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IEEE Conference on Virtual Reality and 3D User Interfaces (IEEE VR)

作者： Lee, Hyunjin Woo, Woontack KAIST UVR Lab Daejeon South Korea KAIST KI ITC ARRC Daejeon South Korea

ISBN: (纸本)9781665484022

Providing additional information in the proper position of augmented reality (AR) head-mounted display (HMD) can help increase AR performance and usability for dual-task. Therefore, our study investigated how to place notifications for the dual-task to address this. We compared eight display positions and two tasks (single and dual tasks) to identify the appropriate area for displaying notifications. We confirmed that the middle-right reduces response time and task load. In contrast, the top-left is the location, which should avoid providing any notification in AR dual-task. Our study contributes to designing AR notifications on HMDs to enhance everyday AR experiences.

关键词： human-centered computing human Computer Interaction (HCI) Interaction paradigms Virtual reality, Mixed / augmented reality

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HoloCMDS: Investigating Around Field of View Glanceable Commands Selection in AR-HMDs

HoloCMDS: Investigating Around Field of View Glanceable Comm...

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IEEE Conference on Virtual Reality and 3D User Interfaces (IEEE VR)

作者： Darbar, Rajkumar Prouzeau, Arnaud Hachet, Martin Inria Bordeaux Talence France

ISBN: (纸本)9781665484022

Augmented reality merges the real and virtual worlds seamlessly in real-time. However, we need contextual menus to manipulate virtual objects rendered in our physical space. Unfortunately, designing a menu for augmented reality head-mounted displays (AR-HMDs) is challenging because of their limited display field of view (FOV). In this paper, we propose HoloCMDS (see Section 2) to support quick access of contextual commands in AR-HMDs and conduct an initial experiment to get users' feedback about this technique.

关键词： human-centered computing Mixed Reality human-centered computing User Interface Design

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Exploring Factors Associated with Retention in Computer Science Using Virtual Reality

Exploring Factors Associated with Retention in Computer Scie...

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IEEE Conference on Virtual Reality and 3D User Interfaces (IEEE VR)

作者： Gaddy, Vidya Ortega, Francisco R. Colorado State Univ Ft Collins CO 80523 USA

ISBN: (纸本)9781665484022

In this research, the goal was to dissect the main attributes associated with student engagement in introductory Computer Science (CS) courses. A Virtual Reality simulation and survey were designed. Results indicated that there was a strong positive reaction to goal orientation, and a strong negative reaction to demographic characteristics.

关键词： Applied computing Education human-centered computing human computer interaction (HCI) Interaction paradigmsVirtual reality human-centered computing human computer interaction (HCI) HCI design and evaluation methods User studies

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Capacitive Sensing for Improving Contact Rendering With Tangible Objects in VR

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IEEE TRANSACTIONS ON VISUALIZATION AND COMPUTER GRAPHICS 2021年第4期27卷 2481-2487页

作者： de Tinguy, Xavier Pacchierotti, Claudio Lecuyer, Anatole Marchal, Maud Univ Rennes INSA IRISA InriaCNRS 35042 F-35042 Rennes France Univ Rennes CNRS INRIA IRISA 35042 F-35042 Rennes France Inst Univ France IUF F-75005 Paris France

We combine tracking information from a tangible object instrumented with capacitive sensors and an optical tracking system, to improve contact rendering when interacting with tangibles in VR. A human-subject study shows that combining capacitive sensing with optical tracking significantly improves the visuohaptic synchronization and immersion of the VR experience.

关键词： Optical sensors Tracking Synchronization Capacitive sensors Haptic interfaces Electrodes Rendering (computer graphics) Haptic rendering human computer interaction sensors human-centered computing

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TimeTables: Embodied Exploration of Immersive Spatio-Temporal Data 29

TimeTables: Embodied Exploration of Immersive Spatio-Tempora...

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IEEE Conference on Virtual Reality and 3D User Interfaces (IEEE VR)

作者： Zhang, Yidan Ens, Barrett Satriadi, Kadek Ananta Prouzeau, Arnaud Goodwin, Sarah Monash Univ Melbourne Vic Australia Univ South Australia Adelaide SA Australia Inria Bordeaux France

ISBN: (纸本)9781665496179

We propose TimeTables, a novel prototype system that aims to support data exploration, using embodiment with space-time cubes in virtual reality. TimeTables uses multiple space-time cubes on virtual tabletops, which users can manipulate by extracting time layers or individual buildings to create new tabletop views. The surrounding environment includes a large space for multiple linked tabletops and a storage wall. TimeTables presents information at different time scales by stretching layers to drill down in time. Users can also jump into tabletops to inspect data from an egocentric perspective. We present a use case scenario of energy consumption displayed on a university campus to demonstrate how our system could support data exploration and analysis over space and time. From our experience and analysis we believe the system has a high potential in assisting spatio-temporal data exploration and analysis.

关键词： human-centered computing Visualization Visualization application domains Information visualization human-centered computing human computer interaction (HCI) Interaction paradigms Virtual reality human-centered computing human computer interaction (HCI) Interaction techniques

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Asymmetric Lateral Field-of-View Restriction to Mitigate Cybersickness During Virtual Turns 29

Asymmetric Lateral Field-of-View Restriction to Mitigate Cyb...

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IEEE Conference on Virtual Reality and 3D User Interfaces (IEEE VR)

作者： Wu, Fei Rosenberg, Evan Suma Univ Minnesota Minneapolis MN 55455 USA

ISBN: (纸本)9781665496179

Field-of-view (FOV) restriction is a common technique to reduce cybersickness in commercial virtual reality (VR) applications. However, the majority of existing FOV restriction techniques are implemented as symmetric imagery, which occludes users' views during virtual rotation. In this paper, we proposed and evaluated a novel variant of FOV restriction, referred to as a side restrictor. Side restriction uses an asymmetric mask to obscure only one side region of the periphery during virtual rotation and laterally shifts the center of restriction towards the direction of the turn. We conducted a study using a between-subjects design that compared the side restrictor, a traditional symmetric restrictor, and a control condition without FOV restriction. Participants were required to navigate through a complex maze-like environment using a controller using one of three restrictors. Compared to the control condition, the side restrictor was effective in mitigating cybersickness, reducing discomfort, improving subjective visibility, and enabling users to remain immersed for a longer period of time. Additionally, we found no empirical evidence of negative drawbacks when compared to the symmetric restrictor, which suggests that side restriction is an effective cybersickness mitigation technique for virtual environments with frequent turns.

关键词： human-centered computing human computer interaction (HCI) Interaction paradigms Virtual reality human-centered computing human computer interaction (HCI) HCI design and evaluation methods User studies

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The Stare-in-the-Crowd Effect in Virtual Reality 29

The Stare-in-the-Crowd Effect in Virtual Reality

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IEEE Conference on Virtual Reality and 3D User Interfaces (IEEE VR)

作者： Raimbaud, Pierre Jovane, Alberto Zibrek, Katja Pacchierotti, Claudio Christie, Marc Hoyet, Ludovic Pettre, Julien Olivier, Anne-Helene Univ Rennes IRISA CNRS INRIA Rennes France Univ Rennes INRIA IRISA CNRSM2S Rennes France

ISBN: (纸本)9781665496179

Nonverbal cues are paramount in real-world interactions. Among these cues, gaze has received much attention in the literature. In particular, previous work has shown a search asymmetry between directed and averted gaze towards the observer using photographic stimuli, with faster detection and longer fixation towards directed gaze by the observer. This is known as the stare-in-the-crowd effect. In this study, we investigate whether stare-in-the crowd effect is preserved in Virtual Reality (VR). To this end, we designed a within-subject experiment where 30 human users were immersed in a virtual environment in front of an audience of 11 virtual agents following 4 different gaze behaviours. We analysed the user's gaze behaviour when observing the audience, computing fixations and dwell time. We also collected the users' social anxiety score using a post-experiment questionnaire to control for some potential influencing factors. Results show that the stare-in-the-crowd effect is preserved in VR, as demonstrated by the significant differences between gaze behaviours, similarly to what was found in previous studies using photographic stimuli. Additionally, we found a negative correlation between dwell time towards directed gazes and users' social anxiety scores. Such results are encouraging for the development of expressive and reactive virtual humans, which can be animated to express natural interactive behaviour.

关键词： human-centered computing Visualization Visualization design and evaluation methods human-centered computing User studies Applied computing Law, social and behavioral sciences

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Video2Force: Experiencing Object Motion in Video with Dynamic Force Feedback based on Bio-Inspired Sensing and Processing

Video2Force: Experiencing Object Motion in Video with Dynami...

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IEEE Conference on Virtual Reality and 3D User Interfaces (IEEE VR)

作者： Zhao, Guangxin Wang, Zhaobo Chen, Xiaoming Lu, Zhicheng Chung, Yuk Ying Li, Haisheng Beijing Technol & Business Univ Sch Comp Sci & Eng Beijing Peoples R China Univ Sydney Sch Comp Sci Sydney NSW Australia

ISBN: (纸本)9781665484022

In this work, we propose Video2Force, a framework that can estimate the video object motion and its resulting "force" by leveraging the emerging bio-inspired vision sensors for low-complexity and low-latency visual information processing. While the user watches video, the estimated force is "delivered" to the user's sensation with dynamic force feedback via emerging haptic gloves, synchronized with the video content. Consequently, the user is enabled to experience the "virtual existence" of the video object and its motion. Preliminary experimental results demonstrate that Video2Force is feasible and can enhance the users' presence in video experience.

关键词： human-centered computing Empirical studies in HCI human-centered computing Virtual reality

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A Testbed for Exploring Multi-Level Precueing in Augmented Reality

A Testbed for Exploring Multi-Level Precueing in Augmented R...

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IEEE Conference on Virtual Reality and 3D User Interfaces (IEEE VR)

作者： Liu, Jen-Shuo Tversky, Barbara Feiner, Steven Columbia Univ Dept Comp Sci New York NY 10027 USA Columbia Univ Teachers Coll Dept Human Dev New York NY 10027 USA

ISBN: (纸本)9781665484022

Precueing information about upcoming subtasks prior to performing them has the potential to make an entire task faster and easier to accomplish than cueing only the current subtask. Most AR and VR research on precueing has addressed path-following tasks requiring simple actions at a series of locations, such as pushing a button or just visiting that location. We present a testbed for exploring multi-level precueing in a richer task that requires the user to move their hand between specified locations, transporting an object between some of them, and rotating it to a designated orientation.

关键词： human-centered computing human computer interaction (HCI) Interaction paradigms Mixed / augmented reality computing methodologies Computer graphics Graphics systems and interfaces Perception

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Position Paper: Are We Making Progress In Visualization Research? 9

Position Paper: Are We Making Progress In Visualization Rese...

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9th IEEE Evaluation and Beyond - Methodological Approaches for Visualization (BELIV)

作者： Correll, Michael Tableau Res Amherst MA 02459 USA

ISBN: (数字)9798350396294

ISBN: (纸本)9798350396294

In this work I use a survey of senior visualization researchers and thinkers to ideate about the notion of progress in visualization research: how are we growing as a field, what are we building towards, and are our existing methods sufficient to get us there? My respondents discussed several potential challenges for visualization research in terms of knowledge formation: a lack of rigor in the methods used, a lack of applicability to actual communities of practice, and a lack of theoretical structures that incorporate everything that happens to people and to data both before and after the few seconds when a viewer looks at a value in a chart. Orienting the field around progress (if such a thing is even desirable, which is another point of contention) I believe will require drastic re-conceptions of what the field is, what it values, and how it is taught.

关键词： human-centered computing Visualization Visualization theory, concepts and paradigms human-centered computing Visualization Visualization design and evaluation methods

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