Kenji Nagamatsu

Publication Activity (10 Years)

Years Active: 1996-2021
Publications (10 Years): 46

Top Topics

Negative Matrix Factorization

Speaker Diarization

Acoustic Models

Top Venues

Publications

Yawen Xue, Shota Horiguchi, Yusuke Fujita, Shinji Watanabe, Paola García, Kenji Nagamatsu
Online End-To-End Neural Diarization with Speaker-Tracing Buffer. SLT (2021)
Yuki Takashima, Yusuke Fujita, Shota Horiguchi, Shinji Watanabe, Paola García, Kenji Nagamatsu
Semi-Supervised Training with Pseudo-Labeling for End-to-End Neural Diarization. CoRR (2021)
Koichiro Ito, Takuya Fujioka, Qinghua Sun, Kenji Nagamatsu
Audio-Visual Speech Emotion Recognition by Disentangling Emotion and Identity Attributes. Interspeech (2021)
Shota Horiguchi, Paola García, Yusuke Fujita, Shinji Watanabe, Kenji Nagamatsu
End-To-End Speaker Diarization as Post-Processing. ICASSP (2021)
Shota Horiguchi, Yusuke Fujita, Kenji Nagamatsu
Block-Online Guided Source Separation. SLT (2021)
Yuki Takashima, Yusuke Fujita, Shota Horiguchi, Shinji Watanabe, Leibny Paola García-Perera, Kenji Nagamatsu
Semi-Supervised Training with Pseudo-Labeling for End-To-End Neural Diarization. Interspeech (2021)
Koichiro Ito, Masaaki Yamamoto, Kenji Nagamatsu
Audio-Visual Speech Enhancement Method Conditioned in the Lip Motion and Speaker-Discriminative Embeddings. ICASSP (2021)
Yawen Xue, Shota Horiguchi, Yusuke Fujita, Yuki Takashima, Shinji Watanabe, Paola García, Kenji Nagamatsu
Online End-to-End Neural Diarization Handling Overlapping Speech and Flexible Numbers of Speakers. CoRR (2021)
Yuki Takashima, Yusuke Fujita, Shinji Watanabe, Shota Horiguchi, Paola García, Kenji Nagamatsu
End-to-End Speaker Diarization Conditioned on Speech Activity and Overlap Detection. SLT (2021)
Yuki Takashima, Yusuke Fujita, Shinji Watanabe, Shota Horiguchi, Paola García, Kenji Nagamatsu
End-to-End Speaker Diarization Conditioned on Speech Activity and Overlap Detection. CoRR (2021)
Takeshi Homma, Qinghua Sun, Takuya Fujioka, Ryuta Takawaki, Eriko Ankyu, Kenji Nagamatsu, Daichi Sugawara, Etsuko T. Harada
Emotional Speech Synthesis for Companion Robot to Imitate Professional Caregiver Speech. CoRR (2021)
Yawen Xue, Shota Horiguchi, Yusuke Fujita, Yuki Takashima, Shinji Watanabe, Leibny Paola García-Perera, Kenji Nagamatsu
Online Streaming End-to-End Neural Diarization Handling Overlapping Speech and Flexible Numbers of Speakers. Interspeech (2021)
Atsuki Yamaguchi, Gaku Morio, Hiroaki Ozaki, Ken-ichi Yokote, Kenji Nagamatsu
Team Hitachi @ AutoMin 2021: Reference-free Automatic Minuting Pipeline with Argument Structure Construction over Topic-based Summarization. CoRR (2021)
Yawen Xue, Shota Horiguchi, Yusuke Fujita, Shinji Watanabe, Kenji Nagamatsu
Online End-to-End Neural Diarization with Speaker-Tracing Buffer. CoRR (2020)
Shota Horiguchi, Paola García, Yusuke Fujita, Shinji Watanabe, Kenji Nagamatsu
End-to-End Speaker Diarization as Post-Processing. CoRR (2020)
Shota Horiguchi, Yusuke Fujita, Kenji Nagamatsu
Utterance-Wise Meeting Transcription System Using Asynchronous Distributed Microphones. INTERSPEECH (2020)
Yusuke Fujita, Shinji Watanabe, Shota Horiguchi, Yawen Xue, Kenji Nagamatsu
End-to-End Neural Diarization: Reformulating Speaker Diarization as Simple Multi-label Classification. CoRR (2020)
Koichiro Ito, Quan Kong, Shota Horiguchi, Takashi Sumiyoshi, Kenji Nagamatsu
Anticipating the Start of User Interaction for Service Robot in the Wild. ICRA (2020)
Shota Horiguchi, Yusuke Fujita, Kenji Nagamatsu
Utterance-Wise Meeting Transcription System Using Asynchronous Distributed Microphones. CoRR (2020)
Shota Horiguchi, Yusuke Fujita, Shinji Watanabe, Yawen Xue, Kenji Nagamatsu
End-to-End Speaker Diarization for an Unknown Number of Speakers with Encoder-Decoder Based Attractors. CoRR (2020)
Yusuke Fujita, Shinji Watanabe, Shota Horiguchi, Yawen Xue, Jing Shi, Kenji Nagamatsu
Neural Speaker Diarization with Speaker-Wise Chain Rule. CoRR (2020)
Qinghua Sun, Kenji Nagamatsu
Building Multi lingual TTS using Cross Lingual Voice Conversion. CoRR (2020)
Takuya Fujioka, Takeshi Homma, Kenji Nagamatsu
Meta-Learning for Speech Emotion Recognition Considering Ambiguity of Emotion Labels. INTERSPEECH (2020)
Amalia Istiqlali Adiba, Takeshi Homma, Dario Bertero, Takashi Sumiyoshi, Kenji Nagamatsu
Delay Mitigation for Backchannel Prediction in Spoken Dialog System. IWSDS (2020)
Shota Horiguchi, Yusuke Fujita, Kenji Nagamatsu
Block-Online Guided Source Separation. CoRR (2020)
Shota Horiguchi, Yusuke Fujita, Shinji Watanabe, Yawen Xue, Kenji Nagamatsu
End-to-End Speaker Diarization for an Unknown Number of Speakers with Encoder-Decoder Based Attractors. INTERSPEECH (2020)
Naoyuki Kanda, Christoph Böddeker, Jens Heitkaemper, Yusuke Fujita, Shota Horiguchi, Kenji Nagamatsu, Reinhold Haeb-Umbach
Guided Source Separation Meets a Strong ASR Backend: Hitachi/Paderborn University Joint Investigation for Dinner Party ASR. INTERSPEECH (2019)
Naoyuki Kanda, Shota Horiguchi, Yusuke Fujita, Yawen Xue, Kenji Nagamatsu, Shinji Watanabe
Simultaneous Speech Recognition and Speaker Diarization for Monaural Dialogue Recordings with Target-Speaker Acoustic Models. ASRU (2019)
Naoyuki Kanda, Shota Horiguchi, Yusuke Fujita, Yawen Xue, Kenji Nagamatsu, Shinji Watanabe
Simultaneous Speech Recognition and Speaker Diarization for Monaural Dialogue Recordings with Target-Speaker Acoustic Models. CoRR (2019)
Naoyuki Kanda, Christoph Böddeker, Jens Heitkaemper, Yusuke Fujita, Shota Horiguchi, Kenji Nagamatsu, Reinhold Haeb-Umbach
Guided Source Separation Meets a Strong ASR Backend: Hitachi/Paderborn University Joint Investigation for Dinner Party ASR. CoRR (2019)
Naoyuki Kanda, Shota Horiguchi, Ryoichi Takashima, Yusuke Fujita, Kenji Nagamatsu, Shinji Watanabe
Auxiliary Interference Speaker Loss for Target-Speaker Speech Recognition. CoRR (2019)
Yusuke Fujita, Naoyuki Kanda, Shota Horiguchi, Kenji Nagamatsu, Shinji Watanabe
End-to-End Neural Speaker Diarization with Permutation-Free Objectives. CoRR (2019)
Shota Horiguchi, Naoyuki Kanda, Kenji Nagamatsu
Multimodal Response Obligation Detection with Unsupervised Online Domain Adaptation. INTERSPEECH (2019)
Yusuke Fujita, Naoyuki Kanda, Shota Horiguchi, Yawen Xue, Kenji Nagamatsu, Shinji Watanabe
End-to-End Neural Speaker Diarization with Self-Attention. ASRU (2019)
Naoyuki Kanda, Yusuke Fujita, Shota Horiguchi, Rintaro Ikeshita, Kenji Nagamatsu, Shinji Watanabe
Acoustic Modeling for Distant Multi-talker Speech Recognition with Single- and Multi-channel Branches. ICASSP (2019)
Yusuke Fujita, Naoyuki Kanda, Shota Horiguchi, Yawen Xue, Kenji Nagamatsu, Shinji Watanabe
End-to-End Neural Speaker Diarization with Self-attention. CoRR (2019)
Yusuke Fujita, Naoyuki Kanda, Shota Horiguchi, Kenji Nagamatsu, Shinji Watanabe
End-to-End Neural Speaker Diarization with Permutation-Free Objectives. INTERSPEECH (2019)
Takuya Fujioka, Dario Bertero, Takeshi Homma, Kenji Nagamatsu
Addressing Ambiguity of Emotion Labels Through Meta-Learning. CoRR (2019)
Naoyuki Kanda, Shota Horiguchi, Ryoichi Takashima, Yusuke Fujita, Kenji Nagamatsu, Shinji Watanabe
Auxiliary Interference Speaker Loss for Target-Speaker Speech Recognition. INTERSPEECH (2019)
Naoyuki Kanda, Yusuke Fujita, Kenji Nagamatsu
Lattice-free State-level Minimum Bayes Risk Training of Acoustic Models. INTERSPEECH (2018)
Shota Horiguchi, Naoyuki Kanda, Kenji Nagamatsu
Face-Voice Matching using Cross-modal Embeddings. ACM Multimedia (2018)
Rintaro Ikeshita, Yohei Kawaguchi, Kenji Nagamatsu
Fast Multichannel Nonnegative Matrix Factorization with Constraints on Active Source Candidates. IWAENC (2018)
Naoyuki Kanda, Yusuke Fujita, Kenji Nagamatsu
Sequence Distillation for Purely Sequence Trained Acoustic Models. ICASSP (2018)
Naoyuki Kanda, Yusuke Fujita, Kenji Nagamatsu
Investigation of lattice-free maximum mutual information-based acoustic models with sequence-level Kullback-Leibler divergence. ASRU (2017)
Rintaro Ikeshita, Masahito Togami, Yohei Kawaguchi, Yusuke Fujita, Kenji Nagamatsu
Local Gaussian model with source-set constraints in audio source separation. MLSP (2017)
Rintaro Ikeshita, Yohei Kawaguchi, Masahito Togami, Yusuke Fujita, Kenji Nagamatsu
Independent vector analysis with frequency range division and prior switching. EUSIPCO (2017)
Iacopo Gentilini, Kenji Nagamatsu, Kenji Shimada
Cycle time based multi-goal path optimization for redundant robotic systems. IROS (2013)
Hongjian Liu, Defeng Guo, Quan Zhou, Kenji Nagamatsu, Qinghua Sun
A Pre-Identification Method for Chinese Named Entity Recognition. J. Softw. 5 (1) (2010)
Quan Zhou, Pan Deng, Hongjian Liu, Defeng Guo, Kenji Nagamatsu
A Hybrid Method of Chinese Prosodic Word Tagging Based on Keyword Anchor and Hidden Markov Model. IALP (2009)
Hongjian Liu, Defeng Guo, Quan Zhou, Kenji Nagamatsu, Qinghua Sun
Cascade Chinese Potential Name Recognition. IFITA (3) (2009)
Nobuo Nukaga, Ryota Kamoshida, Kenji Nagamatsu, Yoshinori Kitahara
Scalable Implementation Of Unit Selection Based Text-To-Speech System For Embedded Solutions. ICASSP (1) (2006)
Nobuo Nukaga, Ryota Kamoshida, Kenji Nagamatsu
Unit selection using pitch synchronous cross correlation for Japanese concatenative speech synthesis. SSW (2004)
Kenji Nagamatsu, Hidehiko Tanaka
Estimating Point-of-View-based Similarity Using POV Reinforcement and Similarity Propagation. PACLIC (1996)