HCC: The Effect of Tiled Display on Performance in Multi-Screen Immersive Virtual Environments

新的沉浸式显示系统正在崛起，成为展示三维数据和虚拟世界的平台。然而，很少有人从人为因素的角度对这些系统进行评估或提供指导性设计原则。PI认为，相互连接的瓷砖屏幕有可能与成本更高的连续成像系统一样有效。展示这一潜力实际上将显著降低3D沉浸式可视化的成本，为比现在可能的应用领域更广泛铺平道路(例如，想象一下，一位科学教师能够向她的学生展示DNA的3D可视化，并让他们在低成本的沉浸式显示器上与模型互动)。为此，在这个项目中，PI将比较低成本、多屏幕空间沉浸式可视化系统和更昂贵的连续图像平台的性能和用户交互。他们的假设是，尽管连接的显示屏引入了图像接缝，但低成本系统将呈现出感知上相同的视觉体验。心理物理实验将通过人类基于性能的判断来比较这两个系统。项目成果还将在构建大型多屏幕显示器时提供对最佳硬件和软件显示配置的见解。PI在进行人体实验方面有广泛的背景，而Co-PI带来了构建和配置下一代沉浸式显示器的专业知识，包括本工作中使用的一种显示器，该显示器是在之前的NSF奖下开发的。该团队在德克萨斯农工大学可以使用两个互补的沉浸式系统，使他们处于进行这项研究的独特位置。广泛的影响：从这项工作中获得的知识和见解应该有助于使沉浸式可视化系统在目前无法负担此类系统或无法证明费用合理的地区使用，从而通过加强研究基础设施来促进发现和理解，同时通过吸引更多(和更多样化的)学生参与科学和技术来促进教学、培训和学习。

New immersive display systems are emerging as platforms for presenting three dimensional data and virtual worlds. However, little effort has been spent on evaluating these systems or providing guiding design principles from a human factors point of view. The PIs argue that interconnected tiled screens have the potential to be as effective as more costly continuous image systems. Demonstrating this potential would in effect significantly drive down the cost of 3D immersive visualization, paving the way for much broader application areas than are now possible (imagine, for example, a science teacher able to show her students a 3D visualization of DNA and to have them interact with the model on a low cost immersive display). To this end, in this project the PIs will compare performance and user interaction on a low-cost, multi-screen spatially immersive visualization system against a more expensive continuous image platform. Their hypothesis is that the low-cost system will present a perceptually equivalent visual experience, despite image seams introduced by the connecting display screens. Psychophysical experimentation will compare the two systems through human judgments based on performance. Project outcomes will also provide insights into optimal hardware and software display configuration when building large multi-screen displays. The PI has an extensive background in conducting experiments involving human subjects, while the Co-PI brings expertise on building and configuring next generation immersive displays, including one of those to be used in this work, which was developed under a prior NSF award. The team has access at Texas A&M to two complementary immersive systems, putting them in a unique position to conduct this research.Broader Impacts: The knowledge and insights gained from this work should help make immersive visualization systems available in areas currently unable to afford such systems or to justify the expense, and thus advance discovery and understanding by enhancing the infrastructure for research, while also promoting teaching, training and learning by engaging more (and more diverse) students in science and technology.