Medeiros, D; Anjos, RD; Pantidi, N; Huang, K; Sousa, M; Anslow, C; Jorge, J; (2021) Promoting reality awareness in virtual reality through proxemics. In: 2021 IEEE Virtual Reality and 3D User Interfaces (VR). (pp. pp. 21-30). IEEE: Lisboa, Portugal.

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Abstract

Head-Mounted Virtual reality (VR) systems provide full-immersive experiences to users and completely isolate them from the outside world, placing them in unsafe situations. Existing research proposed different alert-based solutions to address this. Our work builds on these studies on notification systems for VR environments from a different perspective. We focus on: (i) exploring alert systems to notify VR users about non-immersed bystanders' in socially related, non-critical interaction contexts; (ii) understanding how best to provide awareness of non-immersed bystanders while maintaining presence and immersion within the Virtual Environment(VE). To this end, we developed single and combined alert cues - leveraging proxemics, perception channels, and push/pull approaches and evaluated those via two user studies. Our findings indicate a strong preference towards maintaining immersion and combining audio and visual cues, push and pull notification techniques that evolve dynamically based on proximity.

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