User elicited gesture-based locomotion techniques for immersive VEs in a seated position: a comparative evaluation

IF 3.2 Q2 COMPUTER SCIENCE, SOFTWARE ENGINEERING Frontiers in virtual reality Pub Date : 2023-08-30 DOI:10.3389/frvir.2023.1169654
P. Ganapathi, K. Sorathia
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Abstract

Locomotion is a fundamental task for exploring and interacting in virtual environments (VEs), and numerous locomotion techniques have been developed to improve the perceived realism and efficiency of movement in VEs. Gesture-based locomotion techniques have emerged as a more natural and intuitive mode of interaction than controller-based methods of travel in VEs. In this paper, we investigate the intuitiveness, comfort, ease of use, performance, presence, simulation sickness, and user preference of three user-elicited body-based gestures: the Calling gesture, Deictic Pointing gesture, and Mirror Leaning gesture. These gestures are intended to be used in three different seated multitasking scenarios involving virtual travel and various levels of hand engagement in selection. In the first study, participants compared the Calling gesture with the Tapping and Teleportation gestures for Scenario 1, which involved virtual travel only. The Calling gesture was found to be the most intuitive, with increased presence, while the Teleportation gesture was the preferred travel technique. The second study involved participants comparing the Deictic Pointing gesture with the Tapping and Teleportation gestures for Scenario 2, which involved virtual travel and one hand engaged in selection. The Deictic Pointing gesture was found to be more intuitive than the other gestures in terms of performance, comfort, ease of use, and presence. The third study introduced a new group of participants who compared the Mirror Leaning gesture with the Tapping and Teleportation gestures for Scenario 3, which involved virtual travel and both hands engaged in selection. The Mirror Leaning gesture was found to be the most intuitive, with increased presence and performance compared to the other gestures. We compared the gestures of the scenarios in three complementary search tasks: traveling in a straight-line path, moving in a directed path, and moving in an undirected path. We believe that the qualitative and quantitative measures obtained from our studies will help researchers and interaction design experts to design efficient and effective gesture-based locomotion techniques for traveling in a seated position in multitasking VEs.
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基于用户手势的坐姿沉浸式视觉运动技术的比较评价
运动是在虚拟环境中探索和交互的一项基本任务,已经开发了许多运动技术来提高虚拟环境中运动的感知真实性和效率。与基于控制器的VEs旅行方法相比,基于手势的运动技术已经成为一种更自然、更直观的互动模式。在本文中,我们研究了三种用户引发的基于身体的手势的直观性、舒适性、易用性、性能、存在性、模拟病态和用户偏好:呼叫手势、指示指向手势和靠镜手势。这些手势旨在用于三种不同的坐姿多任务场景,包括虚拟旅行和不同级别的手参与选择。在第一项研究中,参与者将场景1中的“呼叫”手势与“轻敲”和“传送”手势进行了比较,场景1仅涉及虚拟旅行。呼叫手势被发现是最直观的,存在感更强,而远程传送手势是首选的旅行技巧。第二项研究涉及参与者将场景2的指示手势与轻拍和传送手势进行比较,场景2涉及虚拟旅行和一只手参与选择。在性能、舒适度、易用性和在场性方面,指示手势比其他手势更直观。第三项研究引入了一组新的参与者,他们将场景3中的“倚镜”手势与“轻拍”和“传送”手势进行了比较,场景3涉及虚拟旅行和双手参与选择。“倚镜”手势被认为是最直观的,与其他手势相比,它的存在感和性能都有所提高。我们比较了三个互补搜索任务中场景的手势:沿直线路径行进、沿有向路径移动和沿无向路径移动。我们相信,从我们的研究中获得的定性和定量测量将有助于研究人员和交互设计专家设计高效、有效的基于手势的移动技术,用于在多任务视觉中以坐姿行进。
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来源期刊
CiteScore
5.80
自引率
0.00%
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0
审稿时长
13 weeks
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