8 citations · 13 across the 15 of their papers we have counts for
16 papers
DELUGE: Decomposed Entropy-coded Live Unstructured Geometry Exchange for Real-time Particle Streaming
Hikari Yanagawa, Yuichi Hiroi, Takefumi Hiraki
Particle-based physics simulations, including fluids, smoke, and granular media, are fundamental to visual realism in immersive VR and AR. With the growing adoption of social VR an…
HaptoFlow: High-Fidelity Real-Time Vibrotactile Generation via Flow Matching for Virtual Reality
Michikuni Eguchi, Yuichi Hiroi, Takefumi Hiraki
Haptic feedback is widely employed to enhance immersion in Virtual Reality (VR) environments. However, designing haptic stimuli that cover diverse interaction conditions remains a…
Weather Synchronization in Digital Twin Environments for Shared VR Experience Using Commercial Metaverse Platforms
Masanori Ibara, Yuichi Hiroi, Takushi Kamegai +5
Digital twin technology creates bidirectional synchronization between physical and virtual environments, yet current implementations fail to provide authentic environmental experie…
Tactile Data Recording System for Clothing with Motion-Controlled Robotic Sliding
Michikuni Eguchi, Takekazu Kitagishi, Yuichi Hiroi +1
The tactile sensation of clothing is critical to wearer comfort. To reveal physical properties that make clothing comfortable, systematic collection of tactile data during sliding…
Community Analysis of Social Virtual Reality Based on Large-Scale Log Data of a Commercial Metaverse Platform
Hiroto Tsutsui, Takefumi Hiraki, Yuichi Hiroi +1
This study quantitatively analyzes the structural characteristics of user communities within Social Virtual Reality (Social VR) platforms supporting head-mounted displays (HMDs), b…
Implementation and Application of Multi-Format 3D Data Integration in a Cross-Device Commercial Metaverse Platform
Masanori Ibara, Yuichi Hiroi, Takushi Kamegai +1
Traditionally, specialized 3D design data, such as BIM and CAD, have been accessible only to a select group of experts, creating significant barriers that prevent general users fro…
Navigation Pixie: Implementation and Empirical Study Toward On-demand Navigation Agents in Commercial Metaverse
Hikari Yanagawa, Yuichi Hiroi, Satomi Tokida +2
While commercial metaverse platforms offer diverse user-generated content, they lack effective navigation assistance that can dynamically adapt to users' interests and intentions.…
Development of Digital Twin Environment through Integration of Commercial Metaverse Platform and IoT Sensors of Smart Building
Yusuke Masubuchi, Takefumi Hiraki, Yuichi Hiroi +4
The digital transformation of smart cities and workplaces requires effective integration of physical and cyber spaces, yet existing digital twin solutions remain limited in support…
MagicCraft: Natural Language-Driven Generation of Dynamic and Interactive 3D Objects for Commercial Metaverse Platforms
Ryutaro Kurai, Takefumi Hiraki, Yuichi Hiroi +4
Metaverse platforms are rapidly evolving to provide immersive spaces for user interaction and content creation. However, the generation of dynamic and interactive 3D objects remain…
Cross-Reality Lifestyle: Integrating Physical and Virtual Lives through Multi-Platform Metaverse
Yuichi Hiroi, Yuji Hatada, Takefumi Hiraki
Technological advances are redefining the relationship between physical and virtual spaces. Traditionally, when users engage in virtual reality, they are completely cutoff from the…
LUIDA: Large-scale Unified Infrastructure for Digital Assessments based on Commercial Metaverse Platform
Yong-Hao Hu, Sotaro Yokoi, Yuji Hatada +3
Online experiments using metaverse platforms have gained significant traction in Human-Computer Interaction and Virtual Reality (VR) research. However, current research workflows a…
MetaGadget: An Accessible Framework for IoT Integration into Commercial Metaverse Platforms
Ryutaro Kurai, Hikari Yanagawa, Yuichi Hiroi +1
While the integration of IoT devices in virtual spaces is becoming increasingly common, technical barriers to controlling custom devices in multi-user Virtual Reality (VR) environm…
Cluster Haptic Texture Dataset: Haptic Texture Dataset with Varied Velocity-Direction Sliding Contacts
Michikuni Eguchi, Tomohiro Hayase, Yuichi Hiroi +1
Haptic sciences and technologies benefit greatly from comprehensive datasets that capture tactile stimuli under controlled, systematic conditions. However, existing haptic datasets…
MagicItem: Dynamic Behavior Design of Virtual Objects with Large Language Models in a Consumer Metaverse Platform
Ryutaro Kurai, Takefumi Hiraki, Yuichi Hiroi +4
To create rich experiences in virtual reality (VR) environments, it is essential to define the behavior of virtual objects through programming. However, programming in 3D spaces re…
Measurement of the Imperceptible Threshold for Color Vibration Pairs Selected by using MacAdam Ellipse
Shingo Hattori, Yuichi Hiroi, Takefumi Hiraki
We propose an efficient method for searching for color vibration pairs that are imperceptible to the human eye based on the MacAdam ellipse, an experimentally determined color-diff…
PanoTree: Autonomous Photo-Spot Explorer in Virtual Reality Scenes
Tomohiro Hayase, Sacha Braun, Hikari Yanagawa +2
Social VR platforms enable social, economic, and creative activities by allowing users to create and share their own virtual spaces. In social VR, photography within a VR scene is…