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464 results on '"Thomas, Bruce H."'

1. Putting Our Minds Together: Iterative Exploration for Collaborative Mind Mapping

Author

Yang, Ying, Dwyer, Tim, Swiecki, Zachari, Lee, Benjamin, Wybrow, Michael, Cordeil, Maxime, Wulandari, Teresa, Thomas, Bruce H., and Billinghurst, Mark

Subjects
Computer Science - Human-Computer Interaction
Abstract

We delineate the development of a mind-mapping system designed concurrently for both VR and desktop platforms. Employing an iterative methodology with groups of users, we systematically examined and improved various facets of our system, including interactions, communication mechanisms and gamification elements, to streamline the mind-mapping process while augmenting situational awareness and promoting active engagement among collaborators. We also report our observational findings on these facets from this iterative design process., Comment: Accepted at AHs 2024

Published
2024
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2. Towards Immersive Collaborative Sensemaking

Author

Yang, Ying, Dwyer, Tim, Wybrow, Michael, Lee, Benjamin, Cordeil, Maxime, Billinghurst, Mark, and Thomas, Bruce H.

Subjects
Computer Science - Human-Computer Interaction
Abstract

When collaborating face-to-face, people commonly use the surfaces and spaces around them to perform sensemaking tasks, such as spatially organising documents, notes or images. However, when people collaborate remotely using desktop interfaces they no longer feel like they are sharing the same space. This limitation may be overcome through collaboration in immersive environments, which simulate the physical in-person experience. In this paper, we report on a between-groups study comparing collaborations on image organisation tasks, in an immersive Virtual Reality (VR) environment to more conventional desktop conferencing. Collecting data from 40 subjects in groups of four, we measured task performance, user behaviours, collaboration engagement and awareness. Overall, the VR and desktop interface resulted in similar speed, accuracy and social presence rating, but we observed more conversations and interaction with objects, and more equal contributions to the interaction from participants within groups in VR. We also identified differences in coordination and collaborative awareness behaviours between VR and desktop platforms. We report on a set of systematic measures for assessing VR collaborative experience and a new analysis tool that we have developed to capture user behaviours in collaborative setting. Finally, we provide design considerations and directions for future work., Comment: Accepted at ACM ISS 2022

Published
2022
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5. VRMenuDesigner: A toolkit for automatically generating and modifying VR menus

Author

Hou, Shengzhe and Thomas, Bruce H.

Subjects
Computer Science - Human-Computer Interaction
Abstract

With the rapid development of Virtual Reality (VR) technology, the research of User Interface (UI), especially menus, in the VR environment has attracted more and more attention. However, it is very tedious for researchers to develop UI from scratch or modify existing functions and there are no easy-to-use tools for efficient development. This paper aims to present VRMenuDesigner, a flexible and modular toolkit for automatically generating/modifying VR menus. This toolkit is provided as open-source library and easy to extend to adapt to various requirements. The main contribution of this work is to organize the menus and functions with object-oriented thinking, which makes the system very understandable and extensible. VRMenuDesigner includes two key tools: Creator and Modifier for quickly generating and modifying elements. Moreover, we developed several built-in menus and discussed their usability. After a brief review and taxonomy of 3D menus, the architecture and implementation of the toolbox are introduced.

Published
2021
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8. VR/AR Case Studies

Author

Doerner, Ralf, Tesch, Alexander, Hildebrand, Axel, Leenders, Stephan, Tropper, Tobias, Wilke, Wilhelm, Winkler, Christian, Hillig, Julian, Pestov, Alec, Walsh, James A., Thomas, Bruce H., Kimenkowski, Gerhard, Walton, Stephen, Kuhlen, Torsten W., Matthys, Geert, Regenbrecht, Holger, Heinrich, Chris, Shang, Xiumin, Kallmann, Marcelo, Lok, Benjamin, Jimenez, Francisco A., Wilson, Cheryl, Latoschik, Marc Erich, Wienrich, Carolin, Grafe, Silke, Botsch, Mario, Collins, Jonny, Doerner, Ralf, editor, Broll, Wolfgang, editor, Grimm, Paul, editor, and Jung, Bernhard, editor

Published
2022
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12. Situated Analytics

Author

Thomas, Bruce H., Welch, Gregory F., Dragicevic, Pierre, Elmqvist, Niklas, Irani, Pourang, Jansen, Yvonne, Schmalstieg, Dieter, Tabard, Aurélien, ElSayed, Neven A. M., Smith, Ross T., Willett, Wesley, Hutchison, David, Series Editor, Kanade, Takeo, Series Editor, Kittler, Josef, Series Editor, Kleinberg, Jon M., Series Editor, Mattern, Friedemann, Series Editor, Mitchell, John C., Series Editor, Naor, Moni, Series Editor, Pandu Rangan, C., Series Editor, Steffen, Bernhard, Series Editor, Terzopoulos, Demetri, Series Editor, Tygar, Doug, Series Editor, Weikum, Gerhard, Series Editor, Marriott, Kim, editor, Schreiber, Falk, editor, Dwyer, Tim, editor, Klein, Karsten, editor, Riche, Nathalie Henry, editor, Itoh, Takayuki, editor, Stuerzlinger, Wolfgang, editor, and Thomas, Bruce H., editor

Published
2018
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13. Immersive Analytics: An Introduction

Author

Dwyer, Tim, Marriott, Kim, Isenberg, Tobias, Klein, Karsten, Riche, Nathalie, Schreiber, Falk, Stuerzlinger, Wolfgang, Thomas, Bruce H., Hutchison, David, Series Editor, Kanade, Takeo, Series Editor, Kittler, Josef, Series Editor, Kleinberg, Jon M., Series Editor, Mattern, Friedemann, Series Editor, Mitchell, John C., Series Editor, Naor, Moni, Series Editor, Pandu Rangan, C., Series Editor, Steffen, Bernhard, Series Editor, Terzopoulos, Demetri, Series Editor, Tygar, Doug, Series Editor, Weikum, Gerhard, Series Editor, Marriott, Kim, editor, Schreiber, Falk, editor, Dwyer, Tim, editor, Klein, Karsten, editor, Riche, Nathalie Henry, editor, Itoh, Takayuki, editor, Stuerzlinger, Wolfgang, editor, and Thomas, Bruce H., editor

Published
2018
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17. AR Presentation of Team Members' Performance and Inner Status to Their Leader: A Comparative Study.

Author

Rinnert, Thomas, Walsh, James, Fleury, Cédric, Coppin, Gilles, Duval, Thierry, and Thomas, Bruce H.

Subjects
VIRTUAL work teams, MIXED reality, REPRESENTATIONS of graphs, AUGMENTED reality, TEAMS in the workplace, VIRTUAL reality
Abstract

Real-time and high-intensity teamwork management is complex, as team leaders must ensure good results while also considering the well-being of team members. Given that stress and other factors directly impact team members' output volume and error rate, these team leaders must be aware of and manage team stress levels in combination with allocating new work. This paper examines methods for visualizing each team member's status in mixed reality, which, combined with a simulated stress model for virtual team members, allows the team leader to take into account team members' individual statuses when choosing whom to allocate work. Using simulated Augmented Reality in Virtual Reality, a user study was conducted where participants acted as team leaders, putting simulated team members under stress by allocating several required work tasks while also being able to review the stress and status of each team member. The results showed that providing Augmented Reality feedback on team members' internal status increases the team's overall performance, as team leaders can better allocate new work to reduce team members' stress-related errors while maximizing output. Participants preferred having a graph representation for stress levels despite performing better with a text representation. [ABSTRACT FROM AUTHOR]

Published
2024
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20. ProxSituated Visualization

Author

Satriadi, Kadek Ananta, primary, Cunningham, Andrew, additional, Smith, Ross T., additional, Dwyer, Tim, additional, Drogemuller, Adam, additional, and Thomas, Bruce H., additional

Published
2023
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25. GION: Interactively Untangling Large Graphs on Wall-Sized Displays

Author

Marner, Michael R., Smith, Ross T., Thomas, Bruce H., Klein, Karsten, Eades, Peter, Hong, Seok-Hee, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Kobsa, Alfred, Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Nierstrasz, Oscar, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Weikum, Gerhard, Series editor, Duncan, Christian, editor, and Symvonis, Antonios, editor

Published
2014
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35. Immersive Analytics: An Introduction

Author

Dwyer, Tim, primary, Marriott, Kim, additional, Isenberg, Tobias, additional, Klein, Karsten, additional, Riche, Nathalie, additional, Schreiber, Falk, additional, Stuerzlinger, Wolfgang, additional, and Thomas, Bruce H., additional

Published
2018
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36. Situated Analytics

Author

Thomas, Bruce H., primary, Welch, Gregory F., additional, Dragicevic, Pierre, additional, Elmqvist, Niklas, additional, Irani, Pourang, additional, Jansen, Yvonne, additional, Schmalstieg, Dieter, additional, Tabard, Aurélien, additional, ElSayed, Neven A. M., additional, Smith, Ross T., additional, and Willett, Wesley, additional

Published
2018
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37. Event Related Brain Responses Reveal the Impact of Spatial Augmented Reality Predictive Cues on Mental Effort

Author

Volmer, Benjamin, Baumeister, James, Von Itzstein, Stewart, Schlesewsky, Matthias, Bornkessel-Schlesewsky, Ina, and Thomas, Bruce H.

Abstract

This article presents the results from a Spatial Augmented Reality (SAR) study which evaluated the cognitive cost of several predictive cues. Participants performed a validated procedural button pressing task, where the predictive cue annotations guided them to the upcoming task. While existing research has evaluated predictive cues based on their performance and self-rated mental effort, actual cognitive cost has yet to be investigated. To measure the user's brain activity, this study utilized electroencephalogram (EEG) recordings. Cognitive load was evaluated by measuring brain responses for a secondary auditory oddball task, with reduced brain responses to oddball tones expected when cognitive load in the primary task is highest. A simple monitor n-back task and procedural task comparing monitor versus SAR were conducted, followed by a version of the procedural task comparing the SAR predictive cues. Results from the brain responses were able to distinguish between performance enhancing cues with a high and low cognitive load. Electrical brain responses also revealed that having an arc or arrow guide towards the upcoming task required the least amount of mental effort.

Published
2023
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43. Immersive Analytics 2.0: Spatial and Embodied Sensemaking

Author

Ens, Barrett, primary, Cordeil, Maxime, additional, North, Chris, additional, Dwyer, Tim, additional, Besançon, Lonni, additional, Prouzeau, Arnaud, additional, Liu, Jiazhou, additional, Cunningham, Andrew, additional, Drogemuller, Adam, additional, Satriadi, Kadek Ananta, additional, and Thomas, Bruce H, additional

Published
2022
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