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检索条件"主题词=Human-centered computing"

共 2479 条记录，以下是211-220 订阅

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Eye Tracking Performance in Mobile Mixed Reality

Eye Tracking Performance in Mobile Mixed Reality

引用

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

作者： Awasthi, Satyam Ross, Vivian Lim, Sydney Beyeler, Michael Hollerer, Tobias Univ Calif Santa Barbara Santa Barbara CA 93106 USA

ISBN: (纸本)9798350374490;9798350374506

Implementing and evaluating eye tracking across multiple platforms and use cases can be challenging due to the lack of standardized metrics and measurements. Additionally, existing calibration methods and accuracy measurements often do not account for the common scenarios of walking and scanning in mobile AR settings. We conducted user studies evaluating eye tracking on the Magic Leap One, the Meta Quest Pro, and the HoloLens 2. Our results reveal that the degree to which locomotion influenced eye tracking performance depended on the headset, with the HoloLens 2, which features a retractable visor, displaying the greatest decrease in accuracy during locomotion.

关键词： human-centered computing human computer interaction (HCI) Interaction paradigms Mixed / augmented reality human-centered computing human computer interaction (HCI) HCI design and evaluation methods User studies human-centered computing Ubiquitous and mobile computing Ubiquitous and mobile devices Mobile devices

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A Finger-Mounted Device for Shape and Tactile Perception in AR Mockups

A Finger-Mounted Device for Shape and Tactile Perception in ...

引用

2024 International Symposium on Mixed and Augmented Reality

作者： Masuda, Soma Iriyama, Taishi Komuro, Takashi Nakamura, Kenji Takahashi, Masato Saitama Univ Saitama Japan DIC Co Ltd Tokyo Japan

ISBN: (纸本)9798331506926;9798331506919

This study proposes a finger-mounted device for the shape and tactile perception of mockups with superimposed CG in AR. The device allows the user to touch a physical object through a texture sheet, and the user perceives the exact tactile perception and object shape. User studies confirmed that both tactile and shape presentation capabilities are close to directly touching the objects.

关键词： human-centered computing human computer interaction (HCI) Interaction devices Haptic devices

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FanPad: A Fan Layout Touchpad Keyboard for Text Entry in VR 31

FanPad: A Fan Layout Touchpad Keyboard for Text Entry in VR

引用

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

作者： Wu, Jian Wang, Ziteng Wang, Lili Duan, Yuhan Li, Jiaheng Beihang Univ Sch Comp Sci & Engn State Key Lab Virtual Real Technol & Syst Beijing Peoples R China Peng Cheng Lab Shenzhen Guangdong Peoples R China

ISBN: (纸本)9798350374025;9798350374032

Text entry poses a significant challenge in the realm of virtual reality (VR). This paper introduces FanPad, a novel solution designed to facilitate dual-hand text input within head-mounted displays (HMDs). FanPad accomplishes this by ingeniously mapping and curving the 26 typing keys (T26) QWERTY keyboard onto the touchpads of both controllers. The curved key layout of FanPad is derived from the natural movement of the thumb when interacting with the touchpad, resembling an arc with a thumb-length fixed radius. To optimize the experience, we introduce a customization process for the FanPad curve to better cope with individual hand shapes and thumb movements. We also provide a version with more overlap area named FanPad-Ov for different users with different typing habits. Our first user study examined the effects of curving and different overlap areas by comparing four potential layouts. The results clearly favor the FanPad and FanPad-Ov layout compared to the no-curving version, SKPad(-Ov). Subsequently, the second user study was conducted to assess long-term performance and improvement on customized FanPads. Notably, novices achieved a typing speed of 19.73 words per minute (WPM), demonstrating a remarkable increase of 58.47% after a 60-phrase training in six days. The highest typing speed reached an impressive 24.19 WPM.

关键词： human-centered computing human computer interaction (HCI) Interaction techniques Text input human-centered computing human computer interaction (HCI) HCI design and evaluation methods User studies

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Multitasking with Graphical Encoding Visualization of Numerical Values in Virtual Reality

Multitasking with Graphical Encoding Visualization of Numeri...

引用

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

作者： Hashky, Amal Rheault, Benjamin Ahsan, Ahmed Rageeb Newman, Lauren Ragan, Eric D. Univ Florida Gainesville FL 32611 USA

ISBN: (纸本)9798350374490;9798350374506

This study evaluates the influence of various visual representations of numerical values on users' ability to multitask in virtual reality. We designed a game-like VR simulation where users had to complete one main task while maintaining the status of other subtasks. Supplemental visualizations showed risk status of the subtask depending on experimental condition, with different visual data encodings: position, brightness, color, and area. We collected preliminary data (n=18) on participant performance during the experiment and subjective ratings afterward. The results showed that the intervention rate significantly differed between the four visual encodings, with the position-based version having the lowest rate.

关键词： human-centered computing Visualization human-centered computing Virtual Reality

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Voice-Responsive Virtual Reality Training Environment for Occupational and Non-Professional Voice Users

Voice-Responsive Virtual Reality Training Environment for Oc...

引用

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

作者： Bartyzel, Patryk Igras-Cybulska, Magdalena Tadeja, Slawomir K. Majdak, Magdalena Lukawski, Grzegorz Hekiert, Daniela AGH Univ Sci & Technol Krakow Poland Univ Cambridge Cambridge England Polish Acad Sci Krakow Poland Kielce Univ Technol Kielce Poland SWPS Univ Warsaw Poland

ISBN: (纸本)9798350374490;9798350374506

We present a virtual reality environment (VRE) dedicated to improving public speaking and vocal skills. To design our VR system, we first recorded 529 data samples of fifteen students delivering their oral presentations. Next, we used speech processing to analyze voice parameters like pitch, timbre and speech rate. Moreover, six dedicated annotators assessed the stress levels within each speech sample. These procedures helped us select a subset of parameters for real-time animation of virtual characters and environment in response to the speaker's voice. This interactive feedback aims to train users in voice modulation, enhancing their speaking abilities and confidence, as well as self-consciousness of their voice quality to support proper occupational voice usage. Finally, we report on the experimental assessment of our system with five users.

关键词： human computer interaction (HCI) human-centered computing Interaction paradigms Public speaking training Speech processing Virtual reality Voice training Voice user interface

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Body Cosmos: An Immersive Experience Driven by Real-Time Bio-Data 11

Body Cosmos: An Immersive Experience Driven by Real-Time Bio...

引用

11th IEEE VIS Arts Program Conference (VISAP)

作者： Lin, Rem Rungu Ke, Yongen Zhang, Kang HongKong Univ Sci & Technol Computat Media & Art Guangzhou Peoples R China BeFun Funtheory Studio Guangzhou Peoples R China

ISBN: (纸本)9798350330229

This paper presents "Body Cosmos", an artwork that creates a symbiotic relationship between the human body and a simulated cosmic environment through volumetric rendering and particle system. Drawing from DICOM data to simulate the human body and nebulae, we create an interactive and dynamic virtual environment. The real-time bio-data of users, collected via heart rate sensors and EEG devices, is integrated into the visualization, fostering a personal engagement and unity within this 'cosmos.' Body Cosmos provokes curiosity and expands users' imagination, and deepens their understanding of life's macrocosm and microcosm. This exploratory project redefines traditional perceptions of the human body in relation to the universe, creating a unique lens to view selfhood, embodiment, and identity. As we look to the future, the system's evolution will include incorporation of more bio-data sensors, an investigation into its potential psychological and physiological benefits, and the development of social interactive features through multi-user capabilities.

关键词： human-centered computing Virtual reality Applied computing-Arts and humanities human-centered computing Visualization human-centered computing Interaction design

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Affordance Maintenance-based 3D Scene Synthesis for Immersive Mixed Reality

Affordance Maintenance-based 3D Scene Synthesis for Immersiv...

引用

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

作者： Jiang, Haiyan Weng, Dongdong Dongye, Xiaonuo Beijing Inst Technol Beijing Peoples R China

ISBN: (纸本)9798350374490;9798350374506

With the explosion of head-mounted displays into the commercial market, immersive scenes are being used in many applications, e.g., training and entertainment. As these applications are usually used indoors, the user would suffer from safety and immersion issues when immersed in a virtual scene. Therefore, we propose a 3D synthesis method that synthesizes the 3D scene according to the affordance of physical objects in the situated physical environment and the intention of the user. The results show that virtual objects in synthetic scenes have the same affordances as physical objects in the real world and can provide interaction medium and feedback to the situated user and avoid collisions.

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Exploring the Interplay between Interaction Experience and Security Perception of Payment Authentication in Virtual Reality

Exploring the Interplay between Interaction Experience and S...

引用

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

作者： Li, Jingjie Arora, Sunpreet Singh Fawaz, Kassem Kim, Younghyun Liu, Can Meiser, Sebastian Minaei, Mohsen Shirvanian, Maliheh Wagner, Kim Univ Edinburgh Edinburgh Midlothian Scotland Visa Res Foster City CA USA Univ Wisconsin Madison Madison WI USA Purdue Univ W Lafayette IN USA Univ Lubeck Lubeck Germany Netflix Inc Los Gatos CA USA

ISBN: (纸本)9798350374490;9798350374506

Users embrace the rapid development of virtual reality (VR) technology for everyday settings. These settings include payment, which makes user authentication necessary. Despite this need, there is a limited understanding of how users' unique experiences in VR contribute to their security perception. To understand this question, we designed probes of payment authentication, which are embedded in the routine payment of a VR game, to provoke participants' reactions from multiple angles.

关键词： Security and privacy human and societal aspects of security and privacy human-centered computing human computer interaction (HCI) Empirical studies in HCI

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Social Simon Effect between Two Adjacent Avatars in VR

Social Simon Effect between Two Adjacent Avatars in VR

引用

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

作者： Li, Xiaotong Hatada, Yuji Narumi, Takuji Univ Tokyo Tokyo Japan

ISBN: (纸本)9798350374490;9798350374506

Joint actions are increasingly taking place in virtual reality (VR), as social VR and other forms of VR applications have become more prevalent. It has been suggested that when engaging in joint actions in real world, each individual achieves unconscious coordination with the other by automatically activating representations of the other's behavior in their motor system. In particular, the conditions under which such implicit cooperation with others occurs and how it can be facilitated have been investigated by examining the Social Simon Effect (SSE). However, collaborative partners are not always perceived in the same way between the real world and virtual reality. In particular, the visual representation of the avatar is thought to affect the perception of others' presence and actions. This study looked into (1) whether SSE can occur during joint actions of avatars in VR;and (2) how visual representation of the co-actor's avatar affects SSE. Results showed that SSE was induced when the co-actor's avatar was displayed in full-body or was entirely transparent, but it was absent (or weak) when only the two hands were visible.

关键词： human-centered computing human computer interaction (HCI) Interaction paradigms Virtual reality human-centered computing human computer interaction (HCI) Interaction paradigms Collaborative interaction

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Optimization of a Tether-Handle Object Retrieval Technique for VR

Optimization of a Tether-Handle Object Retrieval Technique f...

引用

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

作者： Broussard, David Borst, Christoph W. Univ Louisiana Lafayette CACS VR Lab Lafayette LA 70504 USA

ISBN: (纸本)9798350374490;9798350374506

Many current VR applications use hand-held controllers as the primary means of input, but emerging consumer headsets increasingly support direct hand tracking. Hand tracking supports common and well-understood "grab and release" interaction metaphors. When objects leave the user's reach, however, standard grabbing becomes less useful. Most techniques for manipulating distant objects use separate interaction metaphors from regular grabbing, such as pointing or hand-extension. Introducing such a new metaphor for these exceptional cases can add complexity to an application's gestural interface, so we created an object retrieval technique that leverages existing hand-tracked near-object interactions by attaching a grabbable handle tethered to each distant object. We conducted a user study with 52 subjects to compare variations of our technique, with each variation making some design trade-off or specializing the technique for a specific situation. Among results, variations on our technique that reduced visual clutter were strongly preferred.

关键词： human-centered computing Virtual reality human-centered computing Interaction techniques

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