Estimating Point-of-View-based Similarity Using POV Reinforcement and Similarity Propagation. - Kenji Nagamatsu; Hidehiko Tanaka (PACLIC, 1996)

Unit selection using pitch synchronous cross correlation for Japanese concatenative speech synthesis. - Nobuo Nukaga; Ryota Kamoshida; Kenji Nagamatsu (SSW, 2004)

Scalable Implementation Of Unit Selection Based Text-To-Speech System For Embedded Solutions. - Nobuo Nukaga; Ryota Kamoshida; Kenji Nagamatsu; Yoshinori Kitahara (ICASSP (1), 2006)

A Hybrid Method of Chinese Prosodic Word Tagging Based on Keyword Anchor and Hidden Markov Model. - Quan Zhou; Pan Deng; Hongjian Liu; Defeng Guo; Kenji Nagamatsu (IALP, 2009)

Cascade Chinese Potential Name Recognition. - Hongjian Liu; Defeng Guo; Quan Zhou; Kenji Nagamatsu; Qinghua Sun (IFITA (3), 2009)

A Pre-Identification Method for Chinese Named Entity Recognition. - Hongjian Liu; Defeng Guo; Quan Zhou; Kenji Nagamatsu; Qinghua Sun (J. Softw., 2010)

Cycle time based multi-goal path optimization for redundant robotic systems. - Iacopo Gentilini; Kenji Nagamatsu; Kenji Shimada (IROS, 2013)

Investigation of lattice-free maximum mutual information-based acoustic models with sequence-level Kullback-Leibler divergence. - Naoyuki Kanda; Yusuke Fujita; Kenji Nagamatsu (ASRU, 2017)

Independent vector analysis with frequency range division and prior switching. - Rintaro Ikeshita; Yohei Kawaguchi; Masahito Togami; Yusuke Fujita; Kenji Nagamatsu (EUSIPCO, 2017)

Local Gaussian model with source-set constraints in audio source separation. - Rintaro Ikeshita; Masahito Togami; Yohei Kawaguchi; Yusuke Fujita; Kenji Nagamatsu (MLSP, 2017)

Sequence Distillation for Purely Sequence Trained Acoustic Models. - Naoyuki Kanda; Yusuke Fujita; Kenji Nagamatsu (ICASSP, 2018)

Lattice-free State-level Minimum Bayes Risk Training of Acoustic Models. - Naoyuki Kanda; Yusuke Fujita; Kenji Nagamatsu (INTERSPEECH, 2018)

Fast Multichannel Nonnegative Matrix Factorization with Constraints on Active Source Candidates. - Rintaro Ikeshita; Yohei Kawaguchi; Kenji Nagamatsu (IWAENC, 2018)

Face-Voice Matching using Cross-modal Embeddings. - Shota Horiguchi; Naoyuki Kanda; Kenji Nagamatsu (ACM Multimedia, 2018)

End-to-End Neural Speaker Diarization with Self-Attention. - Yusuke Fujita; Naoyuki Kanda; Shota Horiguchi; Yawen Xue; Kenji Nagamatsu; Shinji Watanabe 001 (ASRU, 2019)

Simultaneous Speech Recognition and Speaker Diarization for Monaural Dialogue Recordings with Target-Speaker Acoustic Models. - Naoyuki Kanda; Shota Horiguchi; Yusuke Fujita; Yawen Xue; Kenji Nagamatsu; Shinji Watanabe 001 (ASRU, 2019)

Acoustic Modeling for Distant Multi-talker Speech Recognition with Single- and Multi-channel Branches. - Naoyuki Kanda; Yusuke Fujita; Shota Horiguchi; Rintaro Ikeshita; Kenji Nagamatsu; Shinji Watanabe 001 (ICASSP, 2019)

End-to-End Neural Speaker Diarization with Permutation-Free Objectives. - Yusuke Fujita; Naoyuki Kanda; Shota Horiguchi; Kenji Nagamatsu; Shinji Watanabe 001 (INTERSPEECH, 2019)

Multimodal Response Obligation Detection with Unsupervised Online Domain Adaptation. - Shota Horiguchi; Naoyuki Kanda; Kenji Nagamatsu (INTERSPEECH, 2019)

Guided Source Separation Meets a Strong ASR Backend: Hitachi/Paderborn University Joint Investigation for Dinner Party ASR. - Naoyuki Kanda; Christoph Böddeker; Jens Heitkaemper; Yusuke Fujita; Shota Horiguchi; Kenji Nagamatsu; Reinhold Haeb-Umbach (INTERSPEECH, 2019)

Auxiliary Interference Speaker Loss for Target-Speaker Speech Recognition. - Naoyuki Kanda; Shota Horiguchi; Ryoichi Takashima; Yusuke Fujita; Kenji Nagamatsu; Shinji Watanabe 001 (INTERSPEECH, 2019)

Addressing Ambiguity of Emotion Labels Through Meta-Learning. - Takuya Fujioka; Dario Bertero; Takeshi Homma; Kenji Nagamatsu (CoRR, 2019)

Anticipating the Start of User Interaction for Service Robot in the Wild. - Koichiro Ito; Quan Kong; Shota Horiguchi; Takashi Sumiyoshi; Kenji Nagamatsu (ICRA, 2020)

Meta-Learning for Speech Emotion Recognition Considering Ambiguity of Emotion Labels. - Takuya Fujioka; Takeshi Homma; Kenji Nagamatsu (INTERSPEECH, 2020)

End-to-End Speaker Diarization for an Unknown Number of Speakers with Encoder-Decoder Based Attractors. - Shota Horiguchi; Yusuke Fujita; Shinji Watanabe 001; Yawen Xue; Kenji Nagamatsu (INTERSPEECH, 2020)

Utterance-Wise Meeting Transcription System Using Asynchronous Distributed Microphones. - Shota Horiguchi; Yusuke Fujita; Kenji Nagamatsu (INTERSPEECH, 2020)

Delay Mitigation for Backchannel Prediction in Spoken Dialog System. - Amalia Istiqlali Adiba; Takeshi Homma; Dario Bertero; Takashi Sumiyoshi; Kenji Nagamatsu (IWSDS, 2020)

End-to-End Neural Diarization: Reformulating Speaker Diarization as Simple Multi-label Classification. - Yusuke Fujita; Shinji Watanabe 001; Shota Horiguchi; Yawen Xue; Kenji Nagamatsu (CoRR, 2020)

Neural Speaker Diarization with Speaker-Wise Chain Rule. - Yusuke Fujita; Shinji Watanabe 001; Shota Horiguchi; Yawen Xue; Jing Shi 003; Kenji Nagamatsu (CoRR, 2020)

Online End-to-End Neural Diarization with Speaker-Tracing Buffer. - Yawen Xue; Shota Horiguchi; Yusuke Fujita; Shinji Watanabe 001; Kenji Nagamatsu (CoRR, 2020)

Building Multi lingual TTS using Cross Lingual Voice Conversion. - Qinghua Sun; Kenji Nagamatsu (CoRR, 2020)

End-To-End Speaker Diarization as Post-Processing. - Shota Horiguchi; Paola García 001; Yusuke Fujita; Shinji Watanabe 001; Kenji Nagamatsu (ICASSP, 2021)

Audio-Visual Speech Enhancement Method Conditioned in the Lip Motion and Speaker-Discriminative Embeddings. - Koichiro Ito; Masaaki Yamamoto; Kenji Nagamatsu (ICASSP, 2021)

Audio-Visual Speech Emotion Recognition by Disentangling Emotion and Identity Attributes. - Koichiro Ito; Takuya Fujioka; Qinghua Sun; Kenji Nagamatsu (Interspeech, 2021)

Semi-Supervised Training with Pseudo-Labeling for End-To-End Neural Diarization. - Yuki Takashima; Yusuke Fujita; Shota Horiguchi; Shinji Watanabe 001; Leibny Paola García-Perera; Kenji Nagamatsu (Interspeech, 2021)

Online Streaming End-to-End Neural Diarization Handling Overlapping Speech and Flexible Numbers of Speakers. - Yawen Xue; Shota Horiguchi; Yusuke Fujita; Yuki Takashima; Shinji Watanabe 001; Leibny Paola García-Perera; Kenji Nagamatsu (Interspeech, 2021)

Block-Online Guided Source Separation. - Shota Horiguchi; Yusuke Fujita; Kenji Nagamatsu (SLT, 2021)

End-to-End Speaker Diarization Conditioned on Speech Activity and Overlap Detection. - Yuki Takashima; Yusuke Fujita; Shinji Watanabe 001; Shota Horiguchi; Paola García 001; Kenji Nagamatsu (SLT, 2021)

Online End-To-End Neural Diarization with Speaker-Tracing Buffer. - Yawen Xue; Shota Horiguchi; Yusuke Fujita; Shinji Watanabe 001; Paola García 001; Kenji Nagamatsu (SLT, 2021)

Online End-to-End Neural Diarization Handling Overlapping Speech and Flexible Numbers of Speakers. - Yawen Xue; Shota Horiguchi; Yusuke Fujita; Yuki Takashima; Shinji Watanabe 001; Paola García 001; Kenji Nagamatsu (CoRR, 2021)

Emotional Speech Synthesis for Companion Robot to Imitate Professional Caregiver Speech. - Takeshi Homma; Qinghua Sun; Takuya Fujioka; Ryuta Takawaki; Eriko Ankyu; Kenji Nagamatsu; Daichi Sugawara; Etsuko T. Harada (CoRR, 2021)

Team Hitachi @ AutoMin 2021: Reference-free Automatic Minuting Pipeline with Argument Structure Construction over Topic-based Summarization. - Atsuki Yamaguchi; Gaku Morio; Hiroaki Ozaki; Ken-Ichi Yokote; Kenji Nagamatsu (CoRR, 2021)