Ryu Takeda

发表

Unsupervised Segmentation of Phoneme Sequences based on Pitman-Yor Semi-Markov Model using Phoneme Length Context

Kazunori Komatani, Ryu Takeda, 2017, IJCNLP.

Performance comparison of MUSIC-based sound localization methods on small humanoid under low SNR conditions

Kazunori Komatani, Ryu Takeda, 2015, 2015 IEEE-RAS 15th International Conference on Humanoid Robots (Humanoids).

A Unified Framework of Blind Separation, Blind Dereverberation and Self-voice Cancellation for Real-Time Robot Audition

Ryu Takeda, 2011 .

Lexical Acquisition through Implicit Confirmations over Multiple Dialogues

Eric Nichols, Mikio Nakano, Kazunori Komatani, 2017, SIGDIAL Conference.

Noise robust speaker verification with delta cepstrum normalization

Naoyuki Kanda, Yasunari Obuchi, Ryu Takeda, 2013, INTERSPEECH.

Musical Beat-Tracking for Robots and Its Application to A Music Robot

Hiroshi G. Okuno, Kazuhiro Nakadai, Yuji Hasegawa, 2011 .

Optimized Speech Dereverberation From Probabilistic Perspective for Time Varying Acoustic Transfer Function

Masahito Togami, Yohei Kawaguchi, Yasunari Obuchi, 2013, IEEE Transactions on Audio, Speech, and Language Processing.

Recognition of simultaneous speech by estimating reliability of separated signals for robot audition

Hiroshi G. Okuno, Mikio Nakano, Kazuhiro Nakadai, 2006 .

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

Hiroshi G. Okuno, Kazuhiro Nakadai, Takuma Otsuka, 2011, 2011 IEEE International Conference on Robotics and Automation.

Efficient Blind Dereverberation and Echo Cancellation Based on Independent Component Analysis for Actual Acoustic Signals

Tetsuya Ogata, Hiroshi G. Okuno, Kazuhiro Nakadai, 2012, Neural Computation.

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

Hiroshi G. Okuno, Takuma Otsuka, Ikkyu Aihara, 2017, J. Robotics Mechatronics.

Improving speech recognition of two simultaneous speech signals by integrating ICA BSS and automatic missing feature mask generation

Tetsuya Ogata, Hiroshi G. Okuno, Kazunori Komatani, 2006, INTERSPEECH.

Exploiting known sound source signals to improve ICA-based robot audition in speech separation and recognition

Tetsuya Ogata, Hiroshi G. Okuno, Kazuhiro Nakadai, 2007, 2007 IEEE/RSJ International Conference on Intelligent Robots and Systems.

Proposal of Implicit Confirmation toward Lexical Acquisition during Dialogues

Eric Nichols, Mikio Nakano, Kazunori Komatani, 2018 .

Evaluation of Two Simultaneous Continuous Speech Recognition with ICA BSS and MFT-Based ASR

Tetsuya Ogata, Hiroshi G. Okuno, Kazunori Komatani, 2007, IEA/AIE.

Leak energy based missing feature mask generation for ICA and GSS and its evaluation with simultaneous speech recognition

Tetsuya Ogata, Hiroshi G. Okuno, Mikio Nakano, 2006, SAPA@INTERSPEECH.

Analyzing user utterances in barge-in-able spoken dialogue system for improving identification accuracy

Tetsuya Ogata, Hiroshi G. Okuno, Kazunori Komatani, 2010, INTERSPEECH.

Using rhythmic features for Japanese spoken term detection

Naoyuki Kanda, Yasunari Obuchi, Ryu Takeda, 2012, 2012 IEEE Spoken Language Technology Workshop (SLT).

Evaluation of Spoken Dialogue System that uses Utterance Timing to Interpret User Utterances

Hiroshi G. Okuno, Tetsuya Ogata, Kazunori Komatani, 2011, IWSDS.

Robot Audition using an Adaptive Filter Based on Independent Component Analysis

Hiroshi G. Okuno, Kazuhiro Nakadai, Tetsuya Ogata, 2008 .

A robot listens to music and counts its beats aloud by separating music from counting voice

Tetsuya Ogata, Kazuyoshi Yoshii, Hiroshi G. Okuno, 2008, 2008 IEEE/RSJ International Conference on Intelligent Robots and Systems.

Word Segmentation From Phoneme Sequences Based On Pitman-Yor Semi-Markov Model Exploiting Subword Information

Alexander I. Rudnicky, Kazunori Komatani, Ryu Takeda, 2018, 2018 IEEE Spoken Language Technology Workshop (SLT).

A robot uses its own microphone to synchronize its steps to musical beats while scatting and singing

Kazuyoshi Yoshii, Hiroshi G. Okuno, Kazuhiro Nakadai, 2008, 2008 IEEE/RSJ International Conference on Intelligent Robots and Systems.

Bidirectional OM-LSA speech estimator for noise robust speech recognition

Masahito Togami, Yasunari Obuchi, Ryu Takeda, 2011, 2011 IEEE Workshop on Automatic Speech Recognition & Understanding.

Frame-Wise Online Unsupervised Adaptation of DNN-HMM Acoustic Model from Perspective of Robust Adaptive Filtering

Kazunori Komatani, Ryu Takeda, Kazunori Komatani, 2020, INTERSPEECH.

Sound source localization based on deep neural networks with directional activate function exploiting phase information

Kazunori Komatani, Ryu Takeda, Kazunori Komatani, 2016, 2016 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP).

Multi-timescale Feature-extraction Architecture of Deep Neural Networks for Acoustic Model Training from Raw Speech Signal

Kazuhiro Nakadai, Kazunori Komatani, Ryu Takeda, 2018, 2018 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS).

Genetic Algorithm-Based Improvement of Robot Hearing Capabilities in Separating and Recognizing Simultaneous Speech Signals

Tetsuya Ogata, Hiroshi G. Okuno, Mikio Nakano, 2006, IEA/AIE.

Node Pruning Based on Entropy of Weights and Node Activity for Small-Footprint Acoustic Model Based on Deep Neural Networks

Kazuhiro Nakadai, Kazunori Komatani, Ryu Takeda, 2017, INTERSPEECH.

Boundary contraction training for acoustic models based on discrete deep neural networks

Naoyuki Kanda, Ryu Takeda, Nobuo Nukaga, 2014, INTERSPEECH.

Unsupervised adaptation of deep neural networks for sound source localization using entropy minimization

Kazunori Komatani, Ryu Takeda, 2017, 2017 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP).

Missing-Feature based Speech Recognition for Two Simultaneous Speech Signals Separated by ICA with a pair of Humanoid Ears

Tetsuya Ogata, Hiroshi G. Okuno, Kazunori Komatani, 2006, 2006 IEEE/RSJ International Conference on Intelligent Robots and Systems.

Step-size parameter adaptation of multi-channel semi-blind ICA with piecewise linear model for barge-in-able robot audition

Tetsuya Ogata, Hiroshi G. Okuno, Kazuhiro Nakadai, 2009, 2009 IEEE/RSJ International Conference on Intelligent Robots and Systems.

Barge-in-able robot audition based on ICA and missing feature theory under semi-blind situation

Tetsuya Ogata, Hiroshi G. Okuno, Kazuhiro Nakadai, 2008, 2008 IEEE/RSJ International Conference on Intelligent Robots and Systems.

Acoustic model training based on node-wise weight boundary model for fast and small-footprint deep neural networks

Kazuhiro Nakadai, Kazunori Komatani, Ryu Takeda, 2017, Comput. Speech Lang..

Recognition of Simultaneous Speech by Estimating Reliability of Separated Signals for Robot Audition

Tetsuya Ogata, Hiroshi G. Okuno, Mikio Nakano, 2006, PRICAI.

ICA-based efficient blind dereverberation and echo cancellation method for barge-in-able robot audition

Tetsuya Ogata, Hiroshi G. Okuno, Kazuhiro Nakadai, 2009, 2009 IEEE International Conference on Acoustics, Speech and Signal Processing.

Noise suppression method for preprocessor of time-lag speech recognition system based on bidirectional optimally modified log spectral amplitude estimation

Masahito Togami, Yasunari Obuchi, Ryu Takeda, 2013 .

Bayesian Language Model based on Mixture of Segmental Contexts for Spontaneous Utterances with Unexpected Words

Kazunori Komatani, Ryu Takeda, 2016, COLING.

Automatic estimation of reverberation time with robot speech to improve ICA-based robot audition

Tetsuya Ogata, Hiroshi G. Okuno, Kazuhiro Nakadai, 2009, 2009 9th IEEE-RAS International Conference on Humanoid Robots.

Robot Audition based on Multiple-Input Independent Component Analysis for Recognizing Barge-In Speech under Reverberation

Tetsuya Ogata, Kazuhiro Nakadai, Kazunori Komatani, 2011 .

Elastic spectral distortion for low resource speech recognition with deep neural networks

Naoyuki Kanda, Yasunari Obuchi, Ryu Takeda, 2013, 2013 IEEE Workshop on Automatic Speech Recognition and Understanding.

Speedup and performance improvement of ICA-based robot audition by parallel and resampling-based block-wise processing

Tetsuya Ogata, Hiroshi G. Okuno, Kazuhiro Nakadai, 2010, 2010 IEEE/RSJ International Conference on Intelligent Robots and Systems.

A Robot Singer with Music Recognition Based on Real-Time Beat Tracking

Kazuyoshi Yoshii, Hiroshi G. Okuno, Kazuhiro Nakadai, 2008, ISMIR.

Acoustic model training based on node-wise weight boundary model increasing speed of discrete neural networks

Kazuhiro Nakadai, Kazunori Komatani, Ryu Takeda, 2015, 2015 IEEE Workshop on Automatic Speech Recognition and Understanding (ASRU).

Discriminative multiple sound source localization based on deep neural networks using independent location model

Kazunori Komatani, Ryu Takeda, Kazunori Komatani, 2016, 2016 IEEE Spoken Language Technology Workshop (SLT).

Noise-Robust MUSIC-Based Sound Source Localization Using Steering Vector Transformation for Small Humanoids

Kazunori Komatani, Ryu Takeda, 2017, J. Robotics Mechatronics.

Unsupervised Adaptation of Neural Networks for Discriminative Sound Source Localization with Eliminative Constraint

Yoshifumi Kitamura, Kazuki Takashima, Kazunori Komatani, 2018, 2018 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP).

Voice activity detection based on augmented statistical noise suppression

Naoyuki Kanda, Yasunari Obuchi, Ryu Takeda, 2012, Proceedings of The 2012 Asia Pacific Signal and Information Processing Association Annual Summit and Conference.

A beat-tracking robot for human-robot interaction and its evaluation

Hiroshi G. Okuno, Yuji Hasegawa, Hiroshi Tsujino, 2008, Humanoids 2008 - 8th IEEE-RAS International Conference on Humanoid Robots.

Toward Lexical Acquisition during Dialogues through Implicit Confirmation for Closed-Domain Chatbots

Eric Nichols, Mikio Nakano, Kazunori Komatani, 2016 .

Complex and transitive synchronization in a frustrated system of calling frogs.

Kazuyuki Aihara, Takuma Otsuka, Toru Takahashi, 2011, Physical review. E, Statistical, nonlinear, and soft matter physics.

Upper-limit evaluation of robot audition based on ICA-BSS in multi-source, barge-in and highly reverberant conditions

Tetsuya Ogata, Hiroshi G. Okuno, Kazuhiro Nakadai, 2010, 2010 IEEE International Conference on Robotics and Automation.

Multichannel speech dereverberation and separation with optimized combination of linear and non-linear filtering

Masahito Togami, Yohei Kawaguchi, Yasunari Obuchi, 2012, 2012 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP).

Investigation of Node Pruning Criteria for Neural Networks Model Compression with Non-Linear Function and Non-Uniform Network Topology

Kazuhiro Nakadai, Ryu Takeda, Yosuke Fukumoto, 2021, 2021 IEEE Spoken Language Technology Workshop (SLT).

Age Estimation with Speech-Age Model for Heterogeneous Speech Datasets

Ryu Takeda, Kazunori Komatani, Ryu Takeda, 2021, Interspeech.

Sound imaging of nocturnal animal calls in their natural habitat

Kazuyuki Aihara, Takuma Otsuka, Hiroshi G. Okuno, 2011, Journal of Comparative Physiology A.