Reviewed Journal Papers

Daiki Morinaga, Youhei Akimoto. Theoretical Analysis of Explicit Averaging and Novel Sign Averaging in Comparison-Based Search, IEEE Transactions on Evolutionary Computation, (202x, accepted) [preprint]

Kotaro Sakamoto, Hideaki Ishibashi, Rei Sato, Shinichi Shirakawa, Youhei Akimoto, Hideitsu Hino. ATNAS: Automatic Termination for Neural Architecture Search, Neural Networks 166, pages 446-458 (2023) [doi] [link]

Kouki Wakita, Youhei Akimoto, Dimas M. Rachman, Yoshiki Miyauchi, Umeda Naoya, Atsuo Maki. Collision probability reduction method for tracking control in automatic docking / berthing using reinforcement learning, Journal of Marine Science and Technology 28, pages 844-861 (2023) [doi] [link]

Atsuhiro Miyagi, Yoshiki Miyauchi, Atsuo Maki, Kazuto Fukuchi, Jun Sakuma, Youhei Akimoto. Covariance Matrix Adaptation Evolutionary Strategy with Worst-Case Ranking Approximation for Min–Max Optimization and its Application to Berthing Control Tasks, ACM Transactions on Evolutionary Learning and Optimization 3(2), pages 1-32 (2023) [doi] [link] [preprint]

Daiki Morinaga, Kazuto Fukuchi, Jun Sakuma, Youhei Akimoto. Convergence Rate of the (1+1)-Evolution Strategy on Locally Strongly Convex Functions with Lipschitz Continuous Gradient and their Monotonic Transformations, IEEE Transactions on Evolutionary Computation, (202x, accepted) [doi] [link] [preprint]

Thien Tran, Kazuto Fukuchi, Youhei Akimoto, Jun Sakuma. Statistically Significant Pattern Mining with Ordinal Utility, IEEE Transactions on Knowledge and Data Engineering 35(9), pages 8770-8783 (2023) [doi] [link]

Daiki Nishiyama, Kazuto Fukuchi, Youhei Akimoto, Jun Sakuma. CAMRI Loss: Improving Recall of a Specific Class without Sacrificing Accuracy, IEICE Transactions on Information and Systems E106-D(4), pages 523-537 (2023) [doi] [link]

Satoru Hamada, Yoshiki Miyauchi, Youhei Akimoto, Naoya Umeda, Atsuo Maki. System identification of Porpoising Dynamics of High-Speed Planing Craft Using Full Scale Trial Data, Ocean Engineering 270, id 113585 (2023) [doi]

Jiayang Liu, Weiming Zhang, Kazuto Fukuchi, Youhei Akimoto, Jun Sakuma. Unauthorized AI cannot Recognize Me: Reversible Adversarial Example, Pattern Recognition 134, id 109048 (2023) [doi] [link] [preprint]

Atsuhiro Miyagi, Kazuto Fukuchi, Jun Sakuma, Youhei Akimoto. Adaptive Scenario Subset Selection for Worst-Case Optimization and its Application to Well Placement Optimization, Applied Soft Computing 133, id 109842 (2023) [doi] [link] [preprint] [repository]

Youhei Akimoto. Analysis of Surrogate-Assisted Information-Geometric Optimization Algorithms, Algorithmica 86, pages 33-63 (2024) [doi] [link] [preprint]

Naoki Sakamoto, Youhei Akimoto. Adaptive Ranking-based Constraint Handling for Explicitly Constrained Black-Box Optimization, Evolutionary Computation 30(4), pages 503-529 (2022) [doi] [link] [preprint] [repository]

Naoki Sakamoto, Rei Sato, Kazuto Fukuchi, Jun Sakuma, Youhei Akimoto. Explicitly Constrained Black-Box Optimization with Disconnected Feasible Domains Using Deep Generative Models, IEEE Access 10, pages 117501-117514 (2022) [doi]

Zhe Yu, Kazuto Fukuchi, Youhei Akimoto, Jun Sakuma. Domain Generalization via Adversarially Learned Novel Domains, IEEE Access 10, pages 101855-101868 (2022) [doi]

Yoshiki Miyauchi, Atsuo Maki, Naoya Umeda, Dimas M. Rachman, Youhei Akimoto. System Parameter Exploration of Ship Maneuvering Model for Automatic Docking / Berthing using CMA-ES, Journal of Marine Science and Technology 27, pages 1065-1083 (2022) [doi] [link] [preprint]

Youhei Akimoto, Anne Auger, Tobias Glasmachers, Daiki Morinaga. Global Linear Convergence of Evolution Strategies on More than Smooth Strongly Convex Functions, SIAM Journal on Optimization 32(2), pages 1402-1429 (2022) [doi] [preprint]

Youhei Akimoto, Yoshiki Miyauchi, Atsuo Maki. Saddle Point Optimization with Approximate MinimizationOracle and its Application to Robust Berthing Control, ACM Transactions on Evolutionary Learning and Optimization 2(1), pages 1-32 (2022) [doi] [link] [preprint] [repository]

Youhei Akimoto, Anne Auger, Nikolaus Hansen. An ODE Method to Prove the Geometric Convergence of Adaptive Stochastic Algorithms, Stochastic Processes and their Applications 145, pages 269-307 (2022) [doi] [preprint]

Yoshiki Miyauchi, Ryohei Sawada, Youhei Akimoto, Naoya Umeda, Atsuo Maki. Optimization on Planning of Trajectory and Control of Autonomous Berthing and Unberthing for the Realistic Port Geometry, Ocean Engineering 245, id 110390 (2022) [doi] [preprint]

Garuda Fujii, Youhei Akimoto. Electromagnetic--acoustic biphysical cloak designed through topology optimization, Optics Express 30(4), pages 6090-6106 (2022) [doi] [link]

Kouki Wakita, Atsuo Maki, Naoya Umeda, Yoshiki Miyauchi, Tohga Shimoji, Dimas M. Rachman, Youhei Akimoto. On Neural Network Identification for Low-Speed Ship Maneuvering Model, Journal of Marine Science and Technology 27, pages 772-785 (2022) [doi] [link] [preprint]

Atsuo Maki, Youhei Akimoto, Naoya Umeda. Application of optimal control theory based on the evolution strategy (CMA-ES) to automatic berthing (Part: 2), Journal of Marine Science and Technology 26, pages 835-845 (2021) [doi] [link]

Sreenath Maniyappan, Naoya Umeda, Atsuo Maki, Youhei Akimoto. Effectiveness and Mechanism of Broaching-to Prevention Using Global Optimal Control with Evolution Strategy (CMA-ES), Journal of Marine Science and Technology 26, pages 382-394 (2021) [doi] [link]

宮城 充宏, 山本 肇, 秋本 洋平. 二酸化炭素地中貯留における坑井配置の CMA-ES による最適化ツールの開発 ―並列計算手法による高速化―, 土木学会論文集A2（応用力学） 77(1), pages 21-34 (2021) [doi] [link]

Garuda Fujii, Masayuki Takahashi, Youhei Akimoto. Acoustic cloak designed by topology optimization for acoustic–elastic-coupled systems, Applied Physics Letters 118, id 101102 (2021) [doi] [link]

Atsuo Maki, Naoki Sakamoto, Youhei Akimoto, Yuki Banno, Sreenath Maniyappan, Naoya Umeda. On broaching-to prevention using optimal control theory with evolution strategy (CMA-ES), Journal of Marine Science and Technology 26, pages 71-87 (2021) [doi] [link]

Kento Uchida, Shinichi Shirakawa, Youhei Akimoto. Finite-Sample Analysis of Information Geometric Optimization with Isotropic Gaussian Distribution on Convex Quadratic Functions, IEEE Transactions on Evolutionary Computation 24(6), pages 1035-1049 (2020) [doi] [link]

Garuda Fujii, Youhei Akimoto. Cloaking a concentrator in thermal conduction via topology optimization  , International Journal of Heat and Mass Transfer 159, (2020) [doi] [link]

Garuda Fujii, Youhei Akimoto. DC electric cloak concentrator via topology optimization, Physical Review E 102, id 033308 (2020) [doi] [link]

Youhei Akimoto, Nikolaus Hansen. Diagonal Acceleration for Covariance Matrix Adaptation Evolution Strategies, Evolutionary Computation 28(3), pages 379-404 (2020) [doi] [link] [preprint] [repository]

Youhei Akimoto, Anne Auger, Nikolaus Hansen. Quality Gain Analysis of the Weighted Recombination Evolution Strategy on General Convex Quadratic Functions, Theoretical Computer Science 832, pages 42-67 (2020) [doi] [link]

Garuda Fujii, Youhei Akimoto. Optimizing the structural topology of bifunctional invisible cloak manipulating heat flux and direct current, Applied Physics Letters 115(17), id 174101 (2019) [doi] [link]

Garuda Fujii, Youhei Akimoto. Topology-optimized thermal carpet cloak expressed by an immersed-boundary level-set method via a covariance matrix adaption evolution strategy, International Journal of Heat and Mass Transfer 137, pages 1312-1322 (2019) [doi] [link]

Atsuo Maki, Naoki Sakamoto, Youhei Akimoto, Hiroyuki Nishikawa, Naoya Umeda. Application of optimal control theory based on the evolution strategy (CMA-ES) to automatic berthing , Journal of Marine Science and Technology 25, pages 221-233 (2019) [doi] [link]

Garuda Fujii, Youhei Akimoto. DC carpet cloak designed by topology optimization based on CMA-ES, Optics Letters 44(8), pages 2057-2060 (2019) [doi] [link]

阪本 直気, 秋本 洋平. ブラックボックス最適化のための不変性を考慮した線形制約対処法の提案, 進化計算学会論文誌 9(1), pages 21-30 (2018) [doi] [link]

Garuda Fujii, Youhei Akimoto, Masayuki Takahashi. Direct-current electric invisibility through topology optimization, Journal of Applied Physics 123(23), id 233102 (2018) [doi] [link]

Garuda Fujii, Masayuki Takahashi, Youhei Akimoto. CMA-ES-based structural topology optimization using a level set boundary expression—Application to optical and carpet cloaks, Computer Methods in Applied Mechanics and Engineering 332, pages 624-643 (2018) [doi] [link]

大橋 響太郎, 藤吉 夏生, 秋本 洋平. 事前調節不要な政策最適化: IBP-CMAの提案と評価, 進化計算学会論文誌 9(1), pages 10-20 (2018) [doi] [link]

高橋 正幸, 秋本 洋平, 藤井 雅留太. 共分散行列適応進化戦略に基づいた音響クロークのトポロジー最適化, 日本機械学会論文集 84(859), id 17-00590 (2018) [doi] [link]

Garuda Fujii, Youhei Akimoto, Masayuki Takahashi. Exploring optimal topology of thermal cloaks by CMA-ES, Applied Physics Letters 112(6), id 61108 (2018) [doi] [link]

Osamu Takyu, Shohei Fujii, Youhei Akimoto, Mai Ohta, Takeo Fujii, Fumihito Sasamori, Shiro Handa. Optimal Cluster Head Selection and Rotation of Cognitive Wireless Sensor Networks for Simultaneous Data Gathering and Long Life System, International Journal of Distributed Sensor Networks 13(12), (2017) [doi] [link]

西田 昂平, 秋本 洋平. CMA-ES のための集団サイズ適応機構の提案と評価, 進化計算学会論文誌 8(2), pages 61-74 (2017) [doi] [link]

阪本 直気, 秋本 洋平. CMA-ESにおける矩形制約対処法の改良と線形制約への拡張, 進化計算学会論文誌 8(2), pages 23-35 (2017) [doi] [link]

TzeWei YEOH, Youhei AKIMOTO, Hernan AGUIRRE, Kiyoshi TANAKA. A Gait-Based Human Identification Method Under Various Covariate Factors, IIEEJ transactions on image electronics and visual computing 3(2), pages 193-205 (2015) [link]

Youhei Akimoto, Sandra Astete-Morales, Olivier Teytaud. Analysis of runtime of optimization algorithms for noisy functions over discrete codomains, Theoretical Computer Science 605, pages 42-50 (2015) [doi]

Martin Drozdik, Youhei Akimoto, Hernan Aguirre, Kiyoshi Tanaka. Computational Cost Reduction of Non-dominated Sorting Using M-front, IEEE Transactions on Evolutionary Computation 19(5), pages 659-678 (2015) [doi]

Saeed RamezanJamaat, Youhei Akimoto, Hernan Aguirre, Kiyoshi Tanaka. Efficient reconfiguration of distribution networks using extended pruning-grafting operators, IEEJ Transactions on Electrical and Electronic Engineering 10(2), pages 119-133 (2015) [doi]

MinZhi Chua, Youhei Akimoto, Hernan Aguirre, Kiyoshi Tanaka. Asian Face Classification Based on Personal Attractive Preference Using Class-Specific Eigenfaces Reconstruction Method, IIEEJ Transactions on Image Electronics and Visual Computing 2(1), pages 91-103 (2014) [link]

Youhei Akimoto, Yuichi Nagata, Isao Ono, Shigenobu Kobayashi. Theoretical Foundation for CMA-ES from Information Geometry Perspective, Algorithmica 64(4), pages 698-716 (2012) [doi] [link]

Atsuo Maki, Youhei Akimoto, Yuichi Nagata, Shigenobu Kobayashi, Eiichi Kobayashi, Shigeaki Shiotani, Teruo Ohsawa, Naoya Umeda. A new weather-routing system that accounts for ship stability based on a real-coded genetic algorithm, Journal of Marine Science and Technology 16, pages 311-322 (2011) [doi] [link]

秋本 洋平, 永田 裕一, 佐久間 淳, 小野 功, 小林 重信. 実数値 GA における生存選択モデルとしての MGG と JGG の挙動解析, 人工知能学会論文誌 25(2), pages 281-289 (2010) [doi] [link]

秋本 洋平, 永田 裕一, 佐久間 淳, 小野 功, 小林 重信. 適応的実数値交叉 AREX の提案と評価, 人工知能学会論文誌 24(6), pages 446-458 (2009) [doi] [link]

秋本 洋平, 佐久間 淳, 小野 功, 小林 重信. 機能分担 CMA-ES の提案と評価, 人工知能学会論文誌 24(1), pages 58-68 (2009) [doi] [link]

田中 雅晴, 秋本 洋平, 佐久間 淳, 小野 功, 小林 重信. 2 段階 GA "Solid EMO" によるレンズ系設計, 人工知能学会論文誌 23(3), pages 193-204 (2008) [doi] [link]