Takuma Otsuka

Publication Activity (10 Years)

Years Active: 2009-2020
Publications (10 Years): 10

Top Topics

Blind Source Separation

Speech Recognition

Factor Analysis

Bayesian Nonparametric

Top Venues

EURASIP J. Audio Speech Music. Process.

IEEE ACM Trans. Audio Speech Lang. Process.

Publications

Soma Yokoi, Takuma Otsuka, Issei Sato
Weak approximation of transformed stochastic gradient MCMC. Mach. Learn. 109 (9-10) (2020)
Tomoharu Iwata, Takuma Otsuka
Efficient Transfer Bayesian Optimization with Auxiliary Information. CoRR (2019)
Takuma Otsuka, Hitoshi Shimizu, Tomoharu Iwata, Futoshi Naya, Hiroshi Sawada, Naonori Ueda
Bayesian Optimization for Crowd Traffic Control Using Multi-Agent Simulation. ITSC (2019)
Soma Yokoi, Takuma Otsuka, Issei Sato
On Transformations in Stochastic Gradient MCMC. CoRR (2019)
Yoshinari Shirai, Yasue Kishino, Shin Mizutani, Yutaka Yanagisawa, Takayuki Suyama, Takuma Otsuka, Tadao Kitagawa, Futoshi Naya
Incremental Environmental Monitoring for Revealing the Ecology of Endangered Fish. IEICE Trans. Commun. (10) (2018)
Tomoharu Iwata, Takuma Otsuka, Hitoshi Shimizu, Hiroshi Sawada, Futoshi Naya, Naonori Ueda
Finding Appropriate Traffic Regulations via Graph Convolutional Networks. CoRR (2018)
Mathieu Blondel, Vlad Niculae, Takuma Otsuka, Naonori Ueda
Multi-output Polynomial Networks and Factorization Machines. CoRR (2017)
Mathieu Blondel, Vlad Niculae, Takuma Otsuka, Naonori Ueda
Multi-output Polynomial Networks and Factorization Machines. NIPS (2017)
Ikkyu Aihara, Ryu Takeda, Takeshi Mizumoto, Takuma Otsuka, Hiroshi G. Okuno
Size Effect on Call Properties of Japanese Tree Frogs Revealed by Audio-Processing Technique. J. Robotics Mechatronics 29 (1) (2017)
Takeshi Mizumoto, Ikkyu Aihara, Takuma Otsuka, Hiromitsu Awano, Hiroshi G. Okuno
Swarm of Sound-to-Light Conversion Devices to Monitor Acoustic Communication Among Small Nocturnal Animals. J. Robotics Mechatronics 29 (1) (2017)
Yoshiaki Bando, Takuma Otsuka, Takeshi Mizumoto, Katsutoshi Itoyama, Masashi Konyo, Satoshi Tadokoro, Kazuhiro Nakadai, Hiroshi G. Okuno
Posture estimation of hose-shaped robot by using active microphone array. Adv. Robotics 29 (1) (2015)
Shotaro Sano, Takuma Otsuka, Katsutoshi Itoyama, Hiroshi G. Okuno
HMM-based Attacks on Google's ReCAPTCHA with Continuous Visual and Audio Symbols. J. Inf. Process. 23 (6) (2015)
Yoshiaki Bando, Takuma Otsuka, Ikkyu Aihara, Hiromitsu Awano, Katsutoshi Itoyama, Kazuyoshi Yoshii, Hiroshi Gitchang Okuno
Recognition of In-Field Frog Chorusing Using Bayesian Nonparametric Microphone Array Processing. AAAI Workshop: Computational Sustainability (2015)
Yoshiaki Bando, Takuma Otsuka, Katsutoshi Itoyama, Kazuyoshi Yoshii, Yoko Sasaki, Satoshi Kagami, Hiroshi G. Okuno
Challenges in deploying a microphone array to localize and separate sound sources in real auditory scenes. ICASSP (2015)
Takuma Otsuka, Katsuhiko Ishiguro, Takuya Yoshioka, Hiroshi Sawada, Hiroshi G. Okuno
Multichannel sound source dereverberation and separation for arbitrary number of sources based on Bayesian nonparametrics. IEEE ACM Trans. Audio Speech Lang. Process. 22 (12) (2014)
Takahiro Iyama, Osamu Sugiyama, Takuma Otsuka, Katsutoshi Itoyama, Hiroshi G. Okuno
Visualization of auditory awareness based on sound source positions estimated by depth sensor and microphone array. IROS (2014)
Takuma Otsuka, Katsuhiko Ishiguro, Hiroshi Sawada, Hiroshi G. Okuno
Bayesian Nonparametrics for Microphone Array Processing. IEEE ACM Trans. Audio Speech Lang. Process. 22 (2) (2014)
Koutarou Furukawa, Keita Okutani, Kohei Nagira, Takuma Otsuka, Katsutoshi Itoyama, Kazuhiro Nakadai, Hiroshi G. Okuno
Noise correlation matrix estimation for improving sound source localization by multirotor UAV. IROS (2013)
Kohei Nagira, Takuma Otsuka, Hiroshi G. Okuno
Nonparametric Bayesian sparse factor analysis for frequency domain blind source separation without permutation ambiguity. EURASIP J. Audio Speech Music. Process. 2013 (2013)
Daichi Sakaue, Takuma Otsuka, Katsutoshi Itoyama, Hiroshi G. Okuno
Initialization-robust Bayesian multipitch analyzer based on psychoacoustical and musical criteria. ICASSP (2013)
Shotaro Sano, Takuma Otsuka, Hiroshi G. Okuno
Solving Google's Continuous Audio CAPTCHA with HMM-Based Automatic Speech Recognition. IWSEC (2013)
Takuma Otsuka, Katsuhiko Ishiguro, Hiroshi Sawada, Hiroshi G. Okuno
Unified auditory functions based on Bayesian topic model. IROS (2012)
Daichi Sakaue, Takuma Otsuka, Katsutoshi Itoyama, Hiroshi G. Okuno
Bayesian Nonnegative Harmonic-Temporal Factorization and Its Application to Multipitch Analysis. ISMIR (2012)
Tatsuhiko Itohara, Takuma Otsuka, Takeshi Mizumoto, Angelica Lim, Tetsuya Ogata, Hiroshi G. Okuno
A multimodal tempo and beat-tracking system based on audiovisual information from live guitar performances. EURASIP J. Audio Speech Music. Process. 2012 (2012)
Takuma Otsuka, Katsuhiko Ishiguro, Hiroshi Sawada, Hiroshi G. Okuno
Bayesian Unification of Sound Source Localization and Separation with Permutation Resolution. AAAI (2012)
Kohei Nagira, Takuma Otsuka, Hiroshi G. Okuno
Infinite Sparse Factor Analysis for Blind Source Separation in Reverberant Environments. SSPR/SPR (2012)
Takuma Otsuka, Kazuhiro Nakadai, Tetsuya Ogata, Hiroshi G. Okuno
Incremental Bayesian Audio-to-Score Alignment with Flexible Harmonic Structure Models. ISMIR (2011)
Takuma Otsuka, Kazuhiro Nakadai, Tetsuya Ogata, Hiroshi G. Okuno
Bayesian Extension of MUSIC for Sound Source Localization and Tracking. INTERSPEECH (2011)
Takuma Otsuka, Kazuhiro Nakadai, Toru Takahashi, Tetsuya Ogata, Hiroshi G. Okuno
Real-Time Audio-to-Score Alignment Using Particle Filter for Coplayer Music Robots. EURASIP J. Adv. Signal Process. 2011 (2011)
Takeshi Mizumoto, Kazuhiro Nakadai, Takami Yoshida, Ryu Takeda, Takuma Otsuka, Toru Takahashi, Hiroshi G. Okuno
Design and implementation of selectable sound separation on the Texai telepresence system using HARK. ICRA (2011)
Tatsuhiko Itohara, Takuma Otsuka, Takeshi Mizumoto, Tetsuya Ogata, Hiroshi G. Okuno
Particle-filter based audio-visual beat-tracking for music robot ensemble with human guitarist. IROS (2011)
Angelica Lim, Takeshi Mizumoto, Louis-Kenzo Cahier, Takuma Otsuka, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno
Robot musical accompaniment: integrating audio and visual cues for real-time synchronization with a human flutist. IROS (2010)
Takuma Otsuka, Kazuhiro Nakadai, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno
Design and Implementation of Two-level Synchronization for Interactive Music Robot. AAAI (2010)
Takuma Otsuka, Takeshi Mizumoto, Kazuhiro Nakadai, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno
Music-Ensemble Robot That Is Capable of Playing the Theremin While Listening to the Accompanied Music. IEA/AIE (1) (2010)
Takeshi Mizumoto, Takuma Otsuka, Kazuhiro Nakadai, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno
Human-robot ensemble between robot thereminist and human percussionist using coupled oscillator model. IROS (2010)
Takuma Otsuka, Kazuhiro Nakadai, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno
Voice-awareness control for a humanoid robot consistent with its body posture and movements. Paladyn J. Behav. Robotics 1 (1) (2010)
Takuma Otsuka, Kazuhiro Nakadai, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno
Voice quality manipulation for humanoid robots consistent with their head movements. Humanoids (2009)
Takuma Otsuka, Toru Takahashi, Hiroshi G. Okuno, Kazunori Komatani, Tetsuya Ogata, Kazumasa Murata, Kazuhiro Nakadai
Incremental polyphonic audio to score alignment using beat tracking for singer robots. IROS (2009)