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Avatar: a virtual reality based tool for collaborative production of theater shows

机译：阿凡达（Avatar）：基于虚拟现实的工具，用于协作制作剧院表演

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One of the more important limitations of actual tools for performing arts production and design is that collaboration between designers is hard to achieve. In fact, designers must actually be co-located to collaborate in the design of a show, something that is not always possible. While teleconference tools could be used to partially solve this problem, this solution offers no direct interactivity and no synchronization between designers. Also some problems like perspective effects and single viewpoint constrained by the camera are inherent to this solution. Specialized software for performing arts design (e.g. "Life Forms") do not generally provide real-time collaboration and are not really convenient for collaborative work. Also, these systems are often expensive and complex to operate. A more adapted solution combining concepts from virtual reality, network technology, and computer vision has then been specifically developed for collaborative work by performing arts designers. This paper presents a virtual reality application for supporting distributed collaborative production of theater shows resulting from our research. Among other constraints, this application has to ensure that the virtual scene that is being shared between multiple designers is always in sync (by use of computer vision) with a real counterpart and that this synchronization is achieved in real-time. Also, system cost must be kept as low as possible, platform independence must be achieved whenever possible and, since it is to be used by people that are not computer experts, the application has to be user-friendly.
机译：用于表演艺术制作和设计的实际工具的最重要限制之一是，设计师之间的协作很难实现。实际上，实际上设计师必须位于同一地点才能协作进行一场秀的设计，而这并非总是可能的。尽管可以使用电话会议工具部分解决此问题，但此解决方案无法提供直接的交互性，也无法在设计人员之间实现同步。此解决方案还固有一些问题，例如透视效果和受相机约束的单一视点。用于表演艺术设计的专用软件（例如“生活形式”）通常不提供实时协作，并且对于协作工作并不真正方便。而且，这些系统通常很昂贵并且操作复杂。表演艺术设计师专门为协作工作专门开发了一种更适合的解决方案，将虚拟现实，网络技术和计算机视觉的概念结合在一起。本文提出了一种虚拟现实应用程序，用于支持由我们的研究得出的剧院演出的分布式协作制作。除其他限制外，该应用程序还必须确保多个设计师之间共享的虚拟场景始终与真实对手保持同步（通过使用计算机视觉），并且必须实时实现这种同步。而且，系统成本必须保持尽可能低，平台独立性必须尽可能高，并且由于要由非计算机专家使用，因此该应用程序必须易于使用。

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