分布式混合现实与虚拟现实环境中实时的交互的场景同步
Scene Synchronization for Real-Time Interaction in Distributed Mixed Reality and Virtual Reality Environments
摘要：
计算机网络和呈现系统的进步促进了分布式协作环境的创建，其中在远程位置处的信息的分发允许有效的通信。网络虚拟环境中的挑战之一是在存在不可避免的网络延迟和抖动的情况下保持共享状态的一致视图。共享场景中的一致视图可以显著增加参与者之间的存在感并促进他们的交互性。动态共享状态直接受应用于场景中对象的动作频率的影响。混合现实（MR）和虚拟现实（VR）环境包含几种类型的动作产生器，包括人类用户、各种电子运动传感器和触觉设备。在本文中，作者提出了一种新的标准分类的分布式MR/VR系统，并提出了一种自适应同步算法的分布式MR/VR协同环境。尽管显着的网络延迟，结果表明，对于低水平的更新频率的动态共享状态可以保持一致，在多个远程站点。
英文摘要：
Advances in computer networks and rendering systems facilitate the creation of distributed collaborative environments in which the distribution of information at remote locations allows efficient communication. One of the challenges in networked virtual environments is maintaining a consistent view of the shared state in the presence of inevitable network latency and jitter. A consistent view in a shared scene may significantly increase the sense of presence among participants and facilitate their interactivity. The dynamic shared state is directly affected by the frequency of actions applied on the objects in the scene. Mixed Reality (MR) and Virtual Reality (VR) environments contain several types of action producers including human users, a wide range of electronic motion sensors, and haptic devices. In this paper, the authors propose a novel criterion for categorization of distributed MR/VR systems and present an adaptive synchronization algorithm for distributed MR/VR collaborative environments. In spite of significant network latency, results show that for low levels of update frequencies the dynamic shared state can be maintained consistent at multiple remotely located sites.
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