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首页> 外文期刊>Visualization and Computer Graphics, IEEE Transactions on >Validation of the MR Simulation Approach for Evaluating the Effects of Immersion on Visual Analysis of Volume Data
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Validation of the MR Simulation Approach for Evaluating the Effects of Immersion on Visual Analysis of Volume Data

机译：用于评估浸没对体积数据的可视化分析效果的MR模拟方法的验证

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摘要

In our research agenda to study the effects of immersion (level of fidelity) on various tasks in virtual reality (VR) systems, we have found that the most generalizable findings come not from direct comparisons of different technologies, but from controlled simulations of those technologies. We call this the mixed reality (MR) simulation approach. However, the validity of MR simulation, especially when different simulator platforms are used, can be questioned. In this paper, we report the results of an experiment examining the effects of field of regard (FOR) and head tracking on the analysis of volume visualized micro-CT datasets, and compare them with those from a previous study. The original study used a CAVE-like display as the MR simulator platform, while the present study used a high-end head-mounted display (HMD). Out of the 24 combinations of system characteristics and tasks tested on the two platforms, we found that the results produced by the two different MR simulators were similar in 20 cases. However, only one of the significant effects found in the original experiment for quantitative tasks was reproduced in the present study. Our observations provide evidence both for and against the validity of MR simulation, and give insight into the differences caused by different MR simulator platforms. The present experiment also examined new conditions not present in the original study, and produced new significant results, which confirm and extend previous existing knowledge on the effects of FOR and head tracking. We provide design guidelines for choosing display systems that can improve the effectiveness of volume visualization applications.
机译：在研究沉浸度（保真度）对虚拟现实（VR）系统中各种任务的影响的研究议程中，我们发现最可概括的发现并非来自不同技术的直接比较，而是来自那些技术的受控模拟。我们称其为混合现实（MR）仿真方法。但是，尤其是在使用不同的仿真器平台时，MR仿真的有效性可能会受到质疑。在本文中，我们报告了一项实验的结果，该实验研究了视场（FOR）和头部跟踪对体积可视化的微型CT数据集的分析的影响，并将其与先前的研究进行了比较。最初的研究使用类似CAVE的显示器作为MR仿真器平台，而本研究则使用高端的头戴式显示器（HMD）。在两个平台上测试的系统特性和任务的24种组合中，我们发现在20种情况下，两种不同的MR仿真器产生的结果相似。但是，本研究仅再现了原始实验中对定量任务的重大影响之一。我们的观察结果提供了支持和反对MR仿真有效性的证据，并深入了解了由不同MR仿真器平台引起的差异。本实验还检查了原始研究中不存在的新条件，并产生了新的重要结果，证实并扩展了有关FOR和头部追踪的现有知识。我们提供选择可以提高体积可视化应用程序效率的显示系统的设计准则。

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