Publications
Research articles, bulletins, technical reports, conference papers, and workshop outputs from the laboratory.
Research Outputs
Publications grouped by publication year.
2026
Anatomy-Preserving Diffusion-Based Data Augmentation for Medical Image Segmentation
International ConferenceTominari, Hiroki, Nakayama, Natsuki, Arakawa, Naoko, Usami, Hiroyasu
Proceedings of the 19th International Joint Conference on Biomedical Engineering Systems and Technologies -- BIOIMAGING, 2026
BIOIMAGING 2026
O(V) Computational Optimization and Physics-informed STGNN for Building IoT Simulation
Technical ReportTajima, Koichiro, Usami, Hiroyasu
IEICE Technical Report, 2026.01
EST2025-95, 2026-01-23
2025
A Stabilization Method for Automatic Educational Question Generation Based on Self-consistency in Chain-of-Thought Reasoning
Domestic WorkshopShimotsuji, Nayuta, Usami, Hiroyasu, Nakane, Jin
23rd Workshop on Informatics (WiNF 2025), 2025
P1A-3
Rain-effect Removal and Weather Estimation for Outdoor Images Using Rain Artifact Separation Learning
Domestic WorkshopKikuta, Manato, Hashizume, Wataru, Usami, Hiroyasu
23rd Workshop on Informatics (WiNF 2025), 2025
P1A-31
Verification of Semantic Biosynthesis in Image Generative AI Through a Modality Conversion-based Generation and Verification Cycle
Domestic WorkshopIzuhara, Keima, Tominari, Hiroki, Usami, Hiroyasu
23rd Workshop on Informatics (WiNF 2025), 2025
P1A-30
Data Augmentation for Retinal Image Segmentation Based on Ground-truth Mask Images
Domestic ConferenceTominari, Hiroki, Usami, Hiroyasu
Proceedings of the 2025 Tokai-Section Joint Conference on Electrical, Electronics, Information, and Related Engineering, 2025.09
2025-09-18; program title variant: Data augmentation for retinal image segmentation based on ground-truth masks
Application of a Fully Connected Spatio-Temporal GNN Structure for Day-of-week Classification Based on Communication Logs
Domestic ConferenceTajima, Koichiro, Nakashima, Yuki, Usami, Hiroyasu
Proceedings of the 2025 Tokai-Section Joint Conference on Electrical, Electronics, Information, and Related Engineering, 2025.09
G3-6, 2025-09-18
Efficient Automatic IMT Region Extraction Using MobileNetV3 and SegNet for Mobile Carotid Ultrasound Imaging
International ConferenceUsami, Hiroyasu, Nakayama, Natsuki, Arakawa, Naoko
BIOIMAGING 2025, 2025
BIOIMAGING25-367: Abstract, 20 min oral presentation
Inverse Rendering Using Single-view Polarization Cues and Shape Guidance Under Ambient Light
Domestic ConferenceTsuboi, Ayato, Usami, Hiroyasu
Meeting on Image Recognition and Understanding (MIRU 2025), 2025
IS1-016
2024
A Study of Purpose-oriented Prompts for Image Generative AI
Domestic WorkshopFukuoka, Reiya, Tominari, Hiroki, Usami, Hiroyasu, Iwahori, Yuji
Proceedings of the 55th Tokai Fuzzy Workshop, Japan Society for Fuzzy Theory and Intelligent Informatics, 2024
P1-07
SegNet-based IMT Region Segmentation in Carotid Ultrasound Images
Domestic WorkshopDoi, Mizuki, Usami, Hiroyasu, Nakayama, Natsuki, Arakawa, Naoko
Proceedings of the 56th Tokai Fuzzy Workshop, 2024.08
2024-08-05
Development of an Information-Sharing System to Bridge the Information Gap Among Health Professionals in the Thai Rural Community
International ConferenceArakawa, Naoko, Phunthawee, Patcharin, Nakayama, Natsuki, Usami, Hiroyasu, Ota, Katsumasa, Suzuki, Yuri
27th East Asian Forum of Nursing Scholars, 2024
EAFONS 2024
2023
Recommending Learning Actions Using Neural Network
International ConferenceKohama, Hirokazu, Ban, Yuki, Hirakawa, Tsubasa, Yamashita, Takayoshi, Fujiyoshi, Hironobu, Itai, Akitoshi, Usami, Hiroyasu
Proceedings of the 31st International Conference on Computers in Education, 2023
ICCE 2023
Research and Evaluation of Effective Prompts for Stable Diffusion-based AI Image Generation Tools
Domestic WorkshopTominari, Hiroki, Fukuoka, Reiya, Usami, Hiroyasu
21st Workshop on Informatics (WiNF 2023), 2023
S3C-4
Image Processing-based Support System for Recognizing Dangerous Worker Actions and Preventing Machine Accidents
Domestic WorkshopHashizume, Wataru, Usami, Hiroyasu, Noguchi, Yusuke, Tsuchida, Hiroyuki, Iwahori, Yuji
21st Workshop on Informatics (WiNF 2023), 2023
S2A-1
Establishing a Reciprocal Self-organization Mechanism for Extracting Simplified Information in Deep Learning
BulletinUsami, Hiroyasu
Journal of Comprehensive Engineering, 2023.03
Vol. 35, pp. 1-10
Sample-region Extraction in Biomass Ash Dissolution Image Data Using Time-series Information
Technical ReportYamane, Haruki, Usami, Hiroyasu, Suzuki, Yuri, Ninomiya, Yoshihiko
IEICE Technical Report, 2023
EST2022-87
2022
Shape Classification of Fly Ash Particles Using Deep Learning
Domestic ConferenceNinomiya, Yoshihiko, Jiang, Yanchi, Nakamura, Taichi, Usami, Hiroyasu, Mori, Takehito, Naganuma, Hiroshi, Sawada, Akihiro
Proceedings of the Conference on Coal Science, 2022
No. 59, pp. 20-21
A Study on Biomass Ash Melting Test Methods and Their Interpretation
Domestic ConferenceNinomiya, Yoshihiko, Sato, Ryuma, Usami, Hiroyasu, Hoshino, Hiroki
Proceedings of the Conference on Biomass Science, 2022
O-18
Adaptive Virtualization Environment Using Edge Computing
Domestic WorkshopHayashi, Yuto, Yamane, Haruki, Usami, Hiroyasu
20th Workshop on Informatics (WiNF 2022), 2022
S-1B-5
A Text-to-image Model Considering Latent Information Specific to Japanese
Domestic WorkshopFukuoka, Reiya, Yamazaki, Daiki, Yamane, Haruki, Usami, Hiroyasu, Suzuki, Yuri
20th Workshop on Informatics (WiNF 2022), 2022
S-4A-7
Coal Image Segmentation Using an Attention Mechanism Considering Relationships Between Coal and Included Minerals
Domestic WorkshopTajima, Koichiro, Doi, Mizuki, Usami, Hiroyasu, Ninomiya, Yoshihiko
20th Workshop on Informatics (WiNF 2022), 2022
S-4B-10
Improvement of Polyp Detection using MUNIT for Image Generation
International ConferenceIwahori, Yuji, Ooto, Tsubasa, Usami, Hiroyasu, Fukui, Shinji, Bhuyan, M. K., Wang, Aili, Ogasawara, Naotaka, Kasugai, Kunio
Procedia Computer Science, 2022
KES 2022
For earlier publications before the establishment of Usami Laboratory, please refer to thefaculty profile.