From Slow-Mo to Ludicrous Speed: Comfortably Manipulating the Perception of Linear In-Car VR Motion Through Vehicular Translational Gain and Attenuation

Katharina Pohlmann, Graham Wilson, G. Li, Mark Mcgill, Stephen Anthony Brewster

Research output: Chapter or section in a book/report/conference proceedingChapter in a published conference proceeding

4 Citations (SciVal)

Abstract

To prevent motion sickness, Virtual Reality (VR) experiences for vehicle passengers typically present “matched motion”: real vehicle movements are replicated 1:1 by movements in VR. This significantly limits virtual applications. We provide foundations for in-car VR experiences that break this constraint by manipulating the passenger’s visual perception of linear velocity through amplifying and reducing the virtual speed. In two on-the-road studies, we examined the application of Vehicular Translational Gain (1.5-9.5x) and Attenuation (0.66-0.14x) to real car speeds (~50km/h) across two VR tasks (reading and gaming), exploring journey perception, impact on motion sickness, travel experience and tasks. We found that vehicular gain/attenuation can be applied without significantly increasing motion sickness. Gain was more noticeable and affected perceived speed, distance, safety, relaxation and excitement, being well-suited to gaming, while attenuation was more suitable for productivity. Our work unlocks new ways that VR applications can enhance and alter the passenger experience through novel perceptual manipulations of vehicle velocity.
Original languageEnglish
Title of host publicationCHI '24:
Subtitle of host publicationProceedings of the 2024 CHI Conference on Human Factors in Computing Systems
PublisherAssociation for Computing Machinery
Pages1-20
ISBN (Print)9798400703300
DOIs
Publication statusPublished - 11 May 2024

Data Availability Statement

Data sets for behavioural and driving data will be made publicly available in a repository hosted on Zenodo after publication of the paper.

Funding

This research was funded by the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation programme (#835197, ViAjeRo).

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