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J-GLOBAL ID：201401048428625669   Update date: Feb. 01, 2024

Kitamura Daichi

キタムラ ダイチ | Kitamura Daichi
Affiliation and department：
National Institute of Technology, Kagawa College Department of Electrical, and Computer Engineering

About National Institute of Technology, Kagawa College Department of Electrical, and Computer Engineering


Job title： Lecturer
Other affiliations (1)：
Homepage URL  (1)： http://d-kitamura.net
Research field  (1)： Perceptual information processing
Research keywords  (12)： Deep learning ,  統計的信号処理 ,  Acoustic signal processing ,  Physics of musical instruments ,  Digital signal processing ,  Music signal processing ,  NMF ,  Source separation ,  Sparse representation ,  Acoustic information engineering ,  Machine learning ,  Signal processing
Research theme for competitive and other funds  (7)：
  • 2022 - 2026 Mathematical Deepening of Audio Source Separation Based on Independence and Amplitude/Phase Modeling and Development of Multimodal Hearing-Aid system
  • 2022 - 2025 Fundamental study of continuous blood pressure measurement using a wearable sensor attached to nail surface
  • 2019 - 2023 スモールデータ機械学習理論に基づく音響拡張現実感及び音コミュニケーション能力拡張
  • 2021 - 2022 Analysis of Relative Characteristics for Multiple Musical Instruments Based on Matrix Decomposition Theory and Deep Learning
  • 2019 - 2022 Unification of Deep Learning and Generalized Mathematical Model for Independence-Based Audio Source Separation
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Papers (86)：
  • Takuya Hasumi, Tomohiko Nakamura, Norihiro Takamune, Hiroshi Saruwatari, Daichi Kitamura, Yu Takahashi, Kazunobu Kondo. PoP-IDLMA: Product-of-Prior Independent Deeply Learned Matrix Analysis for Multichannel Music Source Separation. IEEE/ACM Transactions on Audio, Speech, and Language Processing. 2023
  • Yuta Iwase, Daichi Kitamura. Supervised audio source separation based on nonnegative matrix factorization with cosine similarity penalty. IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences. 2022. E105-A. 6
  • Masaya Kawamura, Tomohiko Nakamura, Daichi Kitamura, Hiroshi Saruwatari, Yu Takahashi, Kazunobu Kondo. Differentiable Digital Signal Processing Mixture Model for Synthesis Parameter Extraction from Mixture of Harmonic Sounds. ICASSP 2022 - 2022 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP). 2022
  • Sota Misawa, Norihiro Takamune, Tomohiko Nakamura, Daichi Kitamura, Hiroshi Saruwatari, Masakazu Une, Shoji Makino. Speech enhancement by noise self-supervised rank-constrained spatial covariance matrix estimation via independent deeply learned matrix analysis. Proceedings of Asia-Pacific Signal and Information Processing Association Annual Summit and Conference. 2021. 578-584
  • Takuya Hasumi, Tomohiko Nakamura, Norihiro Takamune, Hiroshi Saruwatari, Daichi Kitamura, Yu Takahashi, Kazunobu Kondo. Multichannel audio source separation with independent deeply learned matrix analysis using product of source models. Proceedings of Asia-Pacific Signal and Information Processing Association Annual Summit and Conference. 2021. 1226-1233
ｍore...
MISC (120)：
  • 北村大地, 中村友彦. 音源分離技術の基礎と応用~音源分離チョットワカルになるための手引き~. 情報処理学会研究報告(Web). 2023. 2023. MUS-137
  • 溝渕悠朔, 北村大地, 中村友彦, 猿渡洋, 高橋祐, 近藤多伸. Robustness comparison of initialization for bleeding sound reduction using time-channel nonnegative matrix factorization. 日本音響学会研究発表会講演論文集(CD-ROM). 2022. 2022
  • 川村真也, 中村友彦, 高宗典玄, 北村大地, 猿渡洋, 高橋祐, 近藤多伸. Loss Function Design Based on Time Variability of Loudness for Synthesis Parameter Extraction Using Differentiable Digital Signal Processing Mixture Model. 日本音響学会研究発表会講演論文集(CD-ROM). 2022. 2022
  • 川村真也, 中村友彦, 北村大地, 猿渡洋, 高橋祐, 近藤多伸. Experimental Evaluation of Synthesis Parameter Extraction from Mixture of Harmonic Sounds by Differentiable DSP Mixture Model. 日本音響学会研究発表会講演論文集(CD-ROM). 2022. 2022
  • Daichi Kitamura. Blind audio source separation based on time-frequency structure models. Invited Overview Session in Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC 2021). 2021
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Patents (5)：
  • SOUND PROCESSING METHODS AND APPARATUS
  • ACOUSTIC ANALYSIS APPARATUS, ACOUSTIC ANALYSIS METHOD, AND ACOUSTIC ANALYSIS PROGRAM
  • SIGNAL PROCESSING METHOD AND SOUND SIGNAL PROCESSOR
  • SOUND PROCESSING DEVICE
  • ACOUSTIC ANALYZER
Books (3)：
  • Audio Source Separation. Signals and Communication Technology.
    Shoji Makino, Ed. Springer, Cham 2018 ISBN:9783319730301
  • 日本音響学会誌 2017年9月号(vol. 73, no. 9)
    日本音響学会 2017
  • Acousticpedia for Beginners
    Acoustical Society of Japan, Eds. Corona Publishing 2017
Lectures and oral presentations  (14)：
  • The BEEtles! Let it "BEE" performed by four bees
    (MATLAB EXPO 2021Japan Lightning Talk 2021)
  • T-1 Blind audio source separation on tensor representation
    (2018 IEEE International Conference on Acoustics, Speech and Signal Processing 2018)
  • Blind source separation based on independent low-rank matrix analysis and its extensions
    (Ohio State University, Invited Lecture 2017)
  • Acoustic modeling in audio source separation
    (The Acoustical Society of Japan, Summer Seminar, Invited Talk 2017)
  • Blind source separation based on independent low-rank matrix analysis and its extension to Student's t-distribution
    (Télécom ParisTech, Invited Lecture 2017)
ｍore...
Professional career (2)：
  • Ph.D. in Informatics (SOKENDAI (The Graduate University for Advanced Studies))
  • 博士(情報学) (総合研究大学院大学)
Work history (11)：
  • 2022/01 - 現在 National Institute of Technology, Kagawa College Department of Electrical, and Computer Engineering Lecturer
  • 2021/04 - 現在 Nippon Telegraph and Telephone Corporation Communication Science Laboratories Visitor
  • 2018/04 - 2021/12 National Institute of Technology, Kagawa College Department of Electrical and Computer Engineering Assistant Professor
  • 2018/04 - 2020/03 The University of Tokyo Graduate School of Information Science and Technology Visiting Researcher
  • 2017/04 - 2018/03 The University of Tokyo Department of Information Physics and Computing, Graduate School of Information Science and Technology Project Research Associate
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Committee career (7)：
  • 2021/06 - 現在 Acoustical Society of Japan (ASJ) 関西支部「第24回 日本音響学会関西支部 若手研究者交流研究発表会(若手の会)」実行委員
  • 2021/06 - 現在 電子情報通信学会 信号処理研究専門委員会 専門委員
  • 2018/06 - 現在 電子情報通信学会 応用音響研究専門委員会 専門委員
  • 2014/03 - 2019/03 日本音響学会 学生・若手フォーラム 幹事会員
  • 2017/04 - 2018/09 The International Workshop on Acoustic Signal Enhancement (IWAENC 2018) Local Arrangement Chairs
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Awards (20)：
  • 2021/12 - Asia-Pacific Signal and Information Processing Association (APSIPA) Sadaoki Furui Prize Paper Award 2021 A review of blind source separation methods: Two converging routes to ILRMA originating from ICA and NMF
  • 2021/06 - Information Processing Society of Japan (IPSJ) 2021 Otogaku symposium Best Presentation Award
  • 2019/12 - IEEE Signal Processing Society (SPS) 2019 Young Author Best Paper Award Determined blind source separation unifying independent vector analysis and nonnegative matrix factorization
  • 2018/11 - Asia-Pacific Signal and Information Processing Association APSIPA Annual Summit and Conference 2018 Best Paper Award Independent low-rank matrix analysis based on time-variant sub-Gaussian source model
  • 2018/03 - The Telecommunication Advancement Foundation (TAF) The Telecom System Technology Award (Encouragement Award) Determined blind source separation unifying independent vector analysis and nonnegative matrix factorization
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Association Membership(s) (3)：
IEEE ,  ACOUSTICAL SOCIETY OF JAPAN ,  The Institute of Electronics, Information and Communication Engineers
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