Please note that some of my earlier publications list nakashima-taishi@ed.tmu.ac.jp as the corresponding email address. This address has been deactivated and is no longer in use. For inquiries regarding my research or publications, please contact me at taishi@ieee.org instead.
Journal Articles
Causal and relaxed-distortionless response beamforming for online target source extraction
@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},}
Minimum-spanning-tree-based time delay estimation robust to outliers
@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},}
Online BSS
Repeated update of demixing vectors in independent low-rank matrix analysis for better separation
@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},}
Rotation-robust online BSS
Self-rotation-robust online independent vector analysis with sound field interpolation on circular microphone array
Taishi Nakashima, Yukoh Wakabayashi, and Nobutaka Ono
APSIPA Transactions on Signal and Information Processing, 2023
@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},}
Anti-jamming mobile control using QoS-based reinforcement learning
Naomi Kuze, Taishi Nakashima, and Toshimitsu Ushio
@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
Online ILRMA
Online Independent Low-Rank Matrix Analysis as a Lightweight and Trainable Model for Real-Time Multichannel Music Source Separation
@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={787--790},}
Multichannel source separation using prior information via updates of back-projected demixing vectors
@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,pages={},note={no paper, only abstract reviewed},doi={},}
Extended evaluation of source-dependent forgetting control in online auxiliary-function-based independent vector analysis with multiplicative update
@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,pages={},note={no paper, only abstract reviewed},doi={},}
Experimental evaluation of multichannel extension of language-queried audio source separation for moving sources
@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,pages={},note={no paper, only abstract reviewed},doi={},}
Experimental evaluation of two-stage processing of blind source separation and DNN-based speech enhancement for in-car speech recognition
@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,pages={},note={no paper, only abstract reviewed},doi={},}
Prior-Guided Source Separation with Direct Update of Back-projected Demixing Vectors
@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={},doi={},}
Multiplicative update reformulation of online independent vector analysis for source-dependent forgetting factor control
@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={},}
A multichannel extension of language-queried audio source separation via independent vector analysis
@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={},}
@inproceedings{Nakamura:2024:ASJA,author={優希, 中村 and 大志, 中嶋 and 順貴, 小野},title={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},booktitle={日本音響学会秋季研究発表会講演論文集},pages={235--236},year={2025},month=mar,isjapanese={true},}
@inproceedings{Koiso:2025:SPEASIP,author={心, 小磯 and 大志, 中嶋 and 順貴, 小野},title={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},booktitle={電子情報通信学会 技術研究報告},pages={397--402},year={2025},month=mar,isjapanese={true},}
@inproceedings{Takeuchi:2025:SPEASIP,author={柚月, 竹内 and 大志, 中嶋 and 順貴, 小野 and 剛史, 高沢 and 修平, 島ノ江 and 義規, 土屋},title={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},booktitle={電子情報通信学会 技術研究報告},pages={423--428},year={2025},month=mar,isjapanese={true},}
@inproceedings{Masuko:2025:SPEASIP,author={凱斗, 増子 and 大志, 中嶋 and 順貴, 小野},title={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},booktitle={電子情報通信学会 技術研究報告},pages={409--414},year={2025},month=mar,isjapanese={true},}
@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},}
Experimental evaluation of speech enhancement for in-car environment using blind source separation and DNN-based noise suppression
@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},}
Direct update of back-projected demixing matrices in blind source separation
@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},}
@inproceedings{Kazama:2024:ASJA,author={香伽, 風間 and 大志, 中嶋 and 順貴, 小野},title={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},booktitle={日本音響学会秋季研究発表会講演論文集},pages={211--212},year={2024},month=sep,isjapanese={true},}
@inproceedings{Nakamura:2024:ASJB,author={優希, 中村 and 大志, 中嶋 and 順貴, 小野 and 亮一, 宮崎},title={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},booktitle={日本音響学会秋季研究発表会講演論文集},pages={125--128},year={2024},month=sep,isjapanese={true},}
@inproceedings{Masuko:2024:ASJS,author={凱斗, 増子 and 大志, 中嶋 and 隆生, 河村 and 順貴, 小野},title={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},booktitle={日本音響学会春季研究発表会講演論文集},pages={79--82},year={2024},month=mar,isjapanese={true},}
Unaliasing of recorded signals based on blind source separation
Yuki Nakamura, Nobutaka Ono, Taishi Nakashima, and Ryoichi Miyazaki
In Proceedings of European Signal Processing Conference (EUSIPCO), Sep 2023
@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},}
@inproceedings{Kuriki:2024:SPEASIP,author={結衣, 栗城 and 大志, 中嶋 and 小野, 順貴},title={プロジェクションバックされた分離行列の直接更新,},booktitle={電子情報通信学会 技術研究報告},pages={31--36},year={2023},month=mar,isjapanese={true},}
@inproceedings{Nammoku:2024:SPEASIP,author={春希, 南木 and 大志, 中嶋 and 洸瑛, 山岡 and 佑幸, 若林 and 小野, 順貴},title={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,},booktitle={電子情報通信学会 技術研究報告},pages={37--42},year={2023},month=mar,isjapanese={true},}
@inproceedings{Sugawara:2023:SIGMUS,author={大基, 菅原 and 大志, 中嶋 and 夏樹, 植野 and 小野, 順貴},title={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},booktitle={音学シンポジウム},year={2023},month=jun,isjapanese={true},}
@inproceedings{Sugawara:2023:SIGMUT,author={大基, 菅原 and 大志, 中嶋 and 夏樹, 植野 and 小野, 順貴},title={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},booktitle={音学シンポジウム},year={2023},pages={79--82},month=jun,isjapanese={true},}
@inproceedings{Nakamura:2023:ASJ:S,author={優希, 中村 and 大志, 中嶋 and 順貴, 小野 and 亮一, 宮崎},title={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},booktitle={日本音響学会春季研究発表会講演論文集},year={2023},pages={181--184},month=mar,title_en={Blind signal separation of alias component and bandwidth restoration based on it},isjapanese={true},}
Online BSS
Fast online source steering algorithm for tracking single moving source using online independent vector analysis
@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},}
@inproceedings{Nakashima:2023:ASJ:S,author={大志, 中嶋 and 林太郎, 池下 and 順貴, 小野 and 章子, 荒木 and 智広, 中谷},title={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},booktitle={日本音響学会春季研究発表会講演論文集},year={2023},month=mar,isjapanese={true},}
Encoder re-training with mixture signals on FastMVAE method
Shuhei Yamaji, Taishi Nakashima, Nobutaka Ono, Li Li, and Hirokazu Kameoka
In Proceedings of Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC), Oct 2022
@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},}
Efficient low-latency convolution with uniform filter partition and its evaluation on real-time blind source separation
@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},}
Analysis and source separation of overlapping speech using corpus of everyday japanese conversation
@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},}
Source selection using multiple directions of arrival estimation based on blind source separation
@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},}
@inproceedings{Yamaoka:2022:ASJ:A,author={洸瑛, 山岡 and 大志, 中嶋 and 順貴, 小野},title={最小全域木を用いた複数時間差の同時推定},booktitle={日本音響学会秋季研究発表会講演論文集},year={2022},month=sep,pages={259--262},isjapanese={true},}
@inproceedings{Yamaji:2022:ASJ:A,author={修平, 山地 and 大志, 中嶋 and 順貴, 小野 and 莉, 李 and 弘和, 亀岡},title={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},booktitle={日本音響学会秋季研究発表会講演論文集},year={2022},month=sep,pages={355--358},isjapanese={true},}
@inproceedings{Kuriki:2022:ASJ:S,author={結衣, 栗城 and 大志, 中嶋 and 洸瑛, 山岡 and 佑幸, 若林 and 順貴, 小野},title={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},booktitle={日本音響学会春季研究発表会講演論文集},year={2022},month=mar,pages={283--284},isjapanese={true},}
@inproceedings{Yamaoka:2022:ASJ:S,author={洸瑛, 山岡 and 大志, 中嶋 and 佑幸, 若林 and 順貴, 小野},title={補助関数法を用いた複数時間差のオンライン推定},booktitle={日本音響学会春季研究発表会講演論文集},year={2022},month=mar,pages={285--286},isjapanese={true},}
Online BSS
Inverse-free online blind source separation based on independent vector analysis with flexible iterative source steering
@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},}
@inproceedings{Nakashima:2022:ASJ:A,author={大志, 中嶋 and 佑幸, 若林 and 順貴, 小野},title={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},booktitle={日本音響学会秋季研究発表会講演論文集},year={2022},month=sep,pages={331--332},isjapanese={true},}
Self-rotation angle estimation of circular microphone array based on sound field interpolation
Guansan Lian, Yukoh Wakabayashi, Taishi Nakashima, and Nobutaka Ono
In Proceedings of Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC), 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},}
@inproceedings{Yamaji:2021:ASJ:A,author={修平, 山地 and 大志, 中嶋 and 佑幸, 若林 and 順貴, 小野},title={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},booktitle={日本音響学会秋季研究発表会講演論文集},year={2021},month=sep,pages={305--306},isjapanese={true},}
@inproceedings{Mogi:2021:ASJ:A,author={倖大, 茂木 and 大志, 中嶋 and 佑幸, 若林 and 順貴, 小野},title={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},booktitle={日本音響学会秋季研究発表会講演論文集},year={2021},month=sep,pages={153--154},isjapanese={true},}
@inproceedings{Lian:2021:ASJ:S,author={冠三, 連 and 大志, 中嶋 and 佑幸, 若林 and 順貴, 小野},title={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},booktitle={日本音響学会春季研究発表会講演論文集},year={2021},month=mar,pages={397--398},isjapanese={true},}
BSS+Dereverberation
Joint dereverberation and separation with iterative source steering
@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},}
ILRMA
Faster independent low-rank matrix analysis with pairwise updates of demixing vectors
@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},}
ILRMA
Performance evaluation of independent low-rank matrix analysis for short signals
@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},}
@inproceedings{Nakashima:2020:ASJ:S,author={大志, 中嶋 and ロビン, シャイブラー and 佑幸, 若林 and 順貴, 小野},title={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},booktitle={日本音響学会春季研究発表会講演論文集},year={2020},month=mar,pages={309--312},isjapanese={true},}
@inproceedings{Nakashima:2019:SIP,author={大志, 中嶋 and ロビン, シャイブラー and 佑幸, 若林 and 順貴, 小野},title={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},pages={56--61},booktitle={第34回信号処理シンポジウム},year={2019},month=nov,isjapanese={true},}
Miscellaneous
Recent topics about online blind source separation
