Oral Presentation

Issei Matsumoto, Tomokazu Matsui, Yukihisa Fujita, Hirohiko Suwa, Keiichi Yasumoto:
“Data Profile Generation Framework for Data Utilization,”
The Pacific Rim International Conference on Artificial Intelligence (PRICAI 2025 Workshops, PKAW), Wellington, New Zealand, 2025.

Workshops

• Keita Takeda, Shuhei Kosaka, Wataru Sasaki, Keiichi Yasumoto, Tomokazu Matsui, Hirohiko Suwa, Sumio Morioka, Takahiro Inagawa:
  “Hierarchical Subgroup Routing for High-Speed Data Sharing in Large-Scale Satellite Formation Flying,”
  27th International Conference on Distributed Computing and Networking (ICDCN 2026, MUSICAL2026), Nara, Japan, 2026. (to appear)
• Nanami Inoue, Koki Shibata, Tamasa Kikuchi, Makoto Yoshida, Tomokazu Matsui, Hirohiko Suwa, Keiichi Yasumoto:
  “Desk work activity recognition using multiple vibration sensors and machine learning,”
  27th International Conference on Distributed Computing and Networking (ICDCN 2026 Workshops, MUSICAL2026), Nara, Japan, 2026. (to appear)
• Atsuya Ikeno, Tomokazu Matsui, Hirohiko Suwa, Keiichi Yasumoto:
  “Validation of Virtual Human Motion Sensors in a Digital Twin Environment Using LLM-based Activity Generation,”
  27th International Conference on Distributed Computing and Networking (ICDCN 2026 Workshops, IW-NDSC), Nara, Japan, 2026. (to appear)
• Honami Koyama, Hirohiko Suwa, Keiichi Yasumoto:
  “Optimization-Driven Navigation for Behavior Change in Tourism,”
  27th International Conference on Distributed Computing and Networking (ICDCN 2026 Workshops, IW-NDSC), Nara, Japan, 2026. (to appear)

Posters

• Shuhei Kosaka, Keiichi Yasumoto, Tomokazu Matsui, Hirohiko Suwa, Wataru Sasaki, Daisuke Wakao, Sumio Morioka, Takahiro Inagawa:
  “Implementation and Validation of Lightweight Pose Estimation for Pico-Satellite Swarms using ToF Cameras,”
  27th International Conference on Distributed Computing and Networking (ICDCN 2026, Poster), Nara, Japan, 2026. (to appear)
• Shogo Yoshida, Yuki Matsuda, Kota Taubouchi , Hirohiko Suwa, Keiichi Yasumoto:
  “Wildlife Detection using Motion History Information Captured by Camera Trap in the Dark,”
  27th International Conference on Distributed Computing and Networking (ICDCN 2026, Poster), Nara, Japan, 2026. (to appear)

Doctoral Symposium

• Minhyoung An, Wataru Sasaki, Hirohiko Suwa, Keiichi Yasumoto:
  “Toward Semantically Aligned and Energy-Efficient On-Device Contextual Inference in Real-World Environments,”
  27th International Conference on Distributed Computing and Networking (ICDCN 2026, Doctoral Symposium), Nara, Japan, 2026. (to appear)

• Minhyoung An, Wataru Sasaki, Yuto Shimmyo, Keiichi Yasumoto:
  “Privacy-Preserving Real-Time Human Activity Recognition Using On-Device Small Language Models”
  The 2025 ACM International Joint Conference on Pervasive and Ubiquitous Computing, The 8th International Workshop on Computing for Well-Being (WellComp2025), Espoo, Finland, 2025.

• Yanisa Tanusa, Tomokazu Matsui, Hirohiko Suwa, Keiichi Yasumoto:
  “Supervised Learning with CLAP-Based Features for Accurate Acoustic Activity Recognition”
  The 15th International Conference on Mobile Computing and Ubiquitous Networking (ICMU2025), September 10-12, 2025, Busan, Korea.
• Momoka Hirose, Hitoshi Shimizu, Hirohiko Suwa, Keiichi Yasumoto:
  “Interactive System for School District Reorganization: Optimization and Visualization Based on Dynamic Facility Location Problem”
  The 15th International Conference on Mobile Computing and Ubiquitous Networking (ICMU2025), September 10-12, 2025, Busan, Korea.
• Muhammad FurqanRasyid, Tomokazu Matsui, Yuki Matsuda, Hirohiko Suwa, Keiichi Yasumoto: “Context-Aware Adaptive Feedback for Maintaining Healthy Blink Rates During Screen Use”
  The 15th International Conference on Mobile Computing and Ubiquitous Networking (ICMU2025), September 10-12, 2025, Busan, Korea.
• Shigeyuki Taira, Yuki Matsuda, Yoshinobu Fukumitsu, Hirohiko Suwa, Keiichi Yasumoto:
  “Detection of Response Quality Degradation During Crowdsourced Annotation Tasks Using a Conversational Interface”
  The 15th International Conference on Mobile Computing and Ubiquitous Networking (ICMU2025), September 10-12, 2025, Busan, Korea.

Award-winning Paper

“A Real-Time Inter-Satellite Information Transmission Mechanism for Operating Small Low-Earth Orbit Satellite Constellations as a Single Antenna,”
March 17, 2025

Award-winning Paper

Zolboo Damiran, Tomokazu Matsui, Yuki Matsuda, Hirohiko Suwa, Keiichi Yasumoto:
“Exploring Tradeoffs of Annotation Cost and Model Accuracy with Contrastive Learning for Yoga Pose Classification,”
The 21st International Conference on Intelligent Environments (IE 2025), June 25, 2025, Darmstadt, Germany.

Poster Paper

Yuji Ueda, Hirohiko Suwa:
“Bias Mitigation and Shifting Ideologies of LLM by Prompting,”
in HCI International (HCII) 2025 Posters (CCIS 2529, pp. 424–435). Springer. [DOI]

• Yuki Matsuda, Toma Kobayashi, Hiroki Watanabe, Keiichi Yasumoto:
  “Effects of Visual Stimuli on Perceived Sound Volume in Virtual Reality Spaces”
  The 27th International Conference on Human-Computer Interaction (HCII ’25), Vol. 15788, pp. 286-299, Gothenburg, Sweden, 2025.

Oral presentation

Zolboo Damiran, Tomokazu Matsui, Yuki Matsuda, Hirohiko Suwa, Keiichi Yasumoto:
“Exploring Trade-offs of Annotation Cost and Model Accuracy with Contrastive Learning for Yoga Pose Classification,”
The 21st International Conference on Intelligent Environments (IE 2025), 25 June 2025, Darmstadt, Germany.

Accepted Paper

Lucas Maris, Yuki Matsuda, Keiichi Yasumoto:
“Differential Privacy and K-anonymity for Pedestrian Image Data: Impact on Cross-camera Person Re-identification & Demographic Predictions,”
ACM Transactions on Cyber-Physical Systems, Vol. 9, 2025. (accepted)