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检索条件"主题词=Human-centered computing"

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SURVIVRS: Surround Video -Based Virtual Reality for Surgery Guidance

SURVIVRS: Surround Video -Based Virtual Reality for Surgery ...

引用

30th IEEE Conference Virtual Reality and 3D User Interfaces (IEEE VR)

作者： Taweel, Amani Jorge, Joaquim Maciel, Anderson Vissoci, Joao Ricardo Nickenig Kopper, Regis UNC Greensboro Dept Comp Sci Greensboro NC 27412 USA ULisboa IST INESC ID Lisbon Portugal Duke Univ Duke Global Hlth Inst Durham NC 27706 USA

ISBN: (纸本)9798350348392

There is a strong demand for virtual reality (VR) to bring quality healthcare to underserved populations. This paper addresses this need with the design and prototype of SURVIVRS: Surround Video Based Virtual Reality for Surgery Guidance. SURVIVRS allows a remote specialist to guide a local surgery team through a virtual reality (VR) telepresence interface. SURVIVRS is motivated by a need for medical expertise in remote and hard-to-reach areas, such as low-to -middle-income countries (LMICs). The remote surgeon interface allows the live observation of a procedure and combines 3D user interface annotation and communication tools on streams of the surgical site and the patient vitals monitor. SURVIVRS also supports debriefing and educational experiences by offering the ability for users to watch recorded surgeries from the point of view of the remote expert. The main contributions of this work are: the feasibility demonstration of the SURVIVRS system through a rigorous 3D user interface design process;the implementation of a prototype application that realizes the proposed design;and a usability evaluation of SURVIVRS showing that the tool was highly favored by users from the general population. The paper discusses the next steps in this line of research aimed at more equitable and diverse access to healthcare.

关键词： human-centered computing human computer interaction (HCI) Interaction paradigms Virtualreality

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Design and User Experience Evaluation of 3D Product Information in XR Shopping Application

Design and User Experience Evaluation of 3D Product Informat...

引用

30th IEEE Conference Virtual Reality and 3D User Interfaces (IEEE VR)

作者： Qin, Kaitong Zhen, Yankun Dong, Tianshu Chen, Liuqing Sun, Lingyun Zhang, Yumou Zhou, Ting Ting Zhejiang Univ Hangzhou Peoples R China Alibaba Grp Hangzhou Peoples R China

ISBN: (纸本)9798350348392

Current 31) product information pages are believed to enrich the online shopping experience since it provides a more immersive experience. However, existing solutions still retain the 2D UI elements in the product information presentation design, preventing users from fully immersing themselves in the virtual environment and further degrading the shopping experience. In order to evaluate the user experience of 3D product information in XR shopping applications, we first construct a design space based on previous design cases of product information presentation in virtual environments and produce nine new solutions by combining elements in the design space.

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

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"Can You Move It?": The Design and Evaluation of Moving VR Shots in Sport Broadcast 22

"Can You Move It?": The Design and Evaluation of Moving VR S...

引用

22nd IEEE International Symposium on Mixed and Augmented Reality (ISMAR)

作者： Zhu, Xiuqi Wang, Chenyi Guo, Zichun Zhao, Yifan Jiao, Yang Tsinghua Univ Future Lab Beijing Peoples R China Northeastern Univ Boston MA 02115 USA KTH Royal Inst Technol Stockholm Sweden Beijing Univ Chem Technol Beijing Peoples R China Columbia Univ New York NY USA

ISBN: (纸本)9798350328387

Virtual Reality (VR) broadcasting has seen widespread adoption in major sports events, attributed to its ability to generate a sense of presence, curiosity, and excitement among viewers. However, we have noticed that still shots reveal a limitation in the movement of VR cameras and hinder the VR viewing experience in current VR sports broadcasts. This paper aims to bridge this gap by engaging in a quantitative user analysis to explore the design and impact of dynamic VR shots on viewing experiences. We conducted two user studies in a digital hockey game twin environment and asked participants to evaluate their viewing experience through two questionnaires. Our findings suggested that the viewing experiences demonstrated no notable disparity between still and moving shots for single clips. However, when considering entire events, moving shots improved the viewer's immersive experience, with no notable increase in sickness compared to still shots. We further discuss the benefits of integrating moving shots into VR sports broadcasts and present a set of design considerations and potential improvements for future VR sports broadcasting.

关键词： human-centered computing human-Computer Interaction Empirical studies in HCI

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A Large-Scale Study of Proxemics and Gaze in Groups 30

A Large-Scale Study of Proxemics and Gaze in Groups

引用

30th IEEE Conference Virtual Reality and 3D User Interfaces (IEEE VR)

作者： Miller, Mark Roman DeVeaux, Cyan Han, Eugy Ram, Nilam Bailenson, Jeremy N. Stanford Univ Comp Sci Stanford CA 94305 USA Stanford Univ Commun Stanford CA 94305 USA Stanford Univ Commun Psychol Stanford CA 94305 USA

ISBN: (纸本)9798350348156

Scholars who study nonverbal behavior have focused an incredible amount of work on proxemics, how close people stand to one another, and mutual gaze, whether or not they are looking at one another. Moreover, many studies have demonstrated a correlation between gaze and distance, and so-called equilibrium theory posits that people modulate gaze and distance to maintain proper levels of nonverbal intimacy. Virtual reality scholars have also focused on these two constructs, both for theoretical reasons, as distance and gaze are often used as proxies for psychological constructs such as social presence, and for methodological reasons, as head orientation and body position are automatically produced by most VR tracking systems. However, to date, the studies of distance and gaze in VR have largely been conducted in laboratory settings, observing behavior of a small number of participants for short periods of time. In this experimental field study, we analyze the proxemics and gaze of 232 participants over two experimental studies who each contributed up to about 240 minutes of tracking data during eight weekly 30-minute social virtual reality sessions. Participants' non-verbal behaviors changed in conjunction with context manipulations and over time. Interpersonal distance increased with the size of the virtual room;and both mutual gaze and interpersonal distance increased over time. Overall, participants oriented their heads toward the center of walls rather than to corners of rectangularly-aligned environments. Finally, statistical models demonstrated that individual differences matter, with pairs and groups maintaining more consistent differences over time than would be predicted by chance. Implications for theory and practice are discussed.

关键词： human-centered computing human computer interaction (HCI) Interaction paradigms Virtual reality human-centered computing Collaborative and social computing Empirical studies in collaborative and social computing

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Indy Survey Tool: A Framework to Unearth Correlations in Survey Data

Indy Survey Tool: A Framework to Unearth Correlations in Sur...

引用

IEEE Conference on Visualization and Visual Analytics (IEEE VIS)

作者： Crnovrsanin, Tarik Di Bartolomeo, Sara Wilson, Connor Dunne, Cody Northeastern Univ Boston MA 02115 USA

ISBN: (纸本)9798350325577

Survey companion websites allow users to explore collected survey information more deeply, as well as update or add entries for papers. These sites can help information stay relevant past the original release date of the survey paper. However, creating and maintaining a website can be laborious and difficult, especially when authors might not be experienced with programming. We introduce Indy Survey Tool to help authors develop companion websites for survey papers across diverse fields of study. The tool's core aim is to identify correlations between categorizations of papers. To accomplish this, the tool offers multiple combined filters and correlation matrix visualizations that enable users to explore the data from diverse perspectives. The tool's visualizations, list of papers, and filters are harmoniously integrated and highly responsive, providing users with feedback based on their selections. Identifying correlations in survey papers is a pivotal aspect of research, as it can enable the recognition of common combinations of categorizations within the papers-as well as highlight any omissions. The versatility of Indy Survey Tool enables researchers to delve into the correlations between categorizations in survey data, an essential aspect of research that can reveal gaps in the literature and highlight promising areas for future exploration. A preprint and supplemental material for the paper can be found at ***/tdhqn.

关键词： Software tool systematic review literature review survey co-occurrence visualization human-centered computing Visualization Visualization systems and tools Visualization toolkits General and reference Document types-Surveys and overviews

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Cross-View Visual Geo-Localization for Outdoor Augmented Reality 30

Cross-View Visual Geo-Localization for Outdoor Augmented Rea...

引用

30th IEEE Conference Virtual Reality and 3D User Interfaces (IEEE VR)

作者： Mithun, Niluthpol Chowdhury Minhas, Kshitij S. Chiu, Han-Pang Oskiper, Taragay Sizintsev, Mikhail Samarasekera, Supun Kumar, Rakesh SRI Int Ctr Vis Technol Princeton NJ 08540 USA

ISBN: (纸本)9798350348156

Precise estimation of global orientation and location is critical to ensure a compelling outdoor Augmented Reality (AR) experience. We address the problem of geo-pose estimation by cross-view matching of query ground images to a geo-referenced aerial satellite image database. Recently, neural network-based methods have shown state-of-the-art performance in cross-view matching. However, most of the prior works focus only on location estimation, ignoring orientation, which cannot meet the requirements in outdoor AR applications. We propose a new transformer neural network-based model and a modified triplet ranking loss for joint location and orientation estimation. Experiments on several benchmark cross-view geo-localization datasets show that our model achieves state-of-theart performance. Furthermore, we present an approach to extend the single image query-based geo-localization approach by utilizing temporal information from a navigation pipeline for robust continuous geo-localization. Experimentation on several large-scale real-world video sequences demonstrates that our approach enables high-precision and stable AR insertion.

关键词： human-centered computing human computer interaction (HCI) Interaction paradigms Mixed / augmented reality

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Using Empathic Mixed Reality Agents for Remote Collaboration

Using Empathic Mixed Reality Agents for Remote Collaboration

引用

30th IEEE Conference Virtual Reality and 3D User Interfaces (IEEE VR)

作者： Chang, Zhuang Univ Auckland Auckland Bioengn Inst Auckland New Zealand

ISBN: (纸本)9798350348392

This paper describes research on using Empathic Mixed Reality Agents (EMiRAs) for enhancing remote collaboration. Adopting Mixed Reality (MR) for remote collaboration is a promising solution which uses virtual avatars and visual cues to allow people to communicate naturally in three-dimensional (3D) MR environments. Advances in Artificial Intelligence (AI) make it possible to form hybrid teams of humans and AI driven virtual agents in MR environments. Forming hybrid teams to enhance human-to-human collaboration could be a promising way to take advantage of the complementary nature of human and AI agents. However, there still needs to be research conducted on how hybrid teams like this can improve MR remote collaboration. My research is focused on designing and evaluating EMiRAs for enhancing human-to-human remote collaboration. In this doctoral consortium presentation, I will introduce the EMiRA concept by identifying the convergence of Empathic computing, MR and AI Agent. In the paper, I discuss the research motivation, recently published study results and plans for future work.

关键词： human-centered computing human computer interaction (HCI) empirical study human-centered computing Collaborative and social computing Empirical studies in collaborative and social computing

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High-Frame-Rate Projection with Thousands of Frames Per Second Based on the Multi-Bit Superimposition Method 22

High-Frame-Rate Projection with Thousands of Frames Per Seco...

引用

22nd IEEE International Symposium on Mixed and Augmented Reality (ISMAR)

作者： Nakagawa, Soran Watanabe, Yoshihiro Tokyo Inst Technol Tokyo Japan

ISBN: (纸本)9798350328387

The growing need for high-frame-rate projectors in the fields of dynamic projection mapping (DPM) and three-dimensional (3D) displays has increased. Conventional methods allow for an increase in the frame rate to as much as 2,841 frames per second (fps) for 8-bit image projection, using digital light processing (DLP) technology when the minimum digital mirror device (DMD) control time is 44 mu s. However, this rate needs to be further augmented to suit specific applications. In this study, we developed a novel high-frame-rate projection method, which divides the bit depth of an image among multiple projectors and simultaneously projects them in synchronization. The simultaneously projected bit images are superimposed such that a high-bit-depth image is generated within a reduced single-frame duration. Additionally, we devised an optimization process to determine the system parameters necessary for attaining maximum brightness. We constructed a prototype system utilizing two high-frame-rate projectors and validated the feasibility of using our system to project 8-bit images at a rate of 5,600 fps. Furthermore, the quality assessment of our projected image exhibited superior performance in comparison to a dithered image.

关键词： human-centered computing human computer interaction (HCI) Interaction paradigms Mixed / augmented reality Hardware-Communication hardware, interfaces, and storage Displays and imagers

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Behaviourally-based Synthesis of Scene-aware Footstep Sound

Behaviourally-based Synthesis of Scene-aware Footstep Sound

引用

30th IEEE Conference Virtual Reality and 3D User Interfaces (IEEE VR)

作者： Cheng, Haonan Wang, Zhaoye Huang, Hengyan Cai, Juanjuan Ye, Long Commun Univ China Beijing Peoples R China

ISBN: (纸本)9798350348392

This paper proposes a behaviourally-based scene-aware (BBSA) footstep sound synthesis method for congruent interaction in virtual environments. Most existing methods focus on how to simulate timbre of footstep sound appropriately, but ignore the impact of user behaviour and virtual scenes on footstep sound, which reduces the sense of immersion and presence, To tackle this issue. we classify common user behaviours and design a set of mapping functions between different behaviours and footsteps. To further enhance user immersion. we propose a ray-casting based scene aware sound synthesis method, which allows to synthesize corresponding footstep sounds in real time for indoor and outdoor scenes with different material surfaces, User studies demonstrate that our proposed BBSA method achieves a higher level of immersion and presence. The complete project code is available: https://***/OlyMarco/Behaviourally-based-Synthesisof-Scene-aware-Footstep-Sound-Demo-.

关键词： human-centered computing human computer interaction Interaction techniques Auditory feedback Applied computing Arts and humanities Sound and music computing

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Visualizing Comparisons of Bill of Materials

Visualizing Comparisons of Bill of Materials

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20th IEEE Symposium on Visualization for Cyber Security (VizSec)

作者： Jones, Rebecca Tate, Lucas Pacific Northwest Natl Lab Richland WA 99352 USA

ISBN: (纸本)9798350317930

The complexity of distributed manufacturing and software development coupled with the increasing prevalence of cyber and supply chain attacks necessitates a greater understanding of the hardware and software components that comprise equipment in critical infrastructure. When a vulnerability in a single software library can have disastrous consequences, being able to identify where that library may exist in equipment or software becomes a prerequisite for protecting the overall infrastructure. This need has sparked a large effort around the development and incorporation of bill-of-materials (BOM) into security, asset management, and procurement practices to aid in mitigating, and responding to future attacks. While much of the current research is devoted to creating BOMs, it is equally important to develop methods for comparing them to answer questions, such as: How has my software changed? Are two pieces of equipment equivalent? Does this piece of equipment that just arrived match my historical information? In this work, we demonstrate how BOMs can be represented by graph structures. We then describe how these structures can be fed into a graph comparison algorithm to produce a novel interactive visualization that allows us to not only identify differences in BOMs but show exactly where they are in the product.

关键词： Security and Privacy Formal Methods and Theory of Security Security Requirements human-centered computing Visualization Visualization Techniques Graph Drawings

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