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Gugenheimer, J., Stemasov, E., Sareen, H., & Rukzio, E. (2017, May). FaceDisplay: Enabling Multi-User Interaction for Mobile Virtual Reality. In Proceedings of the 2017 CHI Conference Extended Abstracts on Human Factors in Computing Systems (pp. 369-372). ACM.
We present FaceDisplay, a multi-display mobile virtual reality (VR) head mounted display (HMD), designed to enable non-HMD users to perceive and interact with the virtual world of the HMD user. Mobile VR HMDs offer the ability to immerse oneself wherever and whenever the user wishes to. This enables application scenarios in which users can interact with VR in public places. However, this results in excluding all the people in the surrounding without an HMD to become sole bystanders and onlookers. We propose FaceDisplay, a multi-display mobile VR HMD, allowing by-standers to see inside the immersed users virtual world and enable them to interact via touch. We built a prototype consisting of three additional screens and present interaction techniques and an example application that leverage the FaceDisplay design space.