org/10.1117/12.3018682
Event: International Workshop on Advanced Imaging Technology (IWAIT) 2024, 2024, Langkawi, Malaysia

Abstract

As the use of VR technology spreads, an issue known as "VR sickness" has gained attention. This condition arises from a mismatch between the balance sense in the inner ear and visual information. In particular, a phenomenon called "vection," where a stationary person feels movement when viewing a moving background, is identified as one of the causes. Existing research has proposed methods of adding dot stimuli that move in specific ways within the VR environment to reduce VR sickness, but these have focused mainly on linear movement and lacked measures for rotational movement. This study introduces a method of presenting dot stimuli that accounts for both linear and rotational movement. In the new approach, dots move at twice the player's speed and at once the angular speed. The experiment utilized a roller coaster simulation created in Unity to compare the degree of VR sickness under three conditions: no dots, a previous method (dots synchronized to linear movement only), and the our method (dots synchronized to both linear and rotational movement). Fifteen adults used the Simulator Sickness Questionnaire to self-report symptoms. Results indicated that compared to the previous method, the new approach showed significant reductions in "Disorientation" and "Nausea," overall reducing the symptoms of VR sickness. The findings suggest that the proposed method could effectively reduce VR sickness, offering superior results compared to previous methods and no intervention. This provides important insights for future research directions and applications of VR technology.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Koki Nakamura, Ryo Sato, Kai Sou, and Yue Bao "Mitigating VR sickness: a dot presentation approach for linear and rotational movements", Proc. SPIE 13164, International Workshop on Advanced Imaging Technology (IWAIT) 2024, 131641Q (2 May 2024); https://doi.org/10.1117/12.3018682

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KEYWORDS

Virtual reality

Visualization

Matrices

Optical flow

Ear

Environmental sensing

Head

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