Empirically Evaluating the Effects of Perceptual Information Channels on the Size Perception of Tangibles in Near-Field Virtual Reality
Empirically Evaluating the Effects of Perceptual Information Channels on the Size Perception of Tangibles in Near-Field Virtual Reality
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实证评估近场虚拟现实中感知信息通道对有形物体尺寸感知的影响
DOI：
10.1109/vr50410.2021.00086
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发表时间：
2021
期刊：
影响因子：
--
通讯作者：
Ullmer, Brygg
中科院分区：
文献类型：
--
作者：
de Siqueira, Alexandre Gomes;Venkatakrishnan, Rohith;Venkatakrishnan, Roshan;Bhargava, Ayush;Lucaites, Kathryn;Solini, Hannah;Nasiri, Moloud;Robb, Andrew;Pagano, Christopher;Ullmer, Brygg
融入有形物质的沉浸式虚拟环境（IVEs）正变得越来越容易获得。将3D打印实物与VR相结合的应用程序的成功与否通常取决于尺寸感知的准确性。研究表明，视触觉感知信息在大小感知中起着重要作用。然而，目前尚不清楚这些感官知觉通道如何受到包含有形物体的沉浸式虚拟环境的影响。为了了解不同的感觉信息通道对可抓取尺寸的物体近场尺寸感知的影响，我们进行了一项受试者间研究，评估了三种实验条件（视觉、触觉、视觉和触觉）下尺寸感知的准确性。我们发现，总的来说，无论呈现的感知信息类型如何，参与者始终高估了刻度盘的大小。与其他条件相比，只有触觉组的参与者对直径的高估程度更大。参与者在只有视觉的情况下最准确，而在只有触觉的情况下最不准确。我们的研究结果还显示，随着时间的推移，报告大小的效率提高在视觉触觉条件下最为明显。
Immersive Virtual Environments (IVEs) incorporating tangibles are becoming more accessible. The success of applications combining 3D printed tangibles and VR often depends on how accurately size is perceived. Research has shown that visuo-haptic perceptual information is important in the perception of size. However, it is unclear how these sensory-perceptual channels are affected by immersive virtual environments that incorporate tangible objects. Towards understanding the effects of different sensory information channels in the near field size perception of tangibles of graspable sizes in IVEs, we conducted a between-subjects study evaluating the accuracy of size perception across three experimental conditions (Vision-only, Haptics-only, Vision and Haptics). We found that overall, participants consistently over-estimated the size of the dials regardless of the type of perceptual information that was presented. Participants in the haptics only condition overestimated diameters to a larger degree as compared to other conditions. Participants were most accurate in the vision only condition and least accurate in the haptics only condition. Our results also revealed that increased efficiency in reporting size over time was most pronounced in the visuo- haptic condition.
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