Keisuke Fujii

J-GLOBAL         Last updated: Feb 7, 2019 at 21:32
Keisuke Fujii
RIKEN Center for Advanced Intelligence Project
Structured learning team
Job title
Research Scientist
Research funding number

Research Areas


Published Papers

Supervised Dynamic Mode Decomposition via Multitask Learning
Keisuke Fujii, Yoshinobu Kawahara
Pattern Recognition Letters   Accepted    Feb 2019   [Refereed]
Automatically recognizing strategic cooperative behaviors in various situations of a team sport
Motokazu Hojo, Keisuke Fujii, Yuki Inaba, Yoichi Motoyasu,Yoshinobu Kawahara
PLoS One   13(12) e0209247   Dec 2018   [Refereed]
Prediction and classification in equation-free collective motion dynamics
Keisuke Fujii, Takeshi Kawasaki, Yuki Inaba, Yoshinobu Kawahara
PLoS Computational Biology   14(11) e1006545   Nov 2018   [Refereed]
Metric on nonlinear dynamical systems with Koopman operators
Isao Ishikawa, Keisuke Fujii, Masahiro Ikeda, Yuka Hashimoto, Yoshinobu Kawahara
Advances in Neural Information Processing Systems 31 (NeurIPS'18)   31 2858-2868   Dec 2018   [Refereed]
Quantitative analysis and visualization of children's group behavior from the perspective of development of spontaneity and sociality
Jun Ichikawa, Keisuke Fujii, Takayuki Nagai, Takashi Omori, Natsuki Oka
24th Conference of Collaboration Researchers International Working Group (CRIWG'18)   169-176   Sep 2018   [Refereed]
Social forces for team coordination in ball possession game
Keiko Yokoyama, Hiroyuki Shima, Keisuke Fujii, Noriyuki Tabuchi, Yuji Yamamoto
Physical Review E   97(022410)    Feb 2018   [Refereed]
Koopman spectral kernels for comparing complex dynamics: Application to multiagent sport plays
Keisuke Fujii, Yuki Inaba, Yoshinobu Kawahara
European Conf. on Machine Learning and Principles and Practice of Knowledge Discovery in Databases (ECML-PKDD'17)   127-139   Sep 2017   [Refereed]
Intermittent muscle activity in the feedback loop of postural control system during natural quiet standing
Hiroko Tanabe, Keisuke Fujii, Motoki Kouzaki.
Scientific Reports   7(10631)    Sep 2017   [Refereed]
Keisuke Fujii, Yuki Yoshihara, Hiroko Tanabe and Yuji Yamamoto
Frontiers in Human Neuroscience   11(298)    Jun 2017   [Refereed]
Bipedal direction change model by mobility control
Keisuke Fujii, Yuki Yoshihara, Hiroko Tanabe, Yuji Yamamoto
Symposium on Decentralized Autonomous Systems   29 59-64   Jan 2017

Conference Activities & Talks

Human creative interaction of group sports: Information-based modeling [Invited]
Keisuke Fujii
The fourth international workshop on Skill Science   13 Nov 2017   
Identification of multi-player cooperative play by machine learning using group sports position information data
24 May 2017   
An attack-and-defend competition as a redundant cognitive-motor system
Keisuke Fujii, Yuki Yoshihara, Yuji Yamamoto
Society for Neuroscience   13 Nov 2016   
Globally competitive and locally coordinative dynamics and behavior in group sports [Invited]
Fujii Keisuke
International Symposium Integrated Understanding for Emergent Property of Cooperation and Competition Dynamics   3 Mar 2016   
Interpersonal competition dynamics in a ballgame: Modeling of a 1-on-1 game and two opposing cognitive systems
Keisuke Fujii, Yuji Yamamoto
International Society of Posture and Gait Research   30 Jun 2015