Locomotion by Natural Gestures for Immersive Virtual Environments

Ferracani, Andrea; Pezzatini, Daniele; Bianchini, Jacopo; Biscini, Gianmarco; Bimbo, Alberto Del

doi:10.1145/2983298.2983307

Cited by 51 publications

(26 citation statements)

References 15 publications

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“…For instance, point-and-click teleportation is now a widely used VR locomotion technique and is fully integrated in commercial VR systems, such as the HTC Vive and the Oculus Rift [1]. Motion-based locomotion techniques-including 2 Advances in Human-Computer Interaction swimming, climbing, flying and walking-in-place-have become more robust and user-friendly [5,15,16], while the real-walking locomotion technique, which was a cumbersome construction [17], now comes with commercial headsets [5,18,19].…”

Section: Introductionmentioning

confidence: 99%

“…Sarupuri et al [32] evaluate and compare game-controller-based VR locomotion techniques, focusing on their newly constructed Trigger-Walking technique. Ferracani et al [15] examine gestureenabled VR locomotion; they present and evaluate two new techniques called Tap and Push. The work of Langbehn et al [33] explores omnidirectional walk-in-place user interfaces by comparing the newly constructed Leaning-Amplified-Speed Walking-in-Place (LAS-WIP) against the traditional walk-in-place interface.…”

Section: Introductionmentioning

confidence: 99%

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VR Locomotion in the New Era of Virtual Reality: An Empirical Comparison of Prevalent Techniques

Boletsis

Cedergren

2019

Advances in Human-Computer Interaction

139

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The latest technical and interaction advancements within the virtual reality (VR) field have marked a new era, not only for VR, but also for VR locomotion. In this era, well-established, prevalent VR locomotion techniques are mostly used as points of comparison for benchmarking of new VR locomotion designs. At the same time, there is the need for more exploratory, comparative studies of contemporary VR locomotion techniques, so that their distinguished interaction aspects can be documented and guide the design process of new techniques. This article presents a comparative, empirical evaluation study of contemporary and prevalent VR locomotion techniques, examining the user experience (UX) they offer. First, the prevalent VR locomotion techniques are identified based on literature, i.e., walking-in-place, controller/joystick, and teleportation. Twenty-six adults are enrolled in the study and perform a game-like task using the techniques. The study follows a mixed methods approach, utilising the System Usability Scale survey, the Game Experience Questionnaire, and a semistructured interview to assess user experiences. Results indicate that the walking-in-place technique offers the highest immersion but also presents high levels of psychophysical discomfort. Controller/joystick VR locomotion is perceived as easy-to-use due to the users’ familiarity with controllers, whereas teleportation is considered to be effective due to its fast navigation, although its visual ‘jumps’ do break the users’ sense of immersion. Based on the interviews, the users focused on the following interaction dimensions to describe their VR locomotion experiences: (i) immersion and flow, (ii) ease-of-use and mastering, (iii) competence and sense of effectiveness, and (iv) psychophysical discomfort. The study implications for VR locomotion are discussed, along with the study limitations and the future direction for research.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

VR Locomotion in the New Era of Virtual Reality: An Empirical Comparison of Prevalent Techniques

Boletsis

Cedergren

2019

Advances in Human-Computer Interaction

139

View full text Add to dashboard Cite

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“…The various gestures (such as tap [18], push [18] and flying [54]) are tracked by input devices, such as the Leap Motion or Microsoft Kinect, and translated into VR motion [18,54,58].…”

Section: Vr Locomotion Techniquesmentioning

confidence: 99%

“…These techniques try to introduce an unnoticeable mismatch between the user's real and virtual movements to compress the larger virtual environment into a limited tracking space [40,47]. • Arm swinging: Users swing their arms while remaining stationary, and their arm movements are translated into VR motion [18,19,49]. The arm movements can be tracked by body-tracking devices (e.g., Microsoft Kinect [18]) or wearable and held devices (e.g., armbands and controllers [19,49]).…”

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confidence: 99%

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The New Era of Virtual Reality Locomotion: A Systematic Literature Review of Techniques and a Proposed Typology

Boletsis

2017

MTI

246

193

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Abstract:The latest technical and interaction advancements that took place in the Virtual Reality (VR) field have marked a new era, not only for VR, but also for VR locomotion. Although the latest advancements in VR locomotion have raised the interest of both researchers and users in analyzing and experiencing current VR locomotion techniques, the field of research on VR locomotion, in its new era, is still uncharted. In this work, VR locomotion is explored through a systematic literature review investigating empirical studies of VR locomotion techniques from 2014-2017. The review analyzes the VR locomotion techniques that have been studied, their interaction-related characteristics and the research topics that were addressed in these studies. Thirty-six articles were identified as relevant to the literature review, and the analysis of the articles resulted in 73 instances of 11 VR locomotion techniques, such as real-walking, walking-in-place, point and teleport, joystick-based locomotion, and more. Results showed that since the VR revival, the focus of VR locomotion research has been on VR technology and various technological aspects, overshadowing the investigation of user experience. From an interaction perspective, the majority of the utilized and studied VR locomotion techniques were found to be based on physical interaction, exploiting physical motion cues for navigation in VR environments. A significant contribution of the literature review lies in the proposed typology for VR locomotion, introducing four distinct VR locomotion types: motion-based, room scale-based, controller-based and teleportation-based locomotion.

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Investigation of the turning speed for immersive environments using freehand‐based technique

et al. 2022

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Designing a natural, usable, and efficient gesture-based virtual locomotion interface in immersive environments has been challenging. Freehand-based virtual locomotion technique (VLT) has the advantage of eliminating the need to see the handhold devices and has been implemented in many applications.Translation control and direction control are two essential components of freehand-based VLT; however, the transfer function of turning speed in direction control has not been well explored. In this article, we systematically investigate the effects of turning speed on freehand-based virtual locomotion for the first time. A transfer function that maps the position of the hand to the turning speed is defined, and three parameters related to the turning speed are investigated. In the experiment, participants are asked to travel in the virtual environment from a first-person perspective with different parameters. Statistical analysis of the experimental results reveals the relationship between the turning speed and the traveling performance as well as the traveling experience.

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Locomotion by Natural Gestures for Immersive Virtual Environments

Cited by 51 publications

References 15 publications

VR Locomotion in the New Era of Virtual Reality: An Empirical Comparison of Prevalent Techniques

VR Locomotion in the New Era of Virtual Reality: An Empirical Comparison of Prevalent Techniques

The New Era of Virtual Reality Locomotion: A Systematic Literature Review of Techniques and a Proposed Typology

Investigation of the turning speed for immersive environments using freehand‐based technique

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