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An Evaluation Testbed for Locomotion in Virtual Reality
arXiv - CS - Graphics Pub Date : 2020-10-20 , DOI: arxiv-2010.10178
Alberto Cannav\`o, Davide Calandra, F. Gabriele Prattic\`o, Valentina Gatteschi and Fabrizio Lamberti

A common operation performed in Virtual Reality (VR) environments is locomotion. Although real walking can represent a natural and intuitive way to manage displacements in such environments, its use is generally limited by the size of the area tracked by the VR system (typically, the size of a room) or requires expensive technologies to cover particularly extended settings. A number of approaches have been proposed to enable effective explorations in VR, each characterized by different hardware requirements and costs, and capable to provide different levels of usability and performance. However, the lack of a well-defined methodology for assessing and comparing available approaches makes it difficult to identify, among the various alternatives, the best solutions for selected application domains. To deal with this issue, this paper introduces a novel evaluation testbed which, by building on the outcomes of many separate works reported in the literature, aims to support a comprehensive analysis of the considered design space. An experimental protocol for collecting objective and subjective measures is proposed, together with a scoring system able to rank locomotion approaches based on a weighted set of requirements. Testbed usage is illustrated in a use case requesting to select the technique to adopt in a given application scenario.

中文翻译:

虚拟现实中运动的评估试验台

在虚拟现实 (VR) 环境中执行的常见操作是移动。尽管真实步行可以代表在此类环境中管理位移的自然而直观的方式,但其使用通常受到 VR 系统跟踪区域的大小(通常是房间的大小)的限制,或者需要昂贵的技术来覆盖特别大的范围。设置。已经提出了许多方法来实现 VR 中的有效探索,每种方法都有不同的硬件要求和成本,并且能够提供不同级别的可用性和性能。但是,由于缺乏用于评估和比较可用方法的明确定义的方法,因此很难在各种替代方案中确定所选应用领域的最佳解决方案。为了处理这个问题,本文介绍了一种新颖的评估测试平台,该平台基于文献中报道的许多独立作品的结果,旨在支持对所考虑设计空间的综合分析。提出了用于收集客观和主观测量的实验协议,以及能够根据一组加权要求对运动方法进行排名的评分系统。在一个用例中说明了测试平台的使用,该用例要求选择在给定应用场景中采用的技术。连同能够根据一组加权要求对运动方法进行排名的评分系统。在一个用例中说明了测试平台的使用,该用例要求选择在给定应用场景中采用的技术。连同能够根据一组加权要求对运动方法进行排名的评分系统。在一个用例中说明了测试平台的使用,该用例要求选择在给定应用场景中采用的技术。
更新日期:2020-10-21
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