Assessing vignetting as a means to reduce VR sickness during amplified head rotations

Assessing vignetting as a means to reduce VR sickness during amplified head rotations
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评估渐晕作为减少头部旋转放大期间晕眩感的一种方法

DOI:
10.1145/3225153.3225162
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发表时间:
2018
期刊:
ACM Symposium on Applied Perception 2018
影响因子:
--
通讯作者:
Welch, Greg
Welch, Greg
中科院分区:
--
文献类型:
--
作者:
Norouzi, Nahal;Bruder, Gerd;Welch, Greg

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重定向和放大的头部运动有可能提供与虚拟环境(VE)更自然的交互,而不是使用基于视觉的输入,这会导致视觉和前庭自运动线索之间的巨大差异,并导致VR疾病增加。然而,这种放大的头部运动也可能在没有放大的情况下加剧VR疾病症状。已经介绍了几种通用的方法,以减少VR疾病的虚拟环境内的基于机器人的输入,包括流行的渐晕方法,逐渐减少field.In本文中,我们研究使用渐晕,以减少VR疾病时,使用放大的头部旋转,而不是基于机器人的输入。我们还调查是否诱导VR疾病是用户的头部加速度或速度的结果,通过引入两种不同的渐晕模式,一种由加速度触发,另一种由速度触发。我们的依赖措施是VR前后的疾病问卷调查,以及在实验的每一分钟评估的估计不适水平。我们的研究结果显示了没有晕映的基线条件以及两种晕映方法之间的有趣效果,通常表明晕映方法并没有成功地减少大多数参与者的VR疾病,相反,导致显着增加。我们讨论了我们的研究结果和潜在的解释。
Redirected and amplified head movements have the potential to provide more natural interaction with virtual environments (VEs) than using controller-based input, which causes large discrepancies between visual and vestibular self-motion cues and leads to increased VR sickness. However, such amplified head movements may also exacerbate VR sickness symptoms over no amplification. Several general methods have been introduced to reduce VR sickness for controller-based input inside a VE, including a popular vignetting method that gradually reduces the field of view.In this paper, we investigate the use of vignetting to reduce VR sickness when using amplified head rotations instead of controller-based input. We also investigate whether the induced VR sickness is a result of the user's head acceleration or velocity by introducing two different modes of vignetting, one triggered by acceleration and the other by velocity. Our dependent measures were pre and post VR sickness questionnaires as well as estimated discomfort levels that were assessed each minute of the experiment. Our results show interesting effects between a baseline condition without vignetting, as well as the two vignetting methods, generally indicating that the vignetting methods did not succeed in reducing VR sickness for most of the participants and, instead, lead to a significant increase. We discuss the results and potential explanations of our findings.
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