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Redirected Smooth Mappings for Multiuser Real Walking in Virtual Reality

机译:虚拟现实中多用户真实行走的重定向平滑映射

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摘要

We propose a novel technique to provide multiuser real walking experiences with physical interactions in virtual reality (VR) applications. In our system, multiple users walk freely while navigating a large virtual environment within a smaller physical workspace. These users can interact with other real users or physical props in the same physical locations. The key of our method is a redirected smooth mapping that incorporates the redirected walking technique to warp the input virtual scene with small bends and low distance distortion. Users possess a wide field of view to explore the mapped virtual environment while being redirected in the real workspace. To keep multiple users away from the overlaps of the mapped virtual scenes, we present an automatic collision avoidance technique based on dynamic virtual avatars. These avatars naturally appear, move, and disappear, producing as little influence as possible on users' walking experiences. We evaluate our multiuser real walking system through formative user studies, and demonstrate the capability and practicability of our technique in two multiuser applications.
机译:我们提出了一种新颖的技术,可通过虚拟现实(VR)应用程序中的物理交互为多用户提供真实的步行体验。在我们的系统中,多个用户可以在较小的物理工作空间中导航大型虚拟环境的同时自由行走。这些用户可以与其他真实用户或相同物理位置中的物理道具进行交互。我们方法的关键是重定向的平滑映射,该映射结合了重定向的行走技术,以较小的弯曲和低距离的变形来扭曲输入的虚拟场景。用户拥有广阔的视野,可以在实际工作空间中被重定向时浏览映射的虚拟环境。为了使多个用户远离映射的虚拟场景的重叠,我们提出了一种基于动态虚拟化身的自动避免碰撞技术。这些化身自然出现,移动和消失,对用户的步行体验产生的影响尽可能小。我们通过形成性的用户研究评估了我们的多用户真实步行系统,并在两个多用户应用程序中证明了我们技术的功能和实用性。

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