理解感知化身外观对全身运动跟踪虚拟现实延迟敏感性的影响

David Halbhuber, Martin Kocur, Alexander Kalus, Kevin Angermeyer, V. Schwind, N. Henze
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引用次数: 1

摘要

虚拟现实(VR)中的延迟会降低存在感和身体所有权。然而,用户如何感知延迟是可塑的,并受到虚拟内容设计的影响。先前的研究发现,虚拟角色的视觉外观,尤其是其感知到的适应性,可以用来改变用户的感知和行为。此外,之前对非虚拟现实视频游戏的研究也表明,控制虚拟角色在视觉上符合用户的期望,并与虚拟角色的感知特征相关联,会增加用户的延迟容忍。然而,目前尚不清楚虚拟角色的视觉外观是否可以用来调节用户在全身运动跟踪VR中的延迟灵敏度。因此,我们进行了两项研究来调查虚拟形象的外观是否可以用来减少延迟的负面影响。在第一项研究中,41名参与者系统地确定了两组虚拟形象,这些虚拟形象的视觉外观被认为或多或少适合两项具有体力挑战的任务。在第二项研究中(N = 16),我们在两个任务中使用VR测试了两个先前确定的化身(被认为更适合vs.被认为不适合),具有两个控制延迟水平(系统vs.高)。我们发现,化身一个被认为更健康的化身会显著提高参与者的身体表现、身体所有权、存在感和内在动机。虽然我们表明延迟会对性能产生负面影响,但我们的结果也表明,虚拟角色的视觉外观不会改变VR中延迟的影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Understanding the Effects of Perceived Avatar Appearance on Latency Sensitivity in Full-Body Motion-Tracked Virtual Reality
Latency in virtual reality (VR) can decrease the feeling of presence and body ownership. How users perceive latency, however, is malleable and affected by the design of the virtual content. Previous work found that an avatar’s visual appearance, particularly its perceived fitness, can be leveraged to change user perception and behavior. Moreover, previous work investigating non-VR video games also demonstrated that controlling avatars that visually conform to users’ expectations associated with the avatars’ perceived characteristics increases the users’ latency tolerance. However, it is currently unknown if the avatar’s visual appearance can be used to modulate the users’ latency sensitivity in full-body motion-tracked VR. Therefore, we conducted two studies to investigate if the avatars’ appearance can be used to decrease the negative impact of latency. In the first study, 41 participants systematically determined two sets of avatars whose visual appearance is perceived to be more or less fit in two physically challenging tasks. In a second study (N = 16), we tested the two previously determined avatars (perceived to be more fit vs. perceived to be less fit) in the two tasks using VR with two levels of controlled latency (system vs. high). We found that embodying an avatar perceived as more fit significantly increases the participants’ physical performance, body ownership, presence, and intrinsic motivation. While we show that latency negatively affects performance, our results also suggest that the avatar’s visual appearance does not alter the effects of latency in VR.
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