PUBLICATIONS
2025年度の研究業績 大阪大学 大学院情報科学研究科 山口研
2025年度
論文誌
Round trip time meets transformers: high-fidelity human counting in cluttered environments
Haruki Yonekura; Hamada Rizk; Hirozumi Yamaguchi
Neural Computing and Applications, 37(28), 23591–23617.
Securing Task Offloading and Service Caching in Multi-Tier Computing Networks With Untrusted Relays
Bassant Tolba, Mohammed Abo-Zahhad, Maha Elsabrouty, Akira Uchiyama, Ahmed H. Abd El-Malek
IEEE Internet of Things Journal, July 2025.
A trustworthy and explainable deep learning framework for skin lesion detection in smart dermatology.
Mohammad A. Eitaa, Hamada Rizk.
Engineering Applications of Artificial Intelligence, Elsevier, 2025.
Effective Deep Learning Aided Vehicle Classification Approach Using Seismic Data
Sherief Hashima, Mohamed H. Saad, Ahmad B. Ahmad, Takeshi Tsuji, Hamada Rizk
Springer Nature Scientific Reports. 15, 22624 (2025).
SelfLoc: Robust Self-Supervised Indoor Localization with IEEE 802.11az Wi-Fi for Smart Environments.
Hamada Rizk, Ahmed Elmogy.
Electronics, 14(13), 2675.
ICNN Based Distributed Optimization of 3D Point Cloud Quality for Real-Time Physical Space Sharing
Yui Maruyama, Tatsuya Amano, Hirozumi Yamaguchi
Journal of Information Processing, 2025, Volume 33, Pages 325-335
Self-Supervised WiFi-Based Identity Recognition in Multi-User Smart Environments
Hamada Rizk, Ahmed Elmogy
Sensors 2025, 25(10), 3108
DOI: 10.3390/s25103108Reference-Free 3D WiFi AP Localization by Outdoor-to-Indoor Bridging
Tatsuya Amano; Hirozumi Yamaguchi; Teruo Higashino
IEEE Open Journal of the Computer Society, vol. 6, pp. 688-700, 2025
Energy-Free Sensing and Context Recognition Using Photovoltaic Cells
Kaede Shintani, Hamada Rizk and Hirozumi Yamaguchi
IEEE Sensors Journal, vol. 25, no. 9, pp. 15598-15611, May 1, 2025
Delay-Energy-Aware Joint Multi-Cell Association, Service Caching, and Task Offloading in Hybrid-Task Heterogeneous Edge Computing Networks
Bassant Tolba, Maha Elsabrouty, Mohammed Abo-Zahhad, Akira Uchiyama, and Ahmed H. Abd El-Malek
Computer Networks, Elsevier, Vol. 263, No. 111231, May 2025.
国際会議
Short-Term Crowd Prediction through Continuous Observation
Atsuhiro Yano, Tatsuya Amano, Hirozumi Yamaguchi
ICDCN 2026 Poster/Demo
Neural Surrogate Model for Autonomous Driving Communications Based on Strategic Sampling
Ibuki Matsumoto, Takamasa Higuchi, Fukuharu Tanaka, Tatsuya Amano, Hamada Rizk, Akira Uchiyama, Akihito Hiromori, Hirozumi Yamaguchi, Masaki Takanashi
ICDCN 2026 Poster/Demo
LLM-Augmented Driving Behavior Planning for Autonomous Vehicle
Aidana Baimbetova, Haruki Yonekura, Hamada Rizk, Hirozumi Yamaguchi
ICDCN 2026 Poster/Demo
Bayesian Optimization Approach for Crowd Flow Modeling on Railway Station Platforms
Yu Yasuda, Tatsuya Amano, Hirozumi Yamaguchi
ICDCN 2026 Poster/Demo
Rapid Policy Impact Estimation for Pedestrian Flow Using Neural Network Surrogates
Fukuharu Tanaka, Tatsuya Amano, Akira Uchiyama, Akihito Hiromori, Hirozumi Yamaguchi
ICDCN 2026 Poster/Demo
Environment-Aware Modeling and Analysis for LoRa Emergency Network Scheduling
Yuto Inaba, Tatsuya Amano, Akihito Hiromori, Hirozumi Yamaguchi
ICDCN 2026 Poster/Demo
Scalable Coverage Simulation Workflow for Formation-Flying Satellite Phased Arrays
Tengis Buyantogtokh, Akira Uchiyama, Akihito Hiromori, Hirozumi Yamaguchi, Genma Hattori, Sou Ema, Sumio Morioka, Takahiro Inagawa
ICDCN 2026 Poster/Demo
When Satellites Work as One: Adaptive Beamforming for PicoSat Swarms
Yui Maruyama, Ryohei Tsuji, Akira Uchiyama, Hamada Rizk, Hirozumi Yamaguchi, Sumio Morioka, Takahiro Inagawa
ICDCN 2026 Poster/Demo
When Sensors Talk: LLM-Guided Object-Centric Collaboration for Distributed 3D Scene Understanding
Ziheng Xu, Tatsuya Amano, Hamada Rizk, Hirozumi Yamaguchi
ICDCN 2026 Poster/Demo
High-Reliability Network-Distributed MoE-LLM System
Haruki Yonekura, Hirozumi Yamaguchi
ICDCN 2026 Doctoral Symposium
Socially-Aware Robot Navigation Using Large Language Models: System and Evaluation
Xuqing Liu, Tatsuya Amano, Hamada Rizk, Hirozumi Yamaguchi
ICDCN 2026 Doctoral Symposium
A Transformer-based Approach for Attribute-Aware Route Optimization Guided by ILP Solutions
Riku Nakao, Akihito Hiromori, Hamada Rizk, Hirozumi Yamaguchi
ICDCN 2026 Doctoral Symposium
Challenges for Federated Crowd Management in Smart Cities
Daniela Nicklas, Leonie Ackermann, Debasree Das, Tatsuya Amano, Hamada Rizk, Hirozumi Yamaguchi
ICDCN 2026 Workshop: IWNDSC2026
A Questionnaire-Only Counterfactual Machine Learning Approach to Assess the Spatial Impact of Green Mobility Vehicles in Urban Parks: A Wakayama Castle Case Study
Rami Naeem, Srikant Manas, Tatsuya Amano, Hirozumi Yamaguchi
ICDCN 2026 Workshop: IWNDSC2026
Transformer-Based Resource and Stage-Aware Scheduling for Model-Parallel LLM Inference
Rami Naeem, Tengis Buyantogtokh, Hamada Rizk, Tatsuya Amano, Hirozumi Yamaguchi
ICDCN 2026 Workshop: DistLLM
Explainable Weather and Time of Day Classification for Autonomous Driving
Xiangbin Jiang, Hamada Rizk, Hirozumi Yamaguchi, Yuki Kariyazono, Kenji Iwahashi
IEEE AIoT 2025
Accurate and Scalable Coverage Simulation for Large Formation-Flying Satellite Arrays
Tengis Buyantogtokh, Akira Uchiyama, Akihito Hiromori, Hirozumi Yamaguchi, Genma Hattori, Sou Ema, Sumio Morioka, Takahiro Inagawa
IEEE AIoT 2025
Wearable-Based Body Core Temperature Estimation Using a Precise Whole-Body Voxel Human Model
Kaori Hirano, Hiroki Kudo, Satoshi Kuwano, Yasushi Senda, Yoshihiro Marutani, Tetsuji Adachi, Ryosuke Hasegawa, Teruki Yokoyama, Ken Nakata, Akira Uchiyama
IEEE AIoT 2025 (Short Paper)
MobText-SISA: Efficient Machine Unlearning for Mobility Logs with Spatio-Temporal and Natural-Language Data
Haruki Yonekura, Ren Ozeki, Tatsuya Amano, Hamada Rizk, Hirozumi Yamaguchi
In Proceedings of the 33rd ACM International Conference on Advances in Geographic Information Systems (SIGSPATIAL '25). pp. 1186–1189.
Indoor Drone Propeller Speed Estimation Using Wi-Fi Channel State Information
Yuta Takao, Viktor Erdelyi, Kazuya Ohara, Yasue Kishino, Anh-Van Ho, Akira Uchiyama
The 21th International Conference on Wireless and Mobile Computing, Networking and Communications (WiMob 2025)
FouriDAR: Efficient Radar Vehicle Detection with Fourier Networks for 6G Perception
Hamada Rizk, Heetae Jin, Akira Uchiyama
The 2025 IEEE 102nd Vehicular Technology Conference: VTC2025-Fall, 2025.
Real-time Path Prediction at the Edge for E-scooter
Congzhi Ren, Rizk Hamada, Tatsuya Amano, Hirozumi Yamaguchi
The 2025 IEEE 102nd Vehicular Technology Conference: VTC2025-Fall, 2025.
What Does AI See through Animals’ Eyes?: Zero-Shot Activity Recognition from Bio-loggers
Haruki Yonekura, Kei Tanigaki, Tsuneari Kuroiwa
In Companion of the 2025 on ACM International Joint Conference on Pervasive and Ubiquitous Computing(UbiComp), Student Challenge
On the Feasibility of Cyclist Detection Using MIMO-Radar for Long-Range ISAC Scenarios
Heetae Jin, Akira Uchiyama
2025 Fifteenth International Conference on Mobile Computing and Ubiquitous Networking (ICMU)
Student Engagement Measurement Through Micro-Action Detection with Multi-Modal Foundation Model
Masato Matsuura, Tatsuya Amano, Hirozumi Yamaguchi
2025 Fifteenth International Conference on Mobile Computing and Ubiquitous Networking (ICMU), 2025, pp. 1-6
SimDeep: Federated 3D Indoor Localization via Similarity-Aware Aggregation
Ahmed Jaheen, Sarah Elsamanody, Hamada Rizk, Moustafa Youssef
2025 Fifteenth International Conference on Mobile Computing and Ubiquitous Networking (ICMU)
On the Impact of Terrain Types in Deep Neural Network-Based Surrogates of Radio Maps
Fukuharu Tanaka, Takamasa Higuchi, Masaki Takanashi, Tatsuya Amano, Hamada Rizk, Akira Uchiyama, Akihito Hiromori, Hirozumi Yamaguchi
2025 Fifteenth International Conference on Mobile Computing and Ubiquitous Networking (ICMU), 2025, pp. 1-6
A Lightweight and Explainable Digital Twin for Scene Monitoring Using Synchronized mmWave Radar and Vision Data
Heetae Jin, Hamada Rizk, Akira Uchiyama
IEEE PIMRC Workshop - AI-Driven Digital Twin Orchestration for 6G Networks, 2025.
Evaluating Attribute Inference Risks in Urban Care Taxi Arrival Time Prediction Models Using Geospatial Data
Yuya Takeuchi, Haruki Yonekura, Kyosuke Yamashita, Hirozumi Yamaguchi
The 14th International Workshop on Urban Computing, held in conjunction with the 31st ACM SIGKDD 2025
AquaFed: Leveraging Federated Learning for Real-Time Schistosomiasis Prevention Through Water Quality Monitoring.
Mohamed Mohsen, Hamada Rizk, Moustafa Youssef
The 22nd IEEE International Conference on Ubiquitous Intelligence and Computing (UIC 2025)
Preliminary Investigation of Knowledge Transfer from Skeleton to IMU for Robust Activity Recognition in Industrial Settings.
Hongyin Qiao, Hamada Rizk, Takuya Maekawa
UbiComp/ISWC 2025 poster
No Labels, No Problem: Adaptive Disaster Prediction Using Physics-Hybrid AI.
Ren Ozeki; Hamada Rizk; Hirozumi Yamaguchi
The 19th International Symposium on Spatial and Temporal Data. 2025.
LLM-Powered Embodied Intelligence for Socially-Aware Robot Navigation in Human-Robot Interaction.
Xuqing Liu; Ahmed Farid; Tatsuya Amano; Hamada Rizk; Hirozumi Yamaguchi.
The 19th International Symposium on Spatial and Temporal Data. 2025.
Device-Independent Wireless Sensing: Time-Series Analysis of Continuous Round Trip Time for Indoor Environment
Haruki Yonekura; Hamada Rizk; Hirozumi Yamaguchi
The 19th International Symposium on Spatial and Temporal Data. 2025.
Lightweight Safety Assistance System for E-Scooters: Current Results and Future Directions
Congzhi Ren, Hamada Rizk, Tatsuya Amano, Hirozumi Yamaguchi
The 19th International Symposium on Spatial and Temporal Data. 2025.
Collaborative Lightweight LLM Agents for Daily Activity Summarization on Edge Devices
Kentaro Inohara, Tatsuya Amano, Hamada Rizk and Hirozumi Yamaguchi
Proceedings of the 21st International Conference on Intelligent Environments (IE 2025), Darmstadt, Germany, 2025, pp. 1-4
LLM-Driven Adaptive Autonomous Robot Navigation via Multimodal Fusion for Diverse Environments
Xuqing Liu, Ahmed Farid, Riki Ukyoh, Tatsuya Amano, Hamada Rizk and Hirozumi Yamaguchi
2025 IEEE Intelligent Vehicles Symposium (IV), Cluj-Napoca, Romania, 2025, pp. 2361-2368
Cellular-based Indoor Localization with Adapted LLM and Label-aware Contrastive Learning
Ren Ozeki, Haruki Yonekura, Hamada Rizk, Hirozumi Yamaguchi
IEEE International Conference on Smart Computing (SMARTCOMP), pp. 138-145
A Digital Twin Approach for Crowd Flow Modeling on Railway Station Platforms
Yu Yasuda, Tatsuya Amano and Hirozumi Yamaguchi
IEEE International Conference on Smart Computing (SMARTCOMP), pp. 82-89
Optimizing Coordinated Evacuation Route Planning Based on Linear Programming
Nakao Riku, Akito Hiromori, Hamada Rizk, Hirozumi Yamaguchi
IEEE International Conference on Smart Computing (SMARTCOMP), pp. 414-419
Design and Implementation of Point Cloud-Based Space Integration with Quality-Aware Optimization
Yui Maruyama, Tatsuya Amano and Hirozumi Yamaguchi
2025 Joint European Conference on Networks and Communications & 6G Summit (EuCNC/6G Summit), Poznan, Poland, 2025, pp. 169-174
Efficient Real-Time Water Monitoring for Schistosomiasis Control with a Fourier Network.
Mohamed Mohsen, Hamada Rizk, and Moustafa Youssef.
The 26th IEEE International Conference on Mobile Data Management (MDM). IEEE, 2025.
Securing Task Computation Offloading for Mobile Edge Computing in Untrusted Relay Networks
Bassant Tolba, Maha Elsabrouty, Mohammed Abo-Zahhad, Akira Uchiyama, Ahmed H. Abd El-Malek
31st IEEE International Conference on Telecommunications, 2025.
国内研究会
実データ同化型シミュレーションに向けた大規模言語モデルによる観光客行動の予測手法
天野辰哉,山口弘純
人工知能学会第二種研究会(計算創律研究会)資料, vol. 2025, no. CSS-001, pp. 34–40, 2025
凸ニューラルネットワークによる点群圧縮パラメータのリアルタイム最適化手法
丸山結, 天野辰哉, 山口弘純
第117回IPSJ-MBL研究会・第103回IPSJ-ITS研究会合同研究発表会
Bluetooth Channel Soundingを用いた車内における呼吸推定法の提案
中田裕也, Viktor Erdely, 李超然, 加藤健志(デンソー), 内山彰
第117回IPSJ-MBL研究会・第103回IPSJ-ITS研究会合同研究発表会
先見シミュレーションに非同期観測を同化する人流デジタルツイン
矢野敦大, 天野辰哉, 山口弘純
第117回IPSJ-MBL研究会・第103回IPSJ-ITS研究会合同研究発表会
編隊飛行の制御アルゴリズムの高精度評価系の検討
山口弘純, 天野辰哉, 廣森聡仁, 内山彰, Rizk Hamada
第69回宇宙科学技術連合講演会
HMDと生成AIを活用した対話型ナビゲーションシステムの開発
今田淳志、水本旭洋
第33回 マルチメディア通信と分散処理ワークショップ,デモ発表
Wi-Fi CSIを用いた屋内ドローンのプロペラ回転数推定
高尾裕太、Erdélyi Viktor、大原一哉、岸野泰恵、Ho Anh-Van、内山彰
第33回 マルチメディア通信と分散処理ワークショップ,デモ発表
Socially-Adaptive Robot Navigation by Reasoning over Pedestrian Attributes with a Multimodal Large Language Model
劉 旭晴, Farid Ahmed, 天野 辰哉,Hamada Rizk,山口 弘純
第116回モバイルコンピューティングと新社会システム研究会
Wi-Fi CSI による屋内ドローンのプロペラ回転数推定手法の性能評価
高尾悠太, Erdélyi Viktor, 尾原和也, 岸野泰恵, Ho Anh-Van, 内山彰
電子情報通信学会技術研究報告コミュニケーションシステム研究会, vol. 125, no. 107, CS2025-25, pp. 54-59, 2025年7月.
Bluetooth Channel Soundingを用いた人体呼吸推定手法の検討
中田裕也, Erdélyi Viktor, 李超然, 加藤健志, 内山彰
電子情報通信学会技術研究報告コミュニケーションシステム研究会, vol. 125, no. 107, CS2025-26, pp. 60-64, 2025年7月.
多端末 LoRa 通信環境における衝突率予測型の自律送信制御
稲葉 悠斗, 天野 辰哉, 廣森 聡仁, 山口 弘純
マルチメディア,分散,協調とモバイル (DICOMO2025) シンポジウム論文集 , 2025年6月
多人数リアルタイム空間統合のための点群品質の分散型最適化手法
丸山 結, 天野 辰哉 山口 弘純
マルチメディア,分散,協調とモバイル (DICOMO2025) シンポジウム論文集 , 2025年6月
大規模人流デジタルツインに基づく屋内移動計画支援システムの設計と開発
矢野 敦大, 天野 辰哉, 山口 弘純
マルチメディア,分散,協調とモバイル (DICOMO2025) シンポジウム論文集 , 2025年6月
思考連鎖統合型SLMモデルによる人に優しいロボットナビゲーションの構築
Xuqing Liu, Ahmed Farid, Tatsuya Amano, Hamada Rizk and Hirozumi Yamaguchi
研究報告高度交通システムとスマートコミュニティ(ITS) 巻 2025-ITS-101, 号 53, p. 1-8, 発行日 2025-05-14
Lightweight Safety Assistance System for E-Scooters: Real-Time Risk Detection and Region Awareness at the Edge
Congzhi Ren, Hamada Rizk, Tatsuya Amano, Hirozumi Yamaguchi
研究報告高度交通システムとスマートコミュニティ(ITS) 巻 2025-ITS-101, 号 3, p. 1-7, 発行日 2025-05-14
Transforming Raw mmWave Radar Data to Latent Space for Autonomous Driving Applications
Heetae Jin, Akira Uchiyama
信学技報, vol. 125, no. 29, SeMI2025-2, pp. 7-12, 2025年5月.
著書・訳書・解説など
LiDAR による人流デジタルツイン実現に向けて
天野辰哉
人工知能, 特集「都市デジタルツインの現在地とこれから」,2025 年 40 巻 4 号 p. 490-498
講演
Modeling and Simulation of Distributed Phased-Array Communication Using Formation-Flying Small Satellites
Hirozumi Yamaguchi
The 4th International Conference on Intelligent Computing and Next Generation Networks
Engineering the Digital Twin Society: Harnessing Spatiotemporal Data through AI
Hirozumi Yamaguchi
The 19th International Symposium on Spatial and Temporal Data. 2025.
AI for Climate-Resilient Urban Systems: Mobility, Hazards, and Adaptive Intelligence
Hamada Rizk
Dies Academicus 2025 at HafenCity University Hamburg, Germany
Seeing, Sensing, and Understanding: Fueling Japan’s Society 5.0 with Multi-Modal Intelligence
Hamada Rizk
15th International Conference on Electrical Engineering (ICEENG), Cairo, Egypt