Multi-space Competitive DGA and its application to localization of multiple signal sources. - Keiichi Horio; Shudai Ishikawa; Hideaki Misawa; Tatsuji Tokiwa; Takeshi Yamakawa; Ryosuke Kubota (NaBIC, 2010)

Multi-Space Competitive DGA for Model Selection and its Application to Localization of Multiple Signal Sources. - Shudai Ishikawa; Hideaki Misawa; Ryosuke Kubota; Tatsuji Tokiwa; Keiichi Horio; Takeshi Yamakawa (J. Adv. Comput. Intell. Intell. Informatics, 2011)

Signal sources localization using GA preserving genetic diversity based on fitness values. - Shudai Ishikawa; Keiichi Horio; Yoshiaki Ueda; Ryosuke Kubota; Takeshi Yamakawa (ISPACS, 2013)

Hierarchical Optimization Using Hierarchical Multi-competitive Genetic Algorithm and its Application to Multiple Vehicle Routing Problem. - Shudai Ishikawa; Ryosuke Kubota; Keiichi Horio (SIGMAP, 2014)

Effective hierarchical optimization using integration of solution spaces and its application to multiple Vehicle Routing Problem. - Shudai Ishikawa; Keiichi Horio; Ryosuke Kubota (ISPACS, 2015)

Effective hierarchical optimization by a hierarchical multi-space competitive genetic algorithm for the flexible job-shop scheduling problem. - Shudai Ishikawa; Ryosuke Kubota; Keiichi Horio (Expert Syst. Appl., 2015)

Development of the human tracking system using the cooperating of multiple cameras arranged sparsely. - Taiki Sato; Shudai Ishikawa; Hirokazu Shimada (TENCON, 2021)

Image-based virtual try-on system with clothing extraction module that adapts to any posture. - Shudai Ishikawa; Takumi Ikenaga (Comput. Graph., 2022)

Person Re-identification System by Selecting Appropriate Trained Model. - Yuma Iwanaga; Shudai Ishikawa; Hirokazu Shimada (TENCON, 2024)

Motion Classification by Utilizing Machine Learning for Acceleration Data. - Kenzaburo Ishizu; Toshimitsu Honda; Kohei Miyase; Stefan Holst; Shudai Ishikawa; Roshwin Sengupta; Ilia Polian (ICCE, 2025)