Kohei Nakajima

According to our database, Kohei Nakajima authored at least 92 papers between 2007 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2024

Training Spiking Neural Networks via Augmented Direct Feedback Alignment.

Yongbo Zhang, Katsuma Inoue, Mitsumasa Nakajima, Toshikazu Hashimoto, Yasuo Kuniyoshi, Kohei Nakajima

CoRR, 2024

How noise affects memory in linear recurrent networks.

JingChuan Guan, Tomoyuki Kubota, Yasuo Kuniyoshi, Kohei Nakajima

CoRR, 2024

Informational Embodiment: Computational role of information structure in codes and robots.

Alexandre Pitti, Kohei Nakajima, Yasuo Kuniyoshi

CoRR, 2024

A Jellyfish Cyborg: Exploiting Natural Embodied Intelligence as Soft Robots.

Dai Owaki, Max Austin, Shuhei Ikeda, Kazuya Okuizumi, Kohei Nakajima

CoRR, 2024

Designing Chaotic Attractors: A Semi-supervised Approach.

Tempei Kabayama, Yasuo Kuniyoshi, Kazuyuki Aihara, Kohei Nakajima

CoRR, 2024

Exploiting Chaotic Dynamics as Deep Neural Networks.

Shuhong Liu, Nozomi Akashi, Qingyao Huang, Yasuo Kuniyoshi, Kohei Nakajima

CoRR, 2024

Thermodynamic limit in learning period three.

Yuichiro Terasaki, Kohei Nakajima

CoRR, 2024

Memory Regressor Extended Echo State Networks for Nonlinear Dynamics Modeling.

Kai Hu, Qian Wang, Tian Shi, Kohei Nakajima, Yongping Pan

Proceedings of the European Control Conference, 2024

2023

Information Processing Capacity of Spintronic Oscillator.

Sumito Tsunegi, Tomoyuki Kubota, Akira Kamimaki, Julie Grollier, Vincent Cros, Kay Yakushiji, Akio Fukushima, Shinji Yuasa, Hitoshi Kubota, Kohei Nakajima, Tomohiro Taniguchi

Adv. Intell. Syst., September, 2023

"RobOstrich" Manipulator: A Novel Mechanical Design and Control Based on the Anatomy and Behavior of an Ostrich Neck.

Kazashi Nakano, Megu Gunji, Masahiro Ikeda, Keung Or, Mitsuhito Ando, Katsuma Inoue, Hiromi Mochiyama, Kohei Nakajima, Ryuma Niiyama, Yasuo Kuniyoshi

IEEE Robotics Autom. Lett., May, 2023

Generalized multiplicative stochastic processes arising from one-dimensional maps with noise.

Taichi Haruna, Kohei Nakajima

Artif. Life Robotics, February, 2023

Virtual reservoir acceleration for CPU and GPU: Case study for coupled spin-torque oscillator reservoir.

Thomas Geert de Jong, Nozomi Akashi, Tomohiro Taniguchi, Hirofumi Notsu, Kohei Nakajima

CoRR, 2023

Embedding bifurcations into pneumatic artificial muscle.

Nozomi Akashi, Yasuo Kuniyoshi, Taketomo Jo, Mitsuhiro Nishida, Ryo Sakurai, Yasumichi Wakao, Kohei Nakajima

CoRR, 2023

Densely Parallelized Photonic Tensor Processor on Hybrid Waveguide/Free-Space-Optics.

Mitsumasa Nakajima, Kenji Tanaka, Katsuma Inoue, Kohei Nakajima, Toshikazu Hashimoto

Proceedings of the International Conference on Photonics in Switching and Computing, 2023

2022

Behavioral Diversity Generated From Body-Environment Interactions in a Simulated Tensegrity Robot.

Ryo Terajima, Katsuma Inoue, Shogo Yonekura, Kohei Nakajima, Yasuo Kuniyoshi

IEEE Robotics Autom. Lett., 2022

Continuum-Body-Pose Estimation From Partial Sensor Information Using Recurrent Neural Networks.

Kazutoshi Tanaka, Yuna Minami, Yuji Tokudome, Katsuma Inoue, Yasuo Kuniyoshi, Kohei Nakajima

IEEE Robotics Autom. Lett., 2022

Physics-Informed Recurrent Neural Networks for Soft Pneumatic Actuators.

Wentao Sun, Nozomi Akashi, Yasuo Kuniyoshi, Kohei Nakajima

IEEE Robotics Autom. Lett., 2022

Performance of reservoir computing in a random network of single-walled carbon nanotubes complexed with polyoxometalate.

Megumi Akai-Kasaya, Yuki Takeshima, Shaohua Kan, Kohei Nakajima, Takahide Oya, Tetsuya Asai

Neuromorph. Comput. Eng., 2022

Special Issue on Science of Soft Robots.

Koichi Suzumori, Ryuma Niiyama, Kenjiro Fukuda, Kohei Nakajima

J. Robotics Mechatronics, 2022

Durable Pneumatic Artificial Muscles with Electric Conductivity for Reliable Physical Reservoir Computing.

Ryo Sakurai, Mitsuhiro Nishida, Taketomo Jo, Yasumichi Wakao, Kohei Nakajima

J. Robotics Mechatronics, 2022

Quantum-Classical Hybrid Information Processing via a Single Quantum System.

Quoc-Hoan Tran, Sanjib Ghosh, Kohei Nakajima

CoRR, 2022

Quantum Noise-Induced Reservoir Computing.

Tomoyuki Kubota, Yudai Suzuki, Shumpei Kobayashi, Quoc-Hoan Tran, Naoki Yamamoto, Kohei Nakajima

CoRR, 2022

Composite FORCE learning of chaotic echo state networks for time-series prediction.

Yansong Li, Kai Hu, Kohei Nakajima, Yongping Pan

CoRR, 2022

Physical Deep Learning with Biologically Plausible Training Method.

Mitsumasa Nakajima, Katsuma Inoue, Kenji Tanaka, Yasuo Kuniyoshi, Toshikazu Hashimoto, Kohei Nakajima

CoRR, 2022

Self-Organization of Remote Reservoirs: Transferring Computation to Spatially Distant Locations.

Kazutoshi Tanaka, Yuji Tokudome, Yuna Minami, Satoko Honda, Toshiki Nakajima, Kuniharu Takei, Kohei Nakajima

Adv. Intell. Syst., 2022

A Coupled Spintronics Neuromorphic Approach for High-Performance Reservoir Computing.

Nozomi Akashi, Yasuo Kuniyoshi, Sumito Tsunegi, Tomohiro Taniguchi, Mitsuhiro Nishida, Ryo Sakurai, Yasumichi Wakao, Kenji Kawashima, Kohei Nakajima

Adv. Intell. Syst., 2022

Self-Organization of Physics-Informed Mechanisms in Recurrent Neural Networks: A Case Study in Pneumatic Artificial Muscles.

Wentao Sun, Nozomi Akashi, Yasuo Kuniyoshi, Kohei Nakajima

Proceedings of the 5th IEEE International Conference on Soft Robotics, 2022

Echo state property and memory in octopus-inspired soft robotic arm.

Katsushi Kagaya, Bowei Yu, Yuna Minami, Kohei Nakajima

Proceedings of the 5th IEEE International Conference on Soft Robotics, 2022

Pre-training on physical dynamics enhances indirect sensing in recurrent neural networks.

Mitsuhiro Nishida, Ryo Sakurai, Yasumichi Wakao, Kohei Nakajima

Proceedings of the International Symposium on Micro-NanoMechatronics and Human Science, 2022

2021

Reservoir Computing Based on Spintronics Technology.

Tomohiro Taniguchi, Sumito Tsunegi, Shinji Miwa, Keisuke Fujii, Hitoshi Kubota, Kohei Nakajima

Proceedings of the Reservoir Computing, 2021

Toward NMR Quantum Reservoir Computing.

Makoto Negoro, Kosuke Mitarai, Kohei Nakajima, Keisuke Fujii

Proceedings of the Reservoir Computing, 2021

Quantum Reservoir Computing: A Reservoir Approach Toward Quantum Machine Learning on Near-Term Quantum Devices.

Keisuke Fujii, Kohei Nakajima

Proceedings of the Reservoir Computing, 2021

Algebraic approach towards the exploitation of "softness": the input-output equation for morphological computation.

Mizuka Komatsu, Takaharu Yaguchi, Kohei Nakajima

Int. J. Robotics Res., 2021

Transient Chaos in BERT.

Katsuma Inoue, Soh Ohara, Yasuo Kuniyoshi, Kohei Nakajima

CoRR, 2021

Learning Temporal Quantum Tomography.

Quoc-Hoan Tran, Kohei Nakajima

CoRR, 2021

Flapping-Wing Dynamics as a Natural Detector of Wind Direction.

Kazutoshi Tanaka, Shih-Hsin Yang, Yuji Tokudome, Yuna Minami, Yuyao Lu, Takayuki Arie, Seiji Akita, Kuniharu Takei, Kohei Nakajima

Adv. Intell. Syst., 2021

Generalization Capability of Mixture Estimation Model for Peristaltic Continuous Mixing Conveyor.

Sana Oshino, Rie Nishihama, Kota Wakamatsu, Katsuma Inoue, Daisuke Matsui, Manabu Okui, Kohei Nakajima, Yasuo Kuniyoshi, Taro Nakamura

IEEE Access, 2021

Object Recognition Using the Deformation Dynamics of Polyurethane Foam.

Yasumichi Wakao, Ryo Sakurai, Hajime Kitano, Kohei Nakajima

Proceedings of the International Symposium on Micro-NanoMechatronics and Human Science, 2021

Physics-informed reservoir computing with autonomously switching readouts: a case study in pneumatic artificial muscles.

Wentao Sun, Nozomi Akashi, Yasuo Kuniyoshi, Kohei Nakajima

Proceedings of the International Symposium on Micro-NanoMechatronics and Human Science, 2021

Physical reservoir computing in a soft swimming robot.

Yuta Horii, Katsuma Inoue, Satoshi Nishikawa, Kohei Nakajima, Ryuma Niiyama, Yasuo Kuniyoshi

Proceedings of the 2021 Conference on Artificial Life, 2021

Wearable Tactile Sensor Suit for Natural Body Dynamics Extraction: Case Study on Posture Prediction Based on Physical Reservoir Computing.

Hidenobu Sumioka, Kohei Nakajima, Kurima Sakai, Takashi Minato, Masahiro Shiomi

Proceedings of the IEEE/RSJ International Conference on Intelligent Robots and Systems, 2021

Performance Improvement of FORCE Learning for Chaotic Echo State Networks.

Ruihong Wu, Kohei Nakajima, Yongping Pan

Proceedings of the Neural Information Processing - 28th International Conference, 2021

2020

Universal Approximation Property of Quantum Feature Map.

Takahiro Goto, Quoc-Hoan Tran, Kohei Nakajima

CoRR, 2020

Higher-Order Quantum Reservoir Computing.

Quoc-Hoan Tran, Kohei Nakajima

CoRR, 2020

Physical reservoir computing - An introductory perspective.

Kohei Nakajima

CoRR, 2020

Designing spontaneous behavioral switching via chaotic itinerancy.

Katsuma Inoue, Kohei Nakajima, Yasuo Kuniyoshi

CoRR, 2020

Mixing State Estimation of Peristaltic Continuous Mixing Conveyor with Distributed Sensing System Based on Soft Intestine Motion.

Kota Wakamatsu, Katsuma Inoue, D. Hagiwara, H. Adachi, Daisuke Matsui, Shunichi Kurumaya, Rie Nishihama, Manabu Okui, Kohei Nakajima, Yasuo Kuniyoshi, Taro Nakamura

Proceedings of the 3rd IEEE International Conference on Soft Robotics, 2020

Emulating a sensor using soft material dynamics: A reservoir computing approach to pneumatic artificial muscle.

Ryo Sakurai, Mitsuhiro Nishida, Hideyuki Sakurai, Yasumichi Wakao, Nozomi Akashi, Yasuo Kuniyoshi, Yuna Minami, Kohei Nakajima

Proceedings of the 3rd IEEE International Conference on Soft Robotics, 2020

Shape reconstruction of CCD camera-based soft tactile sensors.

Gabor Soter, Helmut Hauser, Andrew Conn, Jonathan Rossiter, Kohei Nakajima

Proceedings of the IEEE/RSJ International Conference on Intelligent Robots and Systems, 2020

2019

Optimal short-term memory before the edge of chaos in driven random recurrent networks.

Taichi Haruna, Kohei Nakajima

CoRR, 2019

Dynamical Anatomy of NARMA10 Benchmark Task.

Tomoyuki Kubota, Kohei Nakajima, Hirokazu Takahashi

CoRR, 2019

Information Processing Capability of Soft Continuum Arms.

Estefany A. Torres, Kohei Nakajima, Isuru S. Godage

Proceedings of the IEEE International Conference on Soft Robotics, 2019

Soft bodies as input reservoir: role of softness from the viewpoint of reservoir computing.

Katsuma Inoue, Kohei Nakajima, Yasuo Kuniyoshi

Proceedings of the International Symposium on Micro-NanoMechatronics and Human Science, 2019

Unpredictable as dice: analyzing riddled basin structures in a passive dynamic walker.

Nozomi Akashi, Kohei Nakajima, Yasuo Kuniyoshi

Proceedings of the International Symposium on Micro-NanoMechatronics and Human Science, 2019

Echo State Property of Neuronal Cell Cultures.

Tomoyuki Kubota, Kohei Nakajima, Hirokazu Takahashi

Proceedings of the Artificial Neural Networks and Machine Learning - ICANN 2019 - 28th International Conference on Artificial Neural Networks, Munich, Germany, September 17-19, 2019, Proceedings, 2019

2018

Use of recurrent infomax to improve the memory capability of input-driven recurrent neural networks.

Hisashi Iwade, Kohei Nakajima, Takuma Tanaka, Toshio Aoyagi

CoRR, 2018

Information processing using a single Izhikevich neuron.

Tomoyuki Kubota, Kohei Nakajima, Hirokazu Takahashi

Proceedings of the 2018 Conference on Artificial Life, 2018

Mass-Spring Damper Array as a Mechanical Medium for Computation.

Yuki Yamanaka, Takaharu Yaguchi, Kohei Nakajima, Helmut Hauser

Proceedings of the Artificial Neural Networks and Machine Learning - ICANN 2018, 2018

2016

Harnessing disordered quantum dynamics for machine learning.

Keisuke Fujii, Kohei Nakajima

CoRR, 2016

2014

Measuring information transfer in a soft robotic arm.

Kohei Nakajima, Nico M. Schmidt, Rolf Pfeifer

CoRR, 2014

Exploiting short-term memory in soft body dynamics as a computational resource.

Kohei Nakajima, Tao Li, Helmut Hauser, Rolf Pfeifer

CoRR, 2014

Symbolic local information transfer.

Kohei Nakajima, Taichi Haruna

CoRR, 2014

Dynamics Underneath Symbols: A Case Study in Autonomous Agents.

Kohei Nakajima

CoRR, 2014

Spine as an engine: effect of spine morphology on spine-driven quadruped locomotion.

Qian Zhao, Hidenobu Sumioka, Kohei Nakajima, Xiaoxiang Yu, Rolf Pfeifer

Adv. Robotics, 2014

2013

A soft body as a reservoir: case studies in a dynamic model of octopus-inspired soft robotic arm.

Kohei Nakajima, Helmut Hauser, Rongjie Kang, Emanuele Guglielmino, Darwin G. Caldwell, Rolf Pfeifer

Frontiers Comput. Neurosci., 2013

Permutation Complexity and Coupling Measures in Hidden Markov Models.

Taichi Haruna, Kohei Nakajima

Entropy, 2013

Self-Organized Translational Wheeling Motion in Stochastic Self-Assembling Modules.

Shuhei Miyashita, Kohei Nakajima, Zoltán Nagy, Rolf Pfeifer

Artif. Life, 2013

Bootstrapping Perception using Information Theory: Case Studies in a quadruped Robot Running on Different grounds.

Nico M. Schmidt, Matej Hoffmann, Kohei Nakajima, Rolf Pfeifer

Adv. Complex Syst., 2013

Spine dynamics as a computational resource in spine-driven quadruped locomotion.

Qian Zhao, Kohei Nakajima, Hidenobu Sumioka, Helmut Hauser, Rolf Pfeifer

Proceedings of the 2013 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2013

Computing with a muscular-hydrostat system.

Kohei Nakajima, Helmut Hauser, Rongjie Kang, Emanuele Guglielmino, Darwin G. Caldwell, Rolf Pfeifer

Proceedings of the 2013 IEEE International Conference on Robotics and Automation, 2013

Online learning for behavior switching in a soft robotic arm.

Tao Li, Kohei Nakajima, Rolf Pfeifer

Proceedings of the 2013 IEEE International Conference on Robotics and Automation, 2013

2012

The function of the spine and its morphological effect in quadruped robot locomotion.

Qian Zhao, Hidenobu Sumioka, Xiaoxiang Yu, Kohei Nakajima, Zhimin Wang, Rolf Pfeifer

Proceedings of the 2012 IEEE International Conference on Robotics and Biomimetics, 2012

Local information transfer in soft robotic arm.

Kohei Nakajima, Tao Li, Rongjie Kang, Emanuele Guglielmino, Darwin G. Caldwell, Rolf Pfeifer

Proceedings of the 2012 IEEE International Conference on Robotics and Biomimetics, 2012

Embodiment enables the spinal engine in quadruped robot locomotion.

Qian Zhao, Kohei Nakajima, Hidenobu Sumioka, Xiaoxiang Yu, Rolf Pfeifer

Proceedings of the 2012 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2012

Timing-based control via echo state network for soft robotic arm.

Junichi Kuwabara, Kohei Nakajima, Rongjie Kang, David T. Branson, Emanuele Guglielmino, Darwin G. Caldwell, Rolf Pfeifer

Proceedings of the 2012 International Joint Conference on Neural Networks (IJCNN), 2012

Behavior switching using reservoir computing for a soft robotic arm.

Tao Li, Kohei Nakajima, Matteo Cianchetti, Cecilia Laschi, Rolf Pfeifer

Proceedings of the IEEE International Conference on Robotics and Automation, 2012

2011

Basic Problems in Self-Assembling Robots and a Case Study of Segregation on Tribolon Platform.

Shuhei Miyashita, Aubery Marchel Tientcheu Ngouabeu, Rudolf M. Füchslin, Kohei Nakajima, Christof Audretsch, Rolf Pfeifer

Proceedings of the Bio-Inspired Self-Organizing Robotic Systems, 2011

How to Harness the Dynamics of Soft Body: Timing Based Control of a Simulated Octopus Arm via Recurrent Neural Networks.

Kohei Nakajima, Tao Li, Naveen Kuppuswamy, Rolf Pfeifer

Proceedings of the 2nd European Future Technologies Conference and Exhibition, 2011

Symbolic transfer entropy rate is

Taichi Haruna, Kohei Nakajima

CoRR, 2011

Permutation Excess Entropy and Mutual Information between the Past and Future

Taichi Haruna, Kohei Nakajima

CoRR, 2011

Permutation Complexity via Duality between Values and Orderings

Taichi Haruna, Kohei Nakajima

CoRR, 2011

Self-organized perturbations enhance class IV behavior and 1/f power spectrum in elementary cellular automata.

Kohei Nakajima, Taichi Haruna

Biosyst., 2011

Information theoretic analysis on a soft robotic arm inspired by the octopus.

Kohei Nakajima, Tao Li, Hidenobu Sumioka, Matteo Cianchetti, Rolf Pfeifer

Proceedings of the 2011 IEEE International Conference on Robotics and Biomimetics, 2011

Harnessing the dynamics of a soft body with "timing": Octopus inspired control via recurrent neural networks.

Kohei Nakajima, Tao Li, Naveen Kuppuswamy, Rolf Pfeifer

Proceedings of the 15th International Conference on Advanced Robotics: New Boundaries for Robotics, 2011

Biologically inspired control of a simulated octopus ARM via recurrent neural networks.

Kohei Nakajima, Tao Li, Naveen Kuppuswamy, Rolf Pfeifer

Proceedings of the 13th Annual Genetic and Evolutionary Computation Conference, 2011

2010

Dynamical Systems Interpretation of Reversal of Subjective Temporal Order Due to Arm Crossing.

Kohei Nakajima, Takashi Ikegami

Adapt. Behav., 2010

Self-organized Segregation Effect on Water Based Self-Assembling Robots.

Aubery Marchel Tientcheu Ngouabeu, Shuhei Miyashita, Rudolf M. Füchslin, Kohei Nakajima, Maurice Göldi, Rolf Pfeifer

Proceedings of the Twelfth International Conference on the Synthesis and Simulation of Living Systems, 2010

2009

Embodiment of the Game of Life.

Kohei Nakajima, Taichi Haruna

Proceedings of the Advances in Artificial Life. Darwin Meets von Neumann, 2009

2008

Considering the reconfiguration process of subjective temporal order by using recurrent neural networks.

Kohei Nakajima, Takashi Ikegami

Proceedings of the Eleventh International Conference on the Synthesis and Simulation of Living Systems, 2008

Interoperation between Atomic Energy Grid Infrastructure (AEGIS) and Other Grids.

Yoshio Suzuki, Noriyuki Kushida, Naoya Teshima, Kohei Nakajima, Akemi Nishida, Norihiro Nakajima

Proceedings of the High Performance Computing on Vector Systems 2008, 2008

2007

Formal Model of Embodiment on Abstract Systems: From Hierarchy to Heterarchy.

Kohei Nakajima, Soya Shinkai, Takashi Ikegami

Proceedings of the Advances in Artificial Life, 9th European Conference, 2007

The Construction of Observational Heterarchy on One-Dimensional Map System.

Kohei Nakajima, Soya Shinkai

Proceedings of the International Conference on Bioinformatics & Computational Biology, 2007