Accepted to ICPR 2026

Our paper has been accepted to the 28th International Conference on Pattern Recognition (ICPR 2026). This paper proposes a model-merging-based continual learning method that can consider performance preferences.

  • Kei Hiroshima, Kento Uchida, Shinichi Shirakawa: Tunable MAGMAX: Preference-Aware Model Merging for Continual Learning, 28th International Conference on Pattern Recognition (ICPR 2026), Lyon, France, August 17-22, 2026.

Accepted to GECCO 2026

Our papers (four full papers) have been accepted to the Genetic and Evolutionary Computation Conference (GECCO 2026) (San José, Costa Rica (hybrid), July 13-17, 2026).

  • Haruhito Nakagawa, Kento Uchida, and Shinichi Shirakawa: Evaluation of Element-wise Effectiveness Estimation for Augmented Lagrangian CMA-ES (Accepted as a Full Paper)
  • Sota Hamada, Yutaro Yamada, Kento Uchida, and Shinichi Shirakawa: Hierarchical Evolution Strategy for Optimization of Sharp Ridge (Accepted as a Full Paper)
  • Kento Uchida, Ryoki Hamano, Masahiro Nomura, and Shinichi Shirakawa: Adaptive Stochastic Natural Gradient Method for Safe Optimization on Binary Space (Accepted as a Full Paper)
  • Ryoki Hamano, Kento Uchida, and Shinichi Shirakawa: Convergence Analysis of Evolution Strategies for Mixed-Integer Optimization (Accepted as a Full Paper)

Presentation at EvoCOP 2026 (Part of Evostar 2026)

Our paper has been accepted and presented at EvoCOP 2026 (Part of EvoStar 2026). This paper proposes a weight adaptation method for adaptive stochastic natural gradient in black-box binary optimization.

  • Yutaro Yamada, Kento Uchida, Shinichi Shirakawa: Weight Adaptation for Improving Parallel Performance of Adaptive Stochastic Natural Gradient, 26th European Conference on Evolutionary Computation in Combinatorial Optimization (EvoCOP 2026, Part of EvoStar 2026), Toulouse, France, April 8-10, 2026. (Best Paper Nomination) [DOI]

New members!

Members’ Page has been updated. Now, our laboratory has 2 faculty members, 1 secretary, 1 postdoctoral researcher, 14 master’s course students, and 6 undergraduate students for graduation research.

Accepted to PRICAI 2025

Our papers (one regular paper and one short paper) have been accepted to the Pacific Rim International Conference on Artificial Intelligence (PRICAI 2025) (Wellington, New Zealand, November 17-21, 2025).

  • Keisuke Sugawara, Kento Uchida, and Shinichi Shirakawa: Neural Architecture Search of Sample Reweighting Networks for Complex Distribution Shift (Accepted as a Regular Paper)
  • Daiki Yotsufuji, Kenta Nishihara, Shoma Shimizu, Kento Uchida, and Shinichi Shirakawa: OnDeFog: Online Decision Transformer under Frame Dropping (Accepted as a Short Paper)

Accepted to IECON 2025

Our paper has been accepted to the 51st Annual Conference of the IEEE Industrial Electronics Society (IECON 2025). This paper proposes uncertainty-aware self-localization for bulldozers based on machine learning. This work is a collaborative research with Komatsu Ltd.

  • Hikaru Sawafuji, Ryota Ozaki, Takuto Motomura, Toyohisa Matsuda, Masanori Tojima, Kento Uchida, and Shinichi Shirakawa: Uncertainty-Aware Self-Localization for Bulldozers Using Machine Learning with Internal Sensor Data, The 51st Annual Conference of the IEEE Industrial Electronics Society (IECON 2025), Madrid, Spain, October 14-17, 2025. (Accepted)

Presentation at AutoML 2025 (Non-Archival Content Track)

We presented on surrogate benchmarks for model merging optimization at AutoML 2025 Non-Archival Content Track.

  • Rio Akizuki, Yuya Kudo, Nozomu Yoshinari, Yoichi Hirose, Toshiyuki Nishimoto, Kento Uchida, and Shinichi Shirakawa: Surrogate Benchmarks for Model Merging Optimization, International Conference on Automated Machine Learning (AutoML 2025), Non-Archival Content Track, New York City, USA, September 8-11, 2025. [Link] [arXiv]

Presentation at ECS Congress 2025

We presented on atherosclerosis risk prediction using large language models at ESC Congress 2025. This work is a joint research with Prof. Yano at Juntendo University, etc.

  • Hibiki Murase, Kei Hiroshima, Kento Uchida, Mizuki Ohashi, Naoki Kashihara, Anthony Viera, Hiroyuki Daida, Shinichi Shirakawa, and Yuichiro Yano: Enhancing atherosclerosis risk prediction with strategic feature and case selections in large language model, ESC Congress 2025, Madrid, Spain, August 29 - September 1, 2025.

Accepted to ACL 2025

Our paper regarding prompt optimization in LLM has been accepted to the 63rd Annual Meeting of the Association for Computational Linguistics (ACL 2025) as a Findings paper.

  • Rin Ashizawa, Yoichi Hirose, Nozomu Yoshinari, Kento Uchida, and Shinichi Shirakawa: Bandit-Based Prompt Design Strategy Selection Improves Prompt Optimizers, Findings of the Association for Computational Linguistics (ACL 2025 Findings), pp. 20799–20817, Vienna, Austria (hybrid), July 27 - August 1, 2025. [DOI] [arXiv] [Code]