Publications

Journal Articles

2024

1. Causal and Relaxed-Distortionless Response Beamforming for Online Target Source Extraction

   Yoshiki Masuyama, Kouei Yamaoka, Yuma Kinoshita, Taishi Nakashima, Nobutaka Ono

   IEEE/ACM Transactions on Audio, Speech, and Language Processing, 2024

   DOI Bib

   @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},
   }

2023

1. Minimum-Spanning-Tree-Based Time Delay Estimation Robust to Outliers

   Kouei Yamaoka, Taishi Nakashima, Yukoh Wakabayashi, Nobutaka Ono

   IEEE Access, 2023

   DOI Bib

   @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},
   }

2. Online BSS

   Repeated update of demixing vectors in independent low-rank matrix analysis for better separation

   Taishi Nakashima Nobutaka Ono

   APSIPA Transactions on Signal and Information Processing, 2023

   DOI
3. Rotation-robust online BSS

   Self-Rotation-Robust Online Independent Vector Analysis with Sound Field Interpolation on Circular Microphone Array

   Taishi Nakashima, Yukoh Wakabayashi, Nobutaka Ono

   APSIPA Transactions on Signal and Information Processing, 2023

   DOI

2019

1. Anti-jamming mobile control using QoS-based reinforcement learning

   Naomi Kuze, Taishi Nakashima, Toshimitsu Ushio

   IEICE Communications Express, 2019

   DOI Bib

   @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

2025

1. 言語クエリを用いた音源分離の多チャンネル拡張の検討

   中村 優希, 中嶋 大志, 小野 順貴

   In 日本音響学会秋季研究発表会講演論文集, Mar 2025
2. プロジェクションバックされた分離ベクトルを用いた正則化に基づく音源分離の検討

   小磯 心, 中嶋 大志, 小野 順貴

   In 信学技報, Mar 2025
3. 相対伝達関数に基づく自己音声選択を用いた頭部装着型マイクロホンアレイによるリアルタイムブラインド音源分離

   風間 香伽, 中嶋 大志, 小野 順貴

   In 信学技報, Mar 2025
4. 車内環境における音声認識のためのブラインド音源分離と DNN 音声強調の二段階処理

   竹内 柚月, 中嶋 大志, 小野 順貴, 高沢 剛史, 島ノ江 修平, 土屋 義規

   In 信学技報, Mar 2025
5. オンライン補助関数型独立ベクトル分析への乗法更新則の導入とそれに基づく音源毎忘却係数制御の検討

   増子 凱斗, 中嶋 大志, 小野 順貴

   In 信学技報, Mar 2025

2024

1. Measurement of Relative Transfer Function for Own Voice in Head-Mounted Microphone Array

   Kyoka Kazama, Taishi Nakashima, Nobutaka Ono

   In Proceedings of Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC), Mar 2024

   DOI Bib

   @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},
     pages = {1--5},
     doi = {10.1109/APSIPAASC63619.2025.10848720},
   }

2. Experimental Evaluation of Speech Enhancement for In-Car Environment Using Blind Source Separation and DNN-based Noise Suppression

   Yutsuki Takeuchi, Taishi Nakashima, Nobutaka Ono, Takashi Takazawa, Shuhei Shimanoe, Yoshinori Tsuchiya

   In Proceedings of Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC), Mar 2024

   DOI Bib

   @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},
     pages = {1--6},
     doi = {10.1109/APSIPAASC63619.2025.10848662},
   }

3. Direct Update of Back-Projected Demixing Matrices in Blind Source Separation

   Yui Kuriki, Taishi Nakashima, Nobutaka Ono

   In Proceedings of European Signal Processing Conference (EUSIPCO), Mar 2024

   DOI Bib

   @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},
     pages = {922--926},
     doi = {10.23919/EUSIPCO63174.2024.10715137},
   }

4. 頭部装着マイクロフォンアレイにおける自己音声の相対伝達関数計測

   風間 香伽, 中嶋 大志, 小野 順貴

   In 日本音響学会秋季研究発表会講演論文集, Sep 2024
5. エイリアス成分のブラインド音源分離による帯域復元のマイクロホン数増加による拡張

   中村 優希, 中嶋 大志, 小野 順貴, 宮崎 亮一

   In 日本音響学会秋季研究発表会講演論文集, Sep 2024
6. オンライン補助関数型独立ベクトル分析の忘却係数の動的制御による移動音源分離

   増子 凱斗, 中嶋 大志, 河村 隆生, 小野 順貴

   In 日本音響学会春季研究発表会講演論文集, Mar 2024

   Awarded

   学生優秀発表賞

2023

1. Unaliasing of recorded signals based on blind source separation

   Yuki Nakamura, Nobutaka Ono, Taishi Nakashima, Ryoichi Miyazaki

   In Proceedings of European Signal Processing Conference (EUSIPCO), Sep 2023

   DOI Bib

   @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 = {},
     doi = {10.23919/EUSIPCO58844.2023.10290097},
   }

2. プロジェクションバックされた分離行列の直接更新,

   栗城 結衣, 中嶋 大志, 順貴 小野

   In 信学技報, Mar 2023
3. 日常会話の発話重畳分析と非同期分散録音に対するオンライン独立ベクトル分析による分離の検討,

   南木 春希, 中嶋 大志, 山岡 洸瑛, 若林 佑幸, 順貴 小野

   In 信学技報, Mar 2023
4. 時間周波数マスクの膨張処理と位相差拘束位相復元による両耳性ピッチの改善の検討

   菅原 大基, 中嶋 大志, 植野 夏樹, 順貴 小野

   In 音学シンポジウム, Jun 2023
5. 時間周波数マスクの膨張処理と位相差拘束位相復元による両耳性ピッチの改善の検討

   菅原 大基, 中嶋 大志, 植野 夏樹, 順貴 小野

   In 音学シンポジウム, Jun 2023
6. エイリアシング成分のブラインド信号分離とそれに基づく帯域復元

   中村 優希, 中嶋 大志, 小野 順貴, 宮崎 亮一

   In 日本音響学会春季研究発表会講演論文集, Mar 2023
7. Online BSS

   Fast Online Source Steering Algorithm for Tracking Single Moving Source Using Online Independent Vector Analysis

   Taishi Nakashima, Rintaro Ikeshita, Nobutaka Ono, Shoko Araki, Tomohiro Nakatani

   In Proceedings of IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Jun 2023

   Awarded DOI Bib HTML

   

   Top 3% Paper Recognition awarded

   @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},
   }

8. Online BSS

   独立ベクトル分析によるオンライン音源分離・追跡のための高速最適化

   中嶋 大志, 池下 林太郎, 小野 順貴, 荒木 章子, 中谷 智広

   In 日本音響学会春季研究発表会講演論文集, Mar 2023

2022

1. Encoder re-training with mixture signals on FastMVAE method

   Shuhei Yamaji, Taishi Nakashima, Nobutaka Ono, Li Li, Hirokazu Kameoka

   In Proceedings of Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC), Oct 2022

   DOI Bib

   @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},
   }

2. Efficient low-latency convolution with uniform filter partition and its evaluation on real-time blind source separation

   Yui Kuriki, Taishi Nakashima, Kouei Yamaoka, Natsuki Ueno, Nobutaka Ono, Wakabayashi Yukoh, Nobutaka Ono, Ryo Sato

   In Proceedings of Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC), Oct 2022

   DOI Bib

   @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},
   }

3. Analysis and source separation of overlapping speech using corpus of everyday japanese conversation

   Haruki Nammoku, Kouei Yamaoka, Taishi Nakashima, Yukoh Wakabayashi, Nobutaka Ono

   In Proceedings of the 24th international congress on acoustics (ICA), Oct 2022

   Bib

   @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},
   }

4. Source Selection Using Multiple Directions of Arrival Estimation Based on Blind Source Separation

   Koudai Mogi, Taishi Nakashima, Kouei Yamaoka, Yukoh Wakabayashi, Nobutaka Ono

   In RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP), Mar 2022

   Bib

   @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},
   }

5. 最小全域木を用いた複数時間差の同時推定

   山岡 洸瑛, 中嶋 大志, 小野 順貴

   In 日本音響学会秋季研究発表会講演論文集, Sep 2022
6. 混合信号による符号化器再学習を用いたFastMVAE法に基づく音源分離

   山地 修平, 中嶋 大志, 小野 順貴, 李 莉, 亀岡 弘和

   In 日本音響学会秋季研究発表会講演論文集, Sep 2022
7. ブロック処理と重畳加算による畳み込み演算の低遅延化

   栗城 結衣, 中嶋 大志, 山岡 洸瑛, 若林 佑幸, 小野 順貴

   In 日本音響学会春季研究発表会講演論文集, Mar 2022
8. 補助関数法を用いた複数時間差のオンライン推定

   山岡 洸瑛, 中嶋 大志, 若林 佑幸, 小野 順貴

   In 日本音響学会春季研究発表会講演論文集, Mar 2022
9. Online BSS

   Inverse-free online blind source separation based on independent vector analysis with flexible iterative source steering

   Taishi Nakashima Nobutaka Ono

   In Proceedings of Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC), Dec 2022

   DOI Bib

   

   @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},
   }

10. Online BSS

    Iterative source steering を用いたオンライン補助関数型独立ベクトル分析に基づくブラインド音源分離

    中嶋 大志 小野 順貴

    In 日本音響学会春季研究発表会講演論文集, Mar 2022

    Awarded HTML

    学生優秀発表賞

11. Rotation-robust BSS

    音場補間を用いた円状マイクロホンアレイの回転に頑健なブラインド音源分離

    中嶋 大志, 若林 佑幸, 小野 順貴

    In 日本音響学会秋季研究発表会講演論文集, Sep 2022

2021

1. Self-rotation angle estimation of circular microphone array based on sound field interpolation

   Guansan Lian, Yukoh Wakabayashi, Taishi Nakashima, Nobutaka Ono

   In Proceedings of Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC), Dec 2021

   Bib

   @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},
   }

2. ハンガリー法を用いたパーミュテーション解法に基づくブラインド音源分離

   山地 修平, 中嶋 大志, 若林 佑幸, 小野 順貴

   In 日本音響学会秋季研究発表会講演論文集, Sep 2021
3. ブラインド音源分離に基づく複数音源方向推定を用いた分離音源選択の検討

   茂木 倖大, 中嶋 大志, 若林 佑幸, 小野 順貴

   In 日本音響学会秋季研究発表会講演論文集, Sep 2021
4. 音場補間に基づく円状マイクロホンアレイの自己回転角度推定

   連 冠三, 中嶋 大志, 若林 佑幸, 小野 順貴

   In 日本音響学会春季研究発表会講演論文集, Mar 2021
5. ILRMA

   Faster Independent Low-rank Matrix Analysis with Pairwise Updates of Demixing Vectors

   Taishi Nakashima, Robin Scheibler, Yukoh Wakabayashi, Nobutaka Ono

   In Proceedings of European Signal Processing Conference (EUSIPCO), Jan 2021

   DOI Bib

   @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. BSS+Dereverberation

   Joint dereverberation and separation with iterative source steering

   Taishi Nakashima, Robin Scheibler, Masahito Togami, Nobutaka Ono

   In Proceedings of IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Jun 2021

   Awarded DOI Bib HTML

   

   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},
   }

2020

1. ILRMA

   Performance Evaluation of Independent Low-rank Matrix Analysis for Short Signals

   Taishi Nakashima, Robin Scheibler, Yukoh Wakabayashi, Nobutaka Ono

   In Proceedings of Forum Acusticum, Apr 2020

   Bib

   @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},
   }

2. ILRMA

   分離ベクトル同時更新による独立低ランク行列分析の収束性と性能向上の検討

   中嶋 大志, シャイブラー ロビン, 若林 佑幸, 小野 順貴

   In 日本音響学会春季研究発表会講演論文集, Mar 2020

2019

1. ILRMA

   分離ベクトルの同時更新による独立低ランク行列分析の高速化

   中嶋 大志, シャイブラー ロビン, 若林 佑幸, 小野 順貴

   In 第34回信号処理シンポジウム, Nov 2019

Miscellaneous

2024

1. Recent Topics about Online Blind Source Separation

   Taishi Nakashima

   Apr 2024

2021

1. マイクロホンアレイを用いた音響信号処理

   中嶋 大志

   Aug 2021

   Website