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检索条件"主题词=Human-centered computing"

共 2475 条记录，以下是171-180 订阅

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Inferring Private Personal Attributes of Virtual Reality Users from Ecologically Valid Head and Hand Motion Data

Inferring Private Personal Attributes of Virtual Reality Use...

引用

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

作者： Nair, Vivek Rack, Christian Guo, Wenbo Wang, Rui Li, Shuixian Huang, Brandon Cull, Atticus O'Brien, James F. Latoschik, Marc Rosenberg, Louis Song, Dawn Univ Calif Berkeley Berkeley CA 94720 USA Univ Wurzburg Wurzburg Germany Purdue Univ W Lafayette IN 47907 USA Carnegie Mellon Pittsburgh PA USA Unanimous AI San Francisco CA USA

ISBN: (纸本)9798350374490;9798350374506

Motion tracking "telemetry" data lies at the core of nearly all modern virtual reality (VR) and metaverse experiences. While generally presumed innocuous, recent studies have demonstrated that motion data actually has the potential to uniquely identify VR users. In this study, we go a step further, showing that a variety of private user information can be inferred just by analyzing motion data recorded from VR devices. We conducted a large-scale survey of VR users (N=1,006) with dozens of questions ranging from background and demographics to behavioral patterns and health information. We then obtained VR motion samples of each user playing the game "Beat Saber," and attempted to infer their survey responses using just their head and hand motion patterns. Using simple machine learning models, over 40 personal attributes could be accurately and consistently inferred from VR motion data alone. Despite this significant observed leakage, there remains limited awareness of the privacy implications of VR motion data, highlighting the pressing need for privacy-preserving mechanisms in multi-user VR applications.

关键词： Security and privacy human-centered computing human computer interaction (HCI) Interaction paradigms Virtual reality computing methodologies Machine learning

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MemoryVR: Collecting and Sharing Memories in Personal Virtual Museums

MemoryVR: Collecting and Sharing Memories in Personal Virtua...

引用

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

作者： Liang, Jiachen Li, Yue Wang, Xueqi Liang, Hai-Ning Xian Jiaotong Liverpool Univ Sch Adv Technol Xian Peoples R China

ISBN: (纸本)9798350374490;9798350374506

We present MemoryVR, a virtual museum system designed to preserve and share personal memories. This system enables users to create customized virtual museums within a spatial enclosure, providing an immersive and enriched way to experience personal memories. We invited participants to use MemoryVR to create their own personal virtual museums and visit those created by others. Results from evaluation studies showed a positive impact of MemoryVR on their experience of memories. Participants reported that their experiences within the personal virtual museums were fulfilling, invoking a sense of ritual, ownership, curiosity, and engagement.

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

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Touch My Heart: Navigating the Heart Models in MR with Haptic Feedback, 3D Sound, and Interactive Gamification

Touch My Heart: Navigating the Heart Models in MR with Hapti...

引用

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

作者： Terendii, Olha Frish, Sam Prokopiev, Tymur Hemmerling, Daria Janusz, Mateusz Jadczyk, Tomasz SoftServe Lvov Ukraine SoftServe Kiev Ukraine SoftServe Wroclaw Ukraine SUM Div Cardiol & Struct Heart Dis Katowice Poland ICRC Brno Czech Republic

ISBN: (纸本)9798350374490;9798350374506

Touch My Heart utilizes a mixed reality headset and digital twin technology for an immersive exploration of the heart. The system, integrating hand tracking and haptic feedback, offers a realistic simulation, enhancing spatial audio for a fusion of senses. Users can interact with a 3D heart model, providing a comprehensive understanding of structure, function, and abnormalities including cardiac arrhythmia's and valvular heart diseases. The initiative supports medical education, enabling detailed exploration of heart pathophysiology and collaborative discussions among healthcare professionals. Additionally, it facilitates patient engagement by educating on heart conditions.

关键词： human-centered computing Visualization Visualization design and evaluation methods

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Towards Optimized Cybersickness Prediction for Computationally Constrained Standalone Virtual Reality Devices

Towards Optimized Cybersickness Prediction for Computational...

引用

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

作者： Islam, Md. Jahirul Islam, Rifatul Kennesaw State Univ Dept Comp Sci Kennesaw GA 30144 USA

ISBN: (纸本)9798350374490;9798350374506

Cybersickness, a spectrum of discomforts affecting 60-95% of virtual reality (VR) users, remains a major challenge for comfortable immersive experiences. While recent research using multimodal data and complex machine learning models for cybersickness prediction shows promise, their reliance on external computational resources (cloud servers, GPUs) renders them unsuitable for standalone VR devices (SVRs) due to their limited processing power and potential network lag, which can worsen cybersickness. To bridge this gap, we propose a novel approach that minimizes model complexity and training parameters through hyperparameter tuning, achieving comparable prediction accuracy and error rates with significantly reduced inference time. Our initial findings pave the way for future research on optimized cybersickness prediction models for computationally constrained SVR devices.

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

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Selection Performance and Reliability of Eye and Head Gaze Tracking Under Varying Light Conditions 31

Selection Performance and Reliability of Eye and Head Gaze T...

引用

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

作者： Marquardt, Alexander Steininger, Melissa Trepkowski, Christina Weier, Martin Kruijff, Ernst Bonn Rhein Sieg Univ Appl Sci St Augustin Germany RheinMain Univ Appl Sci Wiesbaden Germany

ISBN: (纸本)9798350374025;9798350374032

Augmented Reality (AR) applications increasingly rely on eye and head gaze tracking for user interaction, with their efficacy influenced by environmental factors such as spatial arrangements and lighting conditions. This paper presents two studies that examine how these variables affect the performance of eye and head gaze tracking in AR environments. While eye tracking partially delivered faster results, its performance exhibited greater variability, especially under dynamic lighting conditions. Conversely, head gaze tracking, while providing more consistent results, showed a notable reduction in accuracy in environments with fluctuating light levels. Furthermore, the spatial properties of the environment had notable implications on both tracking methods. Our research demonstrates that both spatial properties and lighting conditions are key determinants in the choice of a tracking method, underscoring the need for AR systems that can dynamically adapt to these environmental variables.

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

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An XR Environment for AI Education: Design and First Implementation

An XR Environment for AI Education: Design and First Impleme...

引用

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

作者： Gu, Yiyin Garcia, Miguel Zhang, Yiqun Magana, Alejandra J. Benes, Bedrich Popescu, Voicu Purdue Univ W Lafayette IN 47907 USA

ISBN: (纸本)9798350374490;9798350374506

This work in progress paper presents and motivates the design of a novel extended reality (XR) environment for artificial intelligence (AI) education, and presents its first implementation. The learner is seated at a table and wears an XR headset that allows them to see both the real world and a visualization of a neural network. The visualization is adjustable. The learner can inspect each layer, each neuron, and each connection. The learner can also choose a different input image, or create their own image to feed to the network. The inference is computed on the headset, in real time. The neural network con figuration and its weights are loaded from an onnx which supports a variety of architectures as well as changing the weights to illustrate the training process.

关键词： Extended reality immersive learning AI education human-centered computing human computer interaction (HCI) Interaction paradigms Mixed / augmented reality Applied computing Education Interactive learning environments

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Exploring Depth-based Perception Conflicts in Virtual Reality through Error-Related Potentials 31

Exploring Depth-based Perception Conflicts in Virtual Realit...

引用

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

作者： Gao, Haolin Yue, Kang Yang, Songyue Liu, Yu Guo, Mei Liu, Yue Beijing Inst Technol Sch Opt & Photon Beijing Engn Res Ctr Mixed Real & Adv Display Beijing Peoples R China Chinese Acad Sci Beijing Key Lab Human Comp Interact Inst Software Beijing Peoples R China

ISBN: (纸本)9798350374025;9798350374032

Virtual Reality (VR) offers a valuable platform for real-life skills training. However, previous research has indicated that human's perception of depth in VR differs from that of the real world. Such perceptual conflicts can impact immersion and the learning of skills, thus attracting widespread attention. Various methods have been proposed to enhance users' depth perception, yet the underlying mechanisms of depth perception conflicts still require further research. In this paper, we used Error-Related Potentials (ErrPs) from electroencephalography (EEG) data to investigate the differences in participants' perceptions at varying depths within the near-field. We designed a within-subjects experiment to successfully introduce depth perception conflicts. From participants exposed to three distinct depths, we collected questionnaire results, performance data, and EEG data. Our findings showed that EEG can effectively detect depth perception conflicts and, following each conflict, participants' behavioral patterns showed significant changes. In situations with shallower depths, participants exhibited stronger responses to the designed conflicts. This increased sensitivity correlates with their accuracy in depth estimation. This study represents a novel approach to depth perception in VR using ErrPs, setting the stage for further use of physiological signals to measure the granularity of depth perception in VR/AR environments.

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

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Evaluation of Shared-Gaze Visualizations for Virtual Assembly Tasks

Evaluation of Shared-Gaze Visualizations for Virtual Assembl...

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

作者： Delgado, Daniel A. Ruiz, Jaime Univ Florida Gainesville FL 32611 USA

ISBN: (纸本)9798350374490;9798350374506

Shared-gaze visualizations (SGV) allow collocated collaborators to understand each other's attention and intentions while working jointly in an augmented reality setting. However, prior work has overlooked user control and privacy over how gaze information can be shared between collaborators. In this work, we examine two methods for visualizing shared-gaze between collaborators: gazehover and gaze-trigger. We compare the methods with existing solutions through a paired-user evaluation study in which participants participate in a virtual assembly task. Finally, we contribute an understanding of user perceptions, preferences, and design implications of shared-gaze visualizations in augmented reality.

关键词： human-centered computing Visualization Collaboration Augmented reality

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Pinching Tactile Display: A Remote Haptic Feedback System for Fabric Texture

Pinching Tactile Display: A Remote Haptic Feedback System fo...

引用

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

作者： Kitagishi, Takekazu Hiraki, Hirotaka Ishiguro, Yoshio Rekimoto, Jun Univ Tokyo Tokyo Japan ZOZO Res Chiba Japan Sony CSL Tokyo Japan

ISBN: (纸本)9798350374490;9798350374506

In the evolving field of virtual reality (VR) and telepresence, the generation and replication of tactile sensations is critical. Traditional haptic feedback devices have focused on replicating the feel of hard objects, with less attention paid to soft materials. The challenge of reproducing soft tactile sensations stems from two main issues. First, mechanical actuators tend to lose the soft texture when integrated with soft materials. Second, devices such as vibration motors are designed to stimulate a single point, making them unsuitable for reproducing the sensation of more complex tactile interactions, such as the feel of rubbing fabric. We propose Pinching Tactile Display, a system that creates fabric capable of changing its tactile sensation by manipulating the electrostatic force between it and the user's finger. By controlling the voltage and frequency applied to the conductive fabric, different tactile sensations can be dynamically generated. This makes it possible to create a tactile device in which tactile sensations are applied to the entire fabric while maintaining the flexible property of the fabric. As a result, users could experiment with tactile sensations by pinching and rubbing the fabric in the same way they normally touch it. This mechanism has the potential for dynamic tactile transformation of soft materials.

关键词： human-centered computing Haptic devices Hardware Emerging interfaces

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Repeat Body-Ownership Illusions in Commodity Virtual Reality

Repeat Body-Ownership Illusions in Commodity Virtual Reality

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

作者： Cha, Pauline W. Peck, Tabitha C. Davidson Coll Davidson NC 28036 USA

ISBN: (纸本)9798350374490;9798350374506

Virtual self-avatars have been shown to produce the Proteus effect, however limited work investigates the subjective sense of embodiment using commodity virtual reality systems. In this work, we present results from a pilot experiment where participants are given a self-avatar in a simple virtual experience while wearing a cardboard head-mounted display. Participants then repeat the experience five days later. Overall, subjective embodiment scores are similar to those reported in experience using higher-fidelity systems. However, the subjective sense of embodiment significantly lowered from trial one to trial two.

关键词： human-centered computing Visualization Visualization techniques Treemaps human-centered computing Visualization Visualization design and evaluation methods

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