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Efficient comparison of platform alternatives in interactive virtual reality applications

机译：交互式虚拟现实应用程序中平台替代方案的有效比较

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摘要

Virtual reality applications consist of an integrated combination of elements, such as hardware devices, interaction techniques, and content, in different modalities and qualities. Designers of virtual reality applications select combinations of such elements that allow users to accomplish their tasks, and it is feasible that more than one combination of such values will satisfy the user's needs. Unfortunately, current development environments, methodologies, and techniques in the field of virtual reality often preclude the exploration of the design alternatives, due to coverage or cost limitations. A limited number of options are covered by any given software development environment, and the development cost of new prototypes in such development platforms is too high to be considered as an evaluation tool. In this paper, we present a methodology for partial (i.e. hardware and interaction techniques alternatives) exploration of the design space of a virtual reality application, based on the creation of reusable components and a standard evaluation of alternatives. Since the cost of developing several versions of an application can be reduced by reusing elements from others, this method allows designers to evaluate the performance and user preferences of several implementations. As a proof of concept, we developed four versions of a simple matching application in different virtual reality platforms. Results of this study show how users react to each prototype and how the different solutions can be compared, no matter how different in technology they are. (C) 2004 Elsevier Ltd. All rights reserved.
机译：虚拟现实应用程序由各种模式和质量的元素（例如硬件设备，交互技术和内容）的集成组合组成。虚拟现实应用程序的设计者选择允许用户完成其任务的此类元素的组合，并且可行的是，此类值的多个组合将满足用户的需求。不幸的是，由于覆盖范围或成本限制，虚拟现实领域中的当前开发环境，方法论和技术通常无法探索设计替代方案。任何给定的软件开发环境都涵盖了有限的选项，并且在这样的开发平台中新原型的开发成本太高而不能被视为评估工具。在本文中，我们基于可重用组件的创建和替代方案的标准评估，提出了一种用于部分（即硬件和交互技术替代方案）探索虚拟现实应用程序设计空间的方法。由于可以通过重用其他应用程序的版本来降低开发应用程序的多个版本的成本，因此该方法允许设计人员评估几种实现的性能和用户偏好。作为概念证明，我们在不同的虚拟现实平台中开发了四个版本的简单匹配应用程序。这项研究的结果表明，无论用户在技术上有何不同，用户如何对每个原型做出反应，以及如何比较不同的解决方案。 （C）2004 Elsevier Ltd.保留所有权利。

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