Ryu Takeda

Masahito Togami, Yohei Kawaguchi, Ryu Takeda, Yasunari Obuchi, Nobuo Nukaga: Optimized Speech Dereverberation From Probabilistic Perspective for Time Varying Acoustic Transfer Function. IEEE Transactions on Audio, Speech & Language Processing 21(7): 1369-1380 (2013)

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 Computation 24(1): 234-272 (2012)

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: 4057-4060

Naoyuki Kanda, Ryu Takeda, Yasunari Obuchi: Using rhythmic features for Japanese spoken term detection. SLT 2012: 170-175

Yasunari Obuchi, Ryu Takeda, Masahito Togami: Bidirectional OM-LSA speech estimator for noise robust speech recognition. ASRU 2011: 173-178

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: 2130-2137

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: 4366-4371

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: 3050-3053

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: 1949-1956

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: 250-255

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: 3677-3680

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: 2277-2282

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: 79-84

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: 1538-1543

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: 1718-1723

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: 2459-2464

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: 199-204

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: 384-394

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: 1757-1762

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: 207-217

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: 878-885

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: 484-494