Publications

Journal Articles

First author

1. Taishi Nakashima and Nobutaka Ono, "Repeated update of demixing vectors in independent low-rank matrix analysis for better separation", APSIPA Transactions on Signal and Information Processing, vol. 12, no. 3, 2023, doi: 10.1561/116.00000080

   @article{Nakashima:2023:SIP,
     author = {Nakashima, Taishi and Ono, Nobutaka},
     title = {Repeated update of demixing vectors in independent low-rank matrix analysis for better separation},
     year = {2023},
     volume = {12},
     journal = {APSIPA Transactions on Signal and Information Processing},
     doi = {10.1561/116.00000080},
     number = {3}
   }

2. SFI-BSS

   Taishi Nakashima, Yukoh Wakabayashi, and Nobutaka Ono, "Self-rotation-robust online independent vector analysis with sound field interpolation on circular microphone array", APSIPA Transactions on Signal and Information Processing, vol. 13, no. 1, 2023, doi: 10.1561/116.00000163

   @article{Nakashima:2023:SIP2,
     author = {Nakashima, Taishi and Wakabayashi, Yukoh and Ono, Nobutaka},
     title = {Self-rotation-robust online independent vector analysis with sound field interpolation on circular microphone array},
     year = {2023},
     volume = {13},
     journal = {APSIPA Transactions on Signal and Information Processing},
     doi = {10.1561/116.00000163},
     number = {1},
   }

Co-author

1. Yoshiki Masuyama, Kouei Yamaoka, Yuma Kinoshita, Taishi Nakashima, and Nobutaka Ono, "Causal and relaxed-distortionless response beamforming for online target source extraction", IEEE/ACM Transactions on Audio, Speech, and Language Processing, vol. 32, pp. 310–324, 2024, doi: 10.1109/TASLP.2023.3329377

   @article{Masuyama:2024:ASLP,
     author = {Masuyama, Yoshiki and Yamaoka, Kouei and Kinoshita, Yuma and Nakashima, Taishi and Ono, Nobutaka},
     journal = {IEEE/ACM Transactions on Audio, Speech, and Language Processing},
     title = {Causal and relaxed-distortionless response beamforming for online target source extraction},
     year = {2024},
     volume = {32},
     pages = {310--324},
     doi = {10.1109/TASLP.2023.3329377}
   }

2. Kouei Yamaoka, Taishi Nakashima, Yukoh Wakabayashi, and Nobutaka Ono, "Minimum-spanning-tree-based time delay estimation robust to outliers", IEEE Access, vol. 11, pp. 121284–121294, 2023, doi: 10.1109/ACCESS.2023.3327011

   @article{Yamaoka:2023:ACCESS,
     author = {Yamaoka, Kouei and Nakashima, Taishi and Wakabayashi, Yukoh and Ono, Nobutaka},
     journal = {IEEE Access},
     title = {Minimum-spanning-tree-based time delay estimation robust to outliers},
     year = {2023},
     volume = {11},
     pages = {121284--121294},
     doi = {10.1109/ACCESS.2023.3327011}
   }

3. Naomi Kuze, Taishi Nakashima, and Toshimitsu Ushio, "Anti-jamming mobile control using QoS-based reinforcement learning", IEICE Communications Express, vol. 8, no. 12, pp. 501–506, 2019, doi: 10.1587/comex.2019GCL0025

   @article{Kuze:2019:comex,
     title = {Anti-jamming mobile control using {QoS}-based reinforcement learning},
     author = {Kuze, Naomi and Nakashima, Taishi and Ushio, Toshimitsu},
     journal = {IEICE Communications Express},
     volume = {8},
     number = {12},
     pages = {501--506},
     year = {2019},
     doi = {10.1587/comex.2019GCL0025}
   }

Conference Articles

First author

1. Online ILRMA

   Taishi Nakashima and Nobutaka Ono, "Online independent low-rank matrix analysis as a lightweight and trainable model for real-time multichannel music source separation", Proceedings of the AAAI 2026 Workshop on Audio-Centric AI: Towards Real-World Multimodal Reasoning and Application Use Cases (Audio-AAAI), vol. 312, pp. 48–60, Jan. 2026

   @inproceedings{Nakashima:2026:AAAI,
     author = {Nakashima, Taishi and Ono, Nobutaka},
     title = {Online independent low-rank matrix analysis as a lightweight and trainable model for real-time multichannel music source separation},
     booktitle = {Proceedings of the {AAAI 2026} Workshop on Audio-Centric {AI}: Towards Real-World Multimodal Reasoning and Application Use Cases {(Audio-AAAI)}},
     year = {2026},
     month = jan,
     pages = {48--60},
     editor = {Komatsu, Tatsuya and Imoto, Keisuke and Gao, Xiaoxue and Ono, Nobutaka and Chen, Nancy F.},
     volume = {312},
     series = {Proceedings of Machine Learning Research},
     publisher = {PMLR},
     url = {https://proceedings.mlr.press/v312/nakashima26a.html},
   }

2. Online Source Steering Awarded

   Taishi Nakashima, Rintaro Ikeshita, Nobutaka Ono, Shoko Araki, and Tomohiro Nakatani, "Fast online source steering algorithm for tracking single moving source using online independent vector analysis", Proceedings of IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Jun. 2023, doi: 10.1109/ICASSP49357.2023.10094962

   Top 3% Paper Recognition

   @inproceedings{Nakashima:2023:ICASSP,
     author = {Nakashima, Taishi and Ikeshita, Rintaro and Ono, Nobutaka and Araki, Shoko and Nakatani, Tomohiro},
     title = {Fast online source steering algorithm for tracking single moving source using online independent vector analysis},
     booktitle = {Proceedings of {IEEE} International Conference on Acoustics, Speech and Signal Processing (ICASSP)},
     year = {2023},
     month = jun,
     doi = {10.1109/ICASSP49357.2023.10094962},
   }

3. Online AuxIVA-ISS

   Taishi Nakashima and Nobutaka Ono, "Inverse-free online blind source separation based on independent vector analysis with flexible iterative source steering", Proceedings of Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC), pp. 750–754, Dec. 2022, doi: 10.23919/APSIPAASC55919.2022.9979837

   @inproceedings{Nakashima:2022:APSIPA,
     author = {Nakashima, Taishi and Ono, Nobutaka},
     title = {Inverse-free online blind source separation based on independent vector analysis with flexible iterative source steering},
     booktitle = {Proceedings of Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC)},
     year = {2022},
     month = dec,
     pages = {750--754},
     doi = {10.23919/APSIPAASC55919.2022.9979837},
   }

4. ILRMA-T-ISS Awarded

   Taishi Nakashima, Robin Scheibler, Masahito Togami, and Nobutaka Ono, "Joint dereverberation and separation with iterative source steering", Proceedings of IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), pp. 216–220, Jun. 2021, doi: 10.1109/ICASSP39728.2021.9413478

   IEEE SPS Japan Student Conference Paper Award

   @inproceedings{Nakashima:2021:ICASSP,
     author = {Nakashima, Taishi and Scheibler, Robin and Togami, Masahito and Ono, Nobutaka},
     title = {Joint dereverberation and separation with iterative source steering},
     booktitle = {Proceedings of {IEEE} International Conference on Acoustics, Speech and Signal Processing (ICASSP)},
     year = {2021},
     pages = {216--220},
     month = jun,
     doi = {10.1109/ICASSP39728.2021.9413478},
   }

5. ILRMA-IP2

   Taishi Nakashima, Robin Scheibler, Yukoh Wakabayashi, and Nobutaka Ono, "Faster independent low-rank matrix analysis with pairwise updates of demixing vectors", Proceedings of European Signal Processing Conference (EUSIPCO), pp. 301–305, Jan. 2021, doi: 10.23919/Eusipco47968.2020.9287508

   @inproceedings{Nakashima:2020:EUSIPCO,
     author = {Nakashima, Taishi and Scheibler, Robin and Wakabayashi, Yukoh and Ono, Nobutaka},
     title = {Faster independent low-rank matrix analysis with pairwise updates of demixing vectors},
     pages = {301--305},
     booktitle = {Proceedings of European Signal Processing Conference (EUSIPCO)},
     year = {2021},
     month = jan,
     doi = {10.23919/Eusipco47968.2020.9287508},
   }

6. Taishi Nakashima, Robin Scheibler, Yukoh Wakabayashi, and Nobutaka Ono, "Performance evaluation of independent low-rank matrix analysis for short signals", Proceedings of Forum Acusticum, pp. 787–790, Apr. 2020

   @inproceedings{Nakashima:2020:FA,
     author = {Nakashima, Taishi and Scheibler, Robin and Wakabayashi, Yukoh and Ono, Nobutaka},
     title = {Performance evaluation of independent low-rank matrix analysis for short signals},
     booktitle = {Proceedings of Forum Acusticum},
     year = {2020},
     month = apr,
     pages = {787--790}
   }

Co-author

1. Kukuru Koiso, Taishi Nakashima, and Nobutaka Ono, "Multichannel source separation using prior information via updates of back-projected demixing vectors", 6th Joint Meeting of the Acoustical Society of America and the Acoustical Society of Japan, Dec. 2025

   * no paper, only abstract reviewed

   @inproceedings{Koiso:2025:ASAASJ,
     title = {Multichannel source separation using prior information via updates of back-projected demixing vectors},
     author = {Koiso, Kukuru and Nakashima, Taishi and Ono, Nobutaka},
     booktitle = {6th Joint Meeting of the Acoustical Society of America and the Acoustical Society of Japan},
     year = {2025},
     month = dec,
     note = {no paper, only abstract reviewed}
   }

2. Kaito Masuko, Taishi Nakashima, and Nobutaka Ono, "Extended evaluation of source-dependent forgetting control in online auxiliary-function-based independent vector analysis with multiplicative update", 6th Joint Meeting of the Acoustical Society of America and the Acoustical Society of Japan, Dec. 2025

   * no paper, only abstract reviewed

   @inproceedings{Masuko:2025:ASAASJ,
     title = {Extended evaluation of source-dependent forgetting control in online auxiliary-function-based independent vector analysis with multiplicative update},
     author = {Masuko, Kaito and Nakashima, Taishi and Ono, Nobutaka},
     booktitle = {6th Joint Meeting of the Acoustical Society of America and the Acoustical Society of Japan},
     year = {2025},
     month = dec,
     note = {no paper, only abstract reviewed}
   }

3. Yuki Nakamura, Taishi Nakashima, and Nobutaka Ono, "Experimental evaluation of multichannel extension of language-queried audio source separation for moving sources", 6th Joint Meeting of the Acoustical Society of America and the Acoustical Society of Japan, Dec. 2025

   * no paper, only abstract reviewed

   @inproceedings{Nakamura:2025:ASAASJ,
     title = {Experimental evaluation of multichannel extension of language-queried audio source separation for moving sources},
     author = {Nakamura, Yuki and Nakashima, Taishi and Ono, Nobutaka},
     booktitle = {6th Joint Meeting of the Acoustical Society of America and the Acoustical Society of Japan},
     year = {2025},
     month = dec,
     note = {no paper, only abstract reviewed}
   }

4. Yutsuki Takeuchi, Taishi Nakashima, Nobutaka Ono, Takashi Takazawa, Shuhei Shimanoe, and Yoshinori Tsuchiya, "Experimental evaluation of two-stage processing of blind source separation and DNN-based speech enhancement for in-car speech recognition", 6th Joint Meeting of the Acoustical Society of America and the Acoustical Society of Japan, Dec. 2025

   * no paper, only abstract reviewed

   @inproceedings{Takeuchi:2025:ASAASJ,
     title = {Experimental evaluation of two-stage processing of blind source separation and {DNN}-based speech enhancement for in-car speech recognition},
     author = {Takeuchi, Yutsuki and Nakashima, Taishi and Ono, Nobutaka and Takazawa, Takashi and Shimanoe, Shuhei and Tsuchiya, Yoshinori},
     booktitle = {6th Joint Meeting of the Acoustical Society of America and the Acoustical Society of Japan},
     year = {2025},
     month = dec,
     note = {no paper, only abstract reviewed}
   }

5. Kukuru Koiso, Taishi Nakashima, and Nobutaka Ono, "Prior-guided source separation with direct update of back-projected demixing vectors", Proceedings of Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC), pp. 166–171, Oct. 2025, doi: 10.1109/APSIPAASC65261.2025.11249001

   @inproceedings{Koiso:2025:APSIPA,
     author = {Koiso, Kukuru and Nakashima, Taishi and Ono, Nobutaka},
     booktitle = {Proceedings of Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC)},
     title = {Prior-guided source separation with direct update of back-projected demixing vectors},
     year = {2025},
     month = oct,
     pages = {166--171},
     doi = {10.1109/APSIPAASC65261.2025.11249001}
   }

6. Kaito Masuko, Taishi Nakashima, and Nobutaka Ono, "Multiplicative update reformulation of online independent vector analysis for source-dependent forgetting factor control", Proceedings of European Signal Processing Conference (EUSIPCO), pp. 466–470, Sept. 2025, doi: 10.23919/EUSIPCO63237.2025.11226808

   @inproceedings{Masuko:2025:EUSIPCO,
     author = {Masuko, Kaito and Nakashima, Taishi and Ono, Nobutaka},
     booktitle = {Proceedings of European Signal Processing Conference (EUSIPCO)},
     title = {Multiplicative update reformulation of online independent vector analysis for source-dependent forgetting factor control},
     year = {2025},
     month = sep,
     pages = {466--470},
     doi = {10.23919/EUSIPCO63237.2025.11226808}
   }

7. Yuki Nakamura, Taishi Nakashima, and Nobutaka Ono, "A multichannel extension of language-queried audio source separation via independent vector analysis", Proceedings of European Signal Processing Conference (EUSIPCO), pp. 456–460, Sept. 2025, doi: 10.23919/EUSIPCO63237.2025.11226181

   @inproceedings{Nakamura:2025:EUSIPCO,
     author = {Nakamura, Yuki and Nakashima, Taishi and Ono, Nobutaka},
     booktitle = {Proceedings of European Signal Processing Conference (EUSIPCO)},
     title = {A multichannel extension of language-queried audio source separation via independent vector analysis},
     year = {2025},
     month = sep,
     pages = {456--460},
     doi = {10.23919/EUSIPCO63237.2025.11226181}
   }

8. Kyoka Kazama, Taishi Nakashima, and Nobutaka Ono, "Measurement of relative transfer function for own voice in head-mounted microphone array", Proceedings of Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC), pp. 1–5, Dec. 2024, doi: 10.1109/APSIPAASC63619.2025.10848720

   @inproceedings{Kazama:2024:APSIPA,
     author = {Kazama, Kyoka and Nakashima, Taishi and Ono, Nobutaka},
     booktitle = {Proceedings of Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC)},
     title = {Measurement of relative transfer function for own voice in head-mounted microphone array},
     year = {2024},
     month = dec,
     pages = {1--5},
     doi = {10.1109/APSIPAASC63619.2025.10848720}
   }

9. Yutsuki Takeuchi, Taishi Nakashima, Nobutaka Ono, Takashi Takazawa, Shuhei Shimanoe, and Yoshinori Tsuchiya, "Experimental evaluation of speech enhancement for in-car environment using blind source separation and DNN-based noise suppression", Proceedings of Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC), pp. 1–6, Dec. 2024, doi: 10.1109/APSIPAASC63619.2025.10848662

   @inproceedings{Takeuchi:2024:APSIPA,
     author = {Takeuchi, Yutsuki and Nakashima, Taishi and Ono, Nobutaka and Takazawa, Takashi and Shimanoe, Shuhei and Tsuchiya, Yoshinori},
     booktitle = {Proceedings of Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC)},
     title = {Experimental evaluation of speech enhancement for in-car environment using blind source separation and {DNN}-based noise suppression},
     year = {2024},
     month = dec,
     pages = {1--6},
     doi = {10.1109/APSIPAASC63619.2025.10848662}
   }

10. Yui Kuriki, Taishi Nakashima, and Nobutaka Ono, "Direct update of back-projected demixing matrices in blind source separation", Proceedings of European Signal Processing Conference (EUSIPCO), pp. 922–926, Sept. 2024, doi: 10.23919/EUSIPCO63174.2024.10715137

    @inproceedings{Kuriki:2024:EUSIPCO,
      author = {Kuriki, Yui and Nakashima, Taishi and Ono, Nobutaka},
      booktitle = {Proceedings of European Signal Processing Conference (EUSIPCO)},
      title = {Direct update of back-projected demixing matrices in blind source separation},
      year = {2024},
      month = sep,
      pages = {922--926},
      doi = {10.23919/EUSIPCO63174.2024.10715137}
    }

11. Yuki Nakamura, Nobutaka Ono, Taishi Nakashima, and Ryoichi Miyazaki, "Unaliasing of recorded signals based on blind source separation", Proceedings of European Signal Processing Conference (EUSIPCO), pp. 321–325, Sept. 2023, doi: 10.23919/EUSIPCO58844.2023.10290097

    @inproceedings{Nakamura:2023:EUSIPCO,
      author = {Nakamura, Yuki and Ono, Nobutaka and Nakashima, Taishi and Miyazaki, Ryoichi},
      title = {Unaliasing of recorded signals based on blind source separation},
      booktitle = {Proceedings of European Signal Processing Conference (EUSIPCO)},
      year = {2023},
      month = sep,
      pages = {321--325},
      doi = {10.23919/EUSIPCO58844.2023.10290097}
    }

12. Shuhei Yamaji, Taishi Nakashima, Nobutaka Ono, Li Li, and Hirokazu Kameoka, "Encoder re-training with mixture signals on FastMVAE method", Proceedings of Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC), pp. 705–709, Oct. 2022, doi: 10.23919/APSIPAASC55919.2022.9979843

    @inproceedings{Yamaji:2022:APSIPA,
      author = {Yamaji, Shuhei and Nakashima, Taishi and Ono, Nobutaka and Li, Li and Kameoka, Hirokazu},
      title = {Encoder re-training with mixture signals on {FastMVAE} method},
      booktitle = {Proceedings of Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC)},
      year = {2022},
      month = oct,
      pages = {705--709},
      doi = {10.23919/APSIPAASC55919.2022.9979843}
    }

13. Yui Kuriki, Taishi Nakashima, Kouei Yamaoka, Natsuki Ueno, Nobutaka Ono, Wakabayashi Yukoh, Nobutaka Ono, and Ryo Sato, "Efficient low-latency convolution with uniform filter partition and its evaluation on real-time blind source separation", Proceedings of Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC), pp. 776–770, Oct. 2022, doi: 10.23919/APSIPAASC55919.2022.9980079

    @inproceedings{Kuriki:2022:APSIPA,
      author = {Kuriki, Yui and Nakashima, Taishi and Yamaoka, Kouei and Ueno, Natsuki and Ono, Nobutaka and Yukoh, Wakabayashi and Ono, Nobutaka and Sato, Ryo},
      title = {Efficient low-latency convolution with uniform filter partition and its evaluation on real-time blind source separation},
      booktitle = {Proceedings of Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC)},
      year = {2022},
      month = oct,
      pages = {776--770},
      doi = {10.23919/APSIPAASC55919.2022.9980079}
    }

14. Haruki Nammoku, Kouei Yamaoka, Taishi Nakashima, Yukoh Wakabayashi, and Nobutaka Ono, "Analysis and source separation of overlapping speech using corpus of everyday japanese conversation", Proceedings of the 24th international congress on acoustics (ICA), pp. ABS-0870, Oct. 2022

    @inproceedings{Nammoku:2022:ICA,
      author = {Nammoku, Haruki and Yamaoka, Kouei and Nakashima, Taishi and Wakabayashi, Yukoh and Ono, Nobutaka},
      title = {Analysis and source separation of overlapping speech using corpus of everyday japanese conversation},
      booktitle = {Proceedings of the 24th international congress on acoustics (ICA)},
      year = {2022},
      month = oct,
      pages = {ABS-0870}
    }

15. Koudai Mogi, Taishi Nakashima, Kouei Yamaoka, Yukoh Wakabayashi, and Nobutaka Ono, "Source selection using multiple directions of arrival estimation based on blind source separation", RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP), pp. 253–256, Mar. 2022

    @inproceedings{Mogi:2022:NCSP,
      author = {Mogi, Koudai and Nakashima, Taishi and Yamaoka, Kouei and Wakabayashi, Yukoh and Ono, Nobutaka},
      title = {Source selection using multiple directions of arrival estimation based on blind source separation},
      booktitle = {RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP)},
      year = {2022},
      month = mar,
      pages = {253--256}
    }

16. Guansan Lian, Yukoh Wakabayashi, Taishi Nakashima, and Nobutaka Ono, "Self-rotation angle estimation of circular microphone array based on sound field interpolation", Proceedings of Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC), pp. 1016–1020, Dec. 2021

    @inproceedings{Lian:2021:APSIPA,
      author = {Lian, Guansan and Wakabayashi, Yukoh and Nakashima, Taishi and Ono, Nobutaka},
      title = {Self-rotation angle estimation of circular microphone array based on sound field interpolation},
      booktitle = {Proceedings of Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC)},
      year = {2021},
      month = dec,
      pages = {1016--1020},
      url = {https://ieeexplore.ieee.org/document/9689329}
    }

Other Publications

1. Taishi Nakashima, "Recent topics about online blind source separation", Apr. 2024

   @misc{Nakashima:2024:Sogang,
     author = {Nakashima, Taishi},
     title = {Recent topics about online blind source separation},
     year = {2024},
     month = apr,
     location = {Sogang University, Seoul, Korea}
   }