Takuma Otsuka

According to our database, Takuma Otsuka authored at least 39 papers between 2009 and 2024.

Collaborative distances:

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

2024

Er-doped rare earth oxides for optical quantum memory on Si substrate.

Tomohiro Inaba, Xuejun Xu, Yuki Wakabayashi, Takuma Otsuka, Takehiko Tawara, Hiroo Omi, Hideki Yamamoto, Katsuya Oguri, Haruki Sanada

Proceedings of the 24th International Conference on Transparent Optical Networks, 2024

2020

Weak approximation of transformed stochastic gradient MCMC.

Soma Yokoi, Takuma Otsuka, Issei Sato

Mach. Learn., 2020

2019

Efficient Transfer Bayesian Optimization with Auxiliary Information.

Tomoharu Iwata, Takuma Otsuka

CoRR, 2019

On Transformations in Stochastic Gradient MCMC.

Soma Yokoi, Takuma Otsuka, Issei Sato

CoRR, 2019

Bayesian Optimization for Crowd Traffic Control Using Multi-Agent Simulation.

Takuma Otsuka, Hitoshi Shimizu, Tomoharu Iwata, Futoshi Naya, Hiroshi Sawada, Naonori Ueda

Proceedings of the 2019 IEEE Intelligent Transportation Systems Conference, 2019

2018

Incremental Environmental Monitoring for Revealing the Ecology of Endangered Fish.

Yoshinari Shirai, Yasue Kishino, Shin Mizutani, Yutaka Yanagisawa, Takayuki Suyama, Takuma Otsuka, Tadao Kitagawa, Futoshi Naya

IEICE Trans. Commun., 2018

Finding Appropriate Traffic Regulations via Graph Convolutional Networks.

Tomoharu Iwata, Takuma Otsuka, Hitoshi Shimizu, Hiroshi Sawada, Futoshi Naya, Naonori Ueda

CoRR, 2018

2017

Swarm of Sound-to-Light Conversion Devices to Monitor Acoustic Communication Among Small Nocturnal Animals.

Takeshi Mizumoto, Ikkyu Aihara, Takuma Otsuka, Hiromitsu Awano, Hiroshi G. Okuno

J. Robotics Mechatronics, 2017

Size Effect on Call Properties of Japanese Tree Frogs Revealed by Audio-Processing Technique.

Ikkyu Aihara, Ryu Takeda, Takeshi Mizumoto, Takuma Otsuka, Hiroshi G. Okuno

J. Robotics Mechatronics, 2017

Multi-output Polynomial Networks and Factorization Machines.

Mathieu Blondel, Vlad Niculae, Takuma Otsuka, Naonori Ueda

Proceedings of the Advances in Neural Information Processing Systems 30: Annual Conference on Neural Information Processing Systems 2017, 2017

2015

HMM-based Attacks on Google's ReCAPTCHA with Continuous Visual and Audio Symbols.

Shotaro Sano, Takuma Otsuka, Katsutoshi Itoyama, Hiroshi G. Okuno

J. Inf. Process., 2015

Posture estimation of hose-shaped robot by using active microphone array.

Yoshiaki Bando, Takuma Otsuka, Takeshi Mizumoto, Katsutoshi Itoyama, Masashi Konyo, Satoshi Tadokoro, Kazuhiro Nakadai, Hiroshi G. Okuno

Adv. Robotics, 2015

Challenges in deploying a microphone array to localize and separate sound sources in real auditory scenes.

Yoshiaki Bando, Takuma Otsuka, Katsutoshi Itoyama, Kazuyoshi Yoshii, Yoko Sasaki, Satoshi Kagami, Hiroshi G. Okuno

Proceedings of the 2015 IEEE International Conference on Acoustics, 2015

Recognition of In-Field Frog Chorusing Using Bayesian Nonparametric Microphone Array Processing.

Yoshiaki Bando, Takuma Otsuka, Ikkyu Aihara, Hiromitsu Awano, Katsutoshi Itoyama, Kazuyoshi Yoshii, Hiroshi Gitchang Okuno

Proceedings of the Computational Sustainability, 2015

2014

Bayesian Microphone Array Processing.

Takuma Otsuka

PhD thesis, 2014

Multichannel sound source dereverberation and separation for arbitrary number of sources based on Bayesian nonparametrics.

Takuma Otsuka, Katsuhiko Ishiguro, Takuya Yoshioka, Hiroshi Sawada, Hiroshi G. Okuno

IEEE ACM Trans. Audio Speech Lang. Process., 2014

Bayesian Nonparametrics for Microphone Array Processing.

Takuma Otsuka, Katsuhiko Ishiguro, Hiroshi Sawada, Hiroshi G. Okuno

IEEE ACM Trans. Audio Speech Lang. Process., 2014

Visualization of auditory awareness based on sound source positions estimated by depth sensor and microphone array.

Takahiro Iyama, Osamu Sugiyama, Takuma Otsuka, Katsutoshi Itoyama, Hiroshi G. Okuno

Proceedings of the 2014 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2014

2013

Nonparametric Bayesian sparse factor analysis for frequency domain blind source separation without permutation ambiguity.

Kohei Nagira, Takuma Otsuka, Hiroshi G. Okuno

EURASIP J. Audio Speech Music. Process., 2013

Solving Google's Continuous Audio CAPTCHA with HMM-Based Automatic Speech Recognition.

Shotaro Sano, Takuma Otsuka, Hiroshi G. Okuno

Proceedings of the Advances in Information and Computer Security, 2013

Noise correlation matrix estimation for improving sound source localization by multirotor UAV.

Koutarou Furukawa, Keita Okutani, Kohei Nagira, Takuma Otsuka, Katsutoshi Itoyama, Kazuhiro Nakadai, Hiroshi G. Okuno

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

Initialization-robust Bayesian multipitch analyzer based on psychoacoustical and musical criteria.

Daichi Sakaue, Takuma Otsuka, Katsutoshi Itoyama, Hiroshi G. Okuno

Proceedings of the IEEE International Conference on Acoustics, 2013

2012

A multimodal tempo and beat-tracking system based on audiovisual information from live guitar performances.

Tatsuhiko Itohara, Takuma Otsuka, Takeshi Mizumoto, Angelica Lim, Tetsuya Ogata, Hiroshi G. Okuno

EURASIP J. Audio Speech Music. Process., 2012

Infinite Sparse Factor Analysis for Blind Source Separation in Reverberant Environments.

Kohei Nagira, Takuma Otsuka, Hiroshi G. Okuno

Proceedings of the Structural, Syntactic, and Statistical Pattern Recognition, 2012

Bayesian Nonnegative Harmonic-Temporal Factorization and Its Application to Multipitch Analysis.

Daichi Sakaue, Takuma Otsuka, Katsutoshi Itoyama, Hiroshi G. Okuno

Proceedings of the 13th International Society for Music Information Retrieval Conference, 2012

Unified auditory functions based on Bayesian topic model.

Takuma Otsuka, Katsuhiko Ishiguro, Hiroshi Sawada, Hiroshi G. Okuno

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

Bayesian Unification of Sound Source Localization and Separation with Permutation Resolution.

Takuma Otsuka, Katsuhiko Ishiguro, Hiroshi Sawada, Hiroshi G. Okuno

Proceedings of the Twenty-Sixth AAAI Conference on Artificial Intelligence, 2012

2011

Real-Time Audio-to-Score Alignment Using Particle Filter for Coplayer Music Robots.

Takuma Otsuka, Kazuhiro Nakadai, Toru Takahashi, Tetsuya Ogata, Hiroshi G. Okuno

EURASIP J. Adv. Signal Process., 2011

Incremental Bayesian Audio-to-Score Alignment with Flexible Harmonic Structure Models.

Takuma Otsuka, Kazuhiro Nakadai, Tetsuya Ogata, Hiroshi G. Okuno

Proceedings of the 12th International Society for Music Information Retrieval Conference, 2011

Particle-filter based audio-visual beat-tracking for music robot ensemble with human guitarist.

Tatsuhiko Itohara, Takuma Otsuka, Takeshi Mizumoto, Tetsuya Ogata, Hiroshi G. Okuno

Proceedings of the 2011 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2011

Bayesian Extension of MUSIC for Sound Source Localization and Tracking.

Takuma Otsuka, Kazuhiro Nakadai, Tetsuya Ogata, Hiroshi G. Okuno

Proceedings of the 12th Annual Conference of the International Speech Communication Association, 2011

Design and implementation of selectable sound separation on the Texai telepresence system using HARK.

Takeshi Mizumoto, Kazuhiro Nakadai, Takami Yoshida, Ryu Takeda, Takuma Otsuka, Toru Takahashi, Hiroshi G. Okuno

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

2010

Voice-awareness control for a humanoid robot consistent with its body posture and movements.

Takuma Otsuka, Kazuhiro Nakadai, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

Paladyn J. Behav. Robotics, 2010

Human-robot ensemble between robot thereminist and human percussionist using coupled oscillator model.

Takeshi Mizumoto, Takuma Otsuka, Kazuhiro Nakadai, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

Proceedings of the 2010 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2010

Robot musical accompaniment: integrating audio and visual cues for real-time synchronization with a human flutist.

Angelica Lim, Takeshi Mizumoto, Louis-Kenzo Cahier, Takuma Otsuka, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

Proceedings of the 2010 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2010

Music-Ensemble Robot That Is Capable of Playing the Theremin While Listening to the Accompanied Music.

Takuma Otsuka, Takeshi Mizumoto, Kazuhiro Nakadai, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

Proceedings of the Trends in Applied Intelligent Systems, 2010

Design and Implementation of Two-level Synchronization for Interactive Music Robot.

Takuma Otsuka, Kazuhiro Nakadai, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

Proceedings of the Twenty-Fourth AAAI Conference on Artificial Intelligence, 2010

2009

Incremental polyphonic audio to score alignment using beat tracking for singer robots.

Takuma Otsuka, Toru Takahashi, Hiroshi G. Okuno, Kazunori Komatani, Tetsuya Ogata, Kazumasa Murata, Kazuhiro Nakadai

Proceedings of the 2009 IEEE/RSJ International Conference on Intelligent Robots and Systems, 2009

Voice quality manipulation for humanoid robots consistent with their head movements.

Takuma Otsuka, Kazuhiro Nakadai, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno

Proceedings of the 9th IEEE-RAS International Conference on Humanoid Robots, 2009