Ryu Takeda

Publication Activity (10 Years)

Years Active: 2006-2024
Publications (10 Years): 30

Top Topics

Unsupervised Segmentation

Entropy Minimization

Top Venues

Publications

Shun Katada, Ryu Takeda, Kazunori Komatani
Collecting Human-Agent Dialogue Dataset with Frontal Brain Signal toward Capturing Unexpressed Sentiment. LREC/COLING (2024)
Miki Oshio, Hokuto Munakata, Ryu Takeda, Kazunori Komatani
Out-of-Vocabulary Word Detection in Spoken Dialogues Based on Joint Decoding with User Response Patterns. APSIPA ASC (2023)
Kazunori Komatani, Ryu Takeda, Shogo Okada
Analyzing Differences in Subjective Annotations by Participants and Third-party Annotators in Multimodal Dialogue Corpus. SIGDIAL (2023)
Ryu Takeda, Yui Sudo, Kazunori Komatani
Flexible Evidence Model to Reduce Uncertainty Mismatch Between Speech Enhancement and ASR Based on Encoder-Decoder Architecture. APSIPA ASC (2023)
Zhi Li, Ryu Takeda, Takahiro Hara
Meta-domain Adversarial Contrastive Learning for Alleviating Individual Bias in Self-sentiment Predictions. INTERSPEECH (2023)
Hokuto Munakata, Ryu Takeda, Kazunori Komatani
Recursive Sound Source Separation with Deep Learning-based Beamforming for Unknown Number of Sources. INTERSPEECH (2023)
Hokuto Munakata, Yoshiaki Bando, Ryu Takeda, Kazunori Komatani, Masaki Onishi
Joint Separation and Localization of Moving Sound Sources Based on Neural Full-Rank Spatial Covariance Analysis. IEEE Signal Process. Lett. 30 (2023)
Kazunori Komatani, Kohei Ono, Ryu Takeda, Eric Nichols, Mikio Nakano
Lexical Acquisition during Dialogues through Implicit Confirmation. Dialogue Discourse 13 (1) (2022)
Hokuto Munakata, Ryu Takeda, Kazunori Komatani
Training Data Generation with DOA-based Selecting and Remixing for Unsupervised Training of Deep Separation Models. INTERSPEECH (2022)
Ryu Takeda, Yui Sudo, Kazuhiro Nakadai, Kazunori Komatani
Empirical Sampling from Latent Utterance-wise Evidence Model for Missing Data ASR based on Neural Encoder-Decoder Model. INTERSPEECH (2022)
Shuichi Chikatsuji, Kenta Yamamoto, Ryu Takeda, Kazunori Komatani
Knowledge Graph Augmentation with Entity Identification for Improving Knowledge Graph Completion Performance. PRICAI (1) (2022)
Kazuhiro Nakadai, Yosuke Fukumoto, Ryu Takeda
Investigation of Node Pruning Criteria for Neural Networks Model Compression with Non-Linear Function and Non-Uniform Network Topology. SLT (2021)
Kazunori Komatani, Ryu Takeda, Keisuke Nakashima, Mikio Nakano
Design Guidelines for Developing Systems for Dialogue System Competitions. IWSDS (2021)
Ryu Takeda, Kazunori Komatani
Age Estimation with Speech-Age Model for Heterogeneous Speech Datasets. Interspeech (2021)
Hokuto Munakata, Ryu Takeda, Kazunori Komatani
Multiple-Embedding Separation Networks: Sound Class-Specific Feature Extraction for Universal Sound Separation. APSIPA ASC (2021)
Ryu Takeda, Kazuhiro Nakadai, Kazunori Komatani
Spatial Normalization to Reduce Positional Complexity in Direction-aided Supervised Binaural Sound Source Separation. APSIPA ASC (2021)
Ryu Takeda, Kazunori Komatani
Frame-Wise Online Unsupervised Adaptation of DNN-HMM Acoustic Model from Perspective of Robust Adaptive Filtering. INTERSPEECH (2020)
Ryu Takeda, Yoshiki Kudo, Kazuki Takashima, Yoshifumi Kitamura, Kazunori Komatani
Unsupervised Adaptation of Neural Networks for Discriminative Sound Source Localization with Eliminative Constraint. ICASSP (2018)
Ryu Takeda, Kazuhiro Nakadai, Kazunori Komatani
Multi-timescale Feature-extraction Architecture of Deep Neural Networks for Acoustic Model Training from Raw Speech Signal. IROS (2018)
Ryu Takeda, Kazunori Komatani, Alexander I. Rudnicky
Word Segmentation From Phoneme Sequences Based On Pitman-Yor Semi-Markov Model Exploiting Subword Information. SLT (2018)
Ryu Takeda, Kazuhiro Nakadai, Kazunori Komatani
Acoustic model training based on node-wise weight boundary model for fast and small-footprint deep neural networks. Comput. Speech Lang. 46 (2017)
Ryu Takeda, Kazuhiro Nakadai, Kazunori Komatani
Node Pruning Based on Entropy of Weights and Node Activity for Small-Footprint Acoustic Model Based on Deep Neural Networks. INTERSPEECH (2017)
Ryu Takeda, Kazunori Komatani
Unsupervised adaptation of deep neural networks for sound source localization using entropy minimization. ICASSP (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)
Kohei Ono, Ryu Takeda, Eric Nichols, Mikio Nakano, Kazunori Komatani
Lexical Acquisition through Implicit Confirmations over Multiple Dialogues. SIGDIAL Conference (2017)
Ryu Takeda, Kazunori Komatani
Noise-Robust MUSIC-Based Sound Source Localization Using Steering Vector Transformation for Small Humanoids. J. Robotics Mechatronics 29 (1) (2017)
Ryu Takeda, Kazunori Komatani
Unsupervised Segmentation of Phoneme Sequences based on Pitman-Yor Semi-Markov Model using Phoneme Length Context. IJCNLP(1) (2017)
Ryu Takeda, Kazunori Komatani
Bayesian Language Model based on Mixture of Segmental Contexts for Spontaneous Utterances with Unexpected Words. COLING (2016)
Ryu Takeda, Kazunori Komatani
Discriminative multiple sound source localization based on deep neural networks using independent location model. SLT (2016)
Ryu Takeda, Kazunori Komatani
Sound source localization based on deep neural networks with directional activate function exploiting phase information. ICASSP (2016)
Ryu Takeda, Kazunori Komatani, Kazuhiro Nakadai
Acoustic model training based on node-wise weight boundary model increasing speed of discrete neural networks. ASRU (2015)
Ryu Takeda, Kazunori Komatani
Performance comparison of MUSIC-based sound localization methods on small humanoid under low SNR conditions. Humanoids (2015)
Ryu Takeda, Naoyuki Kanda, Nobuo Nukaga
Boundary contraction training for acoustic models based on discrete deep neural networks. INTERSPEECH (2014)
Naoyuki Kanda, Ryu Takeda, Yasunari Obuchi
Noise robust speaker verification with delta cepstrum normalization. INTERSPEECH (2013)
Masahito Togami, Yohei Kawaguchi, Ryu Takeda, Yasunari Obuchi, Nobuo Nukaga
Optimized Speech Dereverberation From Probabilistic Perspective for Time Varying Acoustic Transfer Function. IEEE Trans. Speech Audio Process. 21 (7) (2013)
Naoyuki Kanda, Ryu Takeda, Yasunari Obuchi
Elastic spectral distortion for low resource speech recognition with deep neural networks. ASRU (2013)
Masahito Togami, Yohei Kawaguchi, Ryu Takeda, Yasunari Obuchi, Nobuo Nukaga
Multichannel speech dereverberation and separation with optimized combination of linear and non-linear filtering. ICASSP (2012)
Ryu Takeda, Kazuhiro Nakadai, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno
Efficient Blind Dereverberation and Echo Cancellation Based on Independent Component Analysis for Actual Acoustic Signals. Neural Comput. 24 (1) (2012)
Naoyuki Kanda, Ryu Takeda, Yasunari Obuchi
Using rhythmic features for Japanese spoken term detection. SLT (2012)
Yasunari Obuchi, Ryu Takeda, Naoyuki Kanda
Voice activity detection based on augmented statistical noise suppression. APSIPA (2012)
Kazunori Komatani, Kyoko Matsuyama, Ryu Takeda, Tetsuya Ogata, Hiroshi G. Okuno
Evaluation of Spoken Dialogue System that uses Utterance Timing to Interpret User Utterances. IWSDS (2011)
Yasunari Obuchi, Ryu Takeda, Masahito Togami
Bidirectional OM-LSA speech estimator for noise robust speech recognition. ASRU (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)
Kyoko Matsuyama, Kazunori Komatani, Ryu Takeda, Toru Takahashi, Tetsuya Ogata, Hiroshi G. Okuno
Analyzing user utterances in barge-in-able spoken dialogue system for improving identification accuracy. INTERSPEECH (2010)
Ryu Takeda, Kazuhiro Nakadai, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno
Upper-limit evaluation of robot audition based on ICA-BSS in multi-source, barge-in and highly reverberant conditions. ICRA (2010)
Ryu Takeda, Kazuhiro Nakadai, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno
Speedup and performance improvement of ICA-based robot audition by parallel and resampling-based block-wise processing. IROS (2010)
Ryu Takeda, Kazuhiro Nakadai, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno
ICA-based efficient blind dereverberation and echo cancellation method for barge-in-able robot audition. ICASSP (2009)
Ryu Takeda, Kazuhiro Nakadai, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno
Automatic estimation of reverberation time with robot speech to improve ICA-based robot audition. Humanoids (2009)
Ryu Takeda, Kazuhiro Nakadai, Toru Takahashi, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno
Step-size parameter adaptation of multi-channel semi-blind ICA with piecewise linear model for barge-in-able robot audition. IROS (2009)
Kazumasa Murata, Kazumasa Nakadai, Ryu Takeda, Hiroshi G. Okuno, Toyotaka Torii, Yuji Hasegawa, Hiroshi Tsujino
A beat-tracking robot for human-robot interaction and its evaluation. Humanoids (2008)
Ryu Takeda, Kazuhiro Nakadai, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno
Barge-in-able robot audition based on ICA and missing feature theory under semi-blind situation. IROS (2008)
Takeshi Mizumoto, Ryu Takeda, Kazuyoshi Yoshii, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno
A robot listens to music and counts its beats aloud by separating music from counting voice. IROS (2008)
Kazumasa Murata, Kazuhiro Nakadai, Kazuyoshi Yoshii, Ryu Takeda, Toyotaka Torii, Hiroshi G. Okuno, Yuji Hasegawa, Hiroshi Tsujino
A Robot Singer with Music Recognition Based on Real-Time Beat Tracking. ISMIR (2008)
Kazumasa Murata, Kazuhiro Nakadai, Kazuyoshi Yoshii, Ryu Takeda, Toyotaka Torii, Hiroshi G. Okuno, Yuji Hasegawa, Hiroshi Tsujino
A robot uses its own microphone to synchronize its steps to musical beats while scatting and singing. IROS (2008)
Ryu Takeda, Kazuhiro Nakadai, Kazuhiro Komatani, Tetsuya Ogata, Hiroshi G. Okuno
Exploiting known sound source signals to improve ICA-based robot audition in speech separation and recognition. IROS (2007)
Ryu Takeda, Shun'ichi Yamamoto, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno
Evaluation of Two Simultaneous Continuous Speech Recognition with ICA BSS and MFT-Based ASR. IEA/AIE (2007)
Ryu Takeda, Shun'ichi Yamamoto, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno
Improving speech recognition of two simultaneous speech signals by integrating ICA BSS and automatic missing feature mask generation. INTERSPEECH (2006)
Ryu Takeda, Shun'ichi Yamamoto, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno
Missing-Feature based Speech Recognition for Two Simultaneous Speech Signals Separated by ICA with a pair of Humanoid Ears. IROS (2006)
Shun'ichi Yamamoto, Ryu Takeda, Kazuhiro Nakadai, Mikio Nakano, Hiroshi Tsujino, Jean-Marc Valin, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno
Recognition of Simultaneous Speech by Estimating Reliability of Separated Signals for Robot Audition. PRICAI (2006)
Shun'ichi Yamamoto, Ryu Takeda, Kazuhiro Nakadai, Mikio Nakano, Hiroshi Tsujino, Jean-Marc Valin, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno
Leak energy based missing feature mask generation for ICA and GSS and its evaluation with simultaneous speech recognition. SAPA@INTERSPEECH (2006)
Shun'ichi Yamamoto, Kazuhiro Nakadai, Mikio Nakano, Hiroshi Tsujino, Jean-Marc Valin, Ryu Takeda, Kazunori Komatani, Tetsuya Ogata, Hiroshi G. Okuno
Genetic Algorithm-Based Improvement of Robot Hearing Capabilities in Separating and Recognizing Simultaneous Speech Signals. IEA/AIE (2006)