Real vs Simulated Foveated Rendering to Reduce Visual Discomfort in Virtual Reality

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PubDate: Jul 2021

Teams: University of Verona;University of Trento; Fondazione Bruno Kessler

Writers: Ariel Caputo, Andrea Giachetti, Salwa Abkal, Chiara Marchesini, Massimo Zancanaro

PDF: Real vs Simulated Foveated Rendering to Reduce Visual Discomfort in Virtual Reality

Abstract

In this paper, a study aimed at investigating the effects of real (using eye tracking to determine the fixation) and simulated foveated blurring in immersive Virtual Reality is presented. Techniques to reduce the optical flow perceived at the visual field margins are often employed in immersive Virtual Reality environments to alleviate discomfort experienced when the visual motion perception does not correspond to the body’s acceleration. Although still preliminary, our results suggest that for participants with higher self-declared sensitivity to sickness, there might be an improvement for nausea when using blurring. The (perceived) difficulty of the task seems to improve when the real foveated method is used.

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