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J-GLOBAL ID:201401048428625669   Update date: Jan. 07, 2025

Kitamura Daichi

キタムラ ダイチ | Kitamura Daichi
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Affiliation and department:
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 (87):
  • Sota Misawa, Norihiro Takamune, Kohei Yatabe, Daichi Kitamura, Hiroshi Saruwatari. Blind Source Separation Using Independent Low-Rank Matrix Analysis with Spectrogram-Consistency Regularization. 2023 Asia Pacific Signal and Information Processing Association Annual Summit and Conference, APSIPA ASC 2023. 2023. 1050-1057
  • 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
  • Yuto Kondo, Yuki Kubo, Norihiro Takamune, Daichi Kitamura, Hiroshi Saruwatari. Deficient-basis-complementary rank-constrained spatial covariance matrix estimation based on multivariate generalized Gaussian distribution for blind speech extraction. EURASIP Journal on Advances in Signal Processing. 2022. 2022. 88. 24 pages
  • 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
more...
MISC (122):
  • 石川悠人, 大久保拓哉, 高宗典玄, 北村大地, 中村友彦, 猿渡洋, 高橋祐, 近藤多伸. Accelerating and stabilizing iterative projection method for ILRMA. 日本音響学会研究発表会講演論文集(CD-ROM). 2024. 2024
  • 石川悠人, 大久保拓哉, 高宗典玄, 中村友彦, 北村大地, 猿渡洋, 高橋祐, 近藤多伸. Accelerating and stabilizing vectorwise coordinate descent method for spatially regularized independent low-rank matrix analysis. 電子情報通信学会技術研究報告(Web). 2024. 123. 401(EA2023 61-133)
  • 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
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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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