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

  1. 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.

  2. 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.

  3. 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.

  4. 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).

  5. SelfLoc: Robust Self-Supervised Indoor Localization with IEEE 802.11az Wi-Fi for Smart Environments.

    Hamada Rizk, Ahmed Elmogy.

    Electronics, 14(13), 2675.

  6. 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

  7. Self-Supervised WiFi-Based Identity Recognition in Multi-User Smart Environments

    Hamada Rizk, Ahmed Elmogy

    Sensors 2025, 25(10), 3108

  8. Reference-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

  9. 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

  10. 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

  1. Short-Term Crowd Prediction through Continuous Observation

    Atsuhiro Yano, Tatsuya Amano, Hirozumi Yamaguchi

    ICDCN 2026 Poster/Demo

  2. 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

  3. LLM-Augmented Driving Behavior Planning for Autonomous Vehicle

    Aidana Baimbetova, Haruki Yonekura, Hamada Rizk, Hirozumi Yamaguchi

    ICDCN 2026 Poster/Demo

  4. Bayesian Optimization Approach for Crowd Flow Modeling on Railway Station Platforms

    Yu Yasuda, Tatsuya Amano, Hirozumi Yamaguchi

    ICDCN 2026 Poster/Demo

  5. 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

  6. Environment-Aware Modeling and Analysis for LoRa Emergency Network Scheduling

    Yuto Inaba, Tatsuya Amano, Akihito Hiromori, Hirozumi Yamaguchi

    ICDCN 2026 Poster/Demo

  7. 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

  8. 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

  9. 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

  10. High-Reliability Network-Distributed MoE-LLM System

    Haruki Yonekura, Hirozumi Yamaguchi

    ICDCN 2026 Doctoral Symposium

  11. Socially-Aware Robot Navigation Using Large Language Models: System and Evaluation

    Xuqing Liu, Tatsuya Amano, Hamada Rizk, Hirozumi Yamaguchi

    ICDCN 2026 Doctoral Symposium

  12. 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

  13. Challenges for Federated Crowd Management in Smart Cities

    Daniela Nicklas, Leonie Ackermann, Debasree Das, Tatsuya Amano, Hamada Rizk, Hirozumi Yamaguchi

    ICDCN 2026 Workshop: IWNDSC2026

  14. 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

  15. 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

  16. Explainable Weather and Time of Day Classification for Autonomous Driving

    Xiangbin Jiang, Hamada Rizk, Hirozumi Yamaguchi, Yuki Kariyazono, Kenji Iwahashi

    IEEE AIoT 2025

  17. 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

  18. 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)

  19. 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.

  20. 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)

  21. 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.

  22. 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.

  23. 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

  24. 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)

  25. 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

  26. 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)

  27. 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

  28. 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.

  29. 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

  30. 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)

  31. 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

  32. 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.

  33. 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.

  34. 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.

  35. 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.

  36. 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

  37. 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

  38. 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

  39. 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

  40. 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

  41. 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

  42. 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.

  43. 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

  1. 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

  2. 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

  3. 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

  4. 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

  5. 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

  6. 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

  7. 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

  8. 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

  9. 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.

  10. 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.

  11. 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

  12. 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

  13. 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

  14. 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

  15. 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

  16. 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

  1. 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

  1. 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

  2. Engineering the Digital Twin Society: Harnessing Spatiotemporal Data through AI

    Hirozumi Yamaguchi

    The 19th International Symposium on Spatial and Temporal Data. 2025.

  3. AI for Climate-Resilient Urban Systems: Mobility, Hazards, and Adaptive Intelligence

    Hamada Rizk

    Dies Academicus 2025 at HafenCity University Hamburg, Germany

  4. 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