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首页> 外文会议>IEEE Conference on Virtual Reality and 3D User Interfaces >MDI: A Multi-channel Dynamic Immersion Headset for Seamless Switching between Virtual and Real World Activities
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MDI: A Multi-channel Dynamic Immersion Headset for Seamless Switching between Virtual and Real World Activities

机译：MDI：多通道动态浸入式耳机，用于虚拟和现实活动之间的无缝切换

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We present a study of the usability and induced workload of a new head-mounted display (HMD) which allows the wearer to more easily switch between tasks in the virtual and real world using multiple optical channels dynamically at the press of a button. Most HMDs provide full immersion by occluding the real world from the view of the user, and replacing it with a computer-generated virtual environment. One trade-off, however, is that such HMDs make it difficult to interact with real-world objects and people, or to react to events while being immersed. Tasks that are simple in the unmediated real world, such as taking a drink or responding to a text, become nearly impossible while wearing an occlusive HMD, and normally require the user to take off the HMD. To address this limitation, we propose an HMD which provides optical channels to view the near-field real world in the periphery of the HMD while still wearing the HMD by pressing a button. We call our approach Multi-channel Dynamic Immersion (MDI). We embedded transparency controllable LCD panels around the periphery of an HMD and installed a fish-eye lens in front of its forward-facing camera. We then compared MDI to three other methods of switching from working in VR to real world activities: (a) a front camera video-see-through method, (b) using dynamic LCDs only, and (c) taking off the HMD. Participants had to interrupt their work in a VR office to carry out typical real world daily activities, such as picking up a mug, responding to a phone call, or replying to a text message. Our results show no significant differences in task execution time between the four conditions. However, we observed a tendency favouring MDI as the easiest to use among the HMDs. In addition, we found a significantly higher rated ease of use for the two HMDs with controllable LCDs compared to the two occlusive HMDs. Our data also underscores that a substantial amount of time is lost when switching between work contexts in occlusive HMDs and the real world.
机译：我们介绍了一种新型头戴式显示器（HMD）的可用性和诱发的工作量的研究，该显示器可让佩戴者按下按钮并动态地使用多个光学通道，从而更轻松地在虚拟和现实世界中的任务之间进行切换。大多数HMD通过从用户的角度遮挡现实世界，并用计算机生成的虚拟环境替代现实世界，从而提供完全的沉浸感。然而，一种折衷方案是，此类HMD使其难以与现实世界中的物体和人进行交互，或者在沉浸时难以对事件做出反应。在无媒介的现实世界中，一些简单的任务（例如喝酒或回复文字）在佩戴封闭式HMD时几乎变得不可能，并且通常要求用户脱下HMD。为了解决此限制，我们提出了一种HMD，该HMD提供光通道以查看HMD外围的近场现实世界，同时仍然可以通过按下按钮来佩戴HMD。我们称这种方法为多通道动态浸入（MDI）。我们将透明可控的LCD面板嵌入HMD的外围，并在其前置摄像头前面安装了鱼眼镜头。然后，我们将MDI与其他三种从VR工作切换为现实世界活动的方法进行了比较：（a）前置摄像头视频透视方法;（b）仅使用动态LCD;以及（c）卸下HMD。参与者不得不中断在VR办公室的工作，以进行典型的现实世界日常活动，例如拿起杯子，回复电话或回复短信。我们的结果表明，这四个条件之间的任务执行时间没有显着差异。但是，我们观察到了一种倾向于MDI的趋势，该趋势是HMD中最容易使用的。此外，我们发现，与两个封闭式HMD相比，带有可控制LCD的两个HMD的额定易用性明显更高。我们的数据还强调，在闭塞HMD和真实世界中的工作环境之间切换时会浪费大量时间。

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