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Profile

Biography

2014 - 2018
Bachelor’s student, Department of Mathematical Engineering and Information Physics, School of Engineering, The University of Tokyo.
2018 - Present
Master’s student, Department of Creative Informatics, Graduate school of Information Science and Technology, The University of Tokyo.

Research Interests


Publications

International Conference Papers

  1. Yuki Kubo, Norihiro Takamune, Daichi Kitamura, and Hiroshi Saruwatari,
    “Acceleration of rank-constrained spatial covariance matrix estimation for blind speech extraction,”
    Proceedings of Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC 2019), pp.332–338, Lanzhou, China, November 2019.

  2. Masakazu Une, Yuki Kubo, Norihiro Takamune, Daichi Kitamura, Hiroshi Saruwatari, and Shoji Makino,
    “Evaluation of multichannel hearing aid system using rank-constrained spatial covariance matrix estimation,”
    Proceedings of Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC 2019), pp.1874–1879, Lanzhou, China, November 2019.

  3. Yuki Kubo, Norihiro Takamune, Daichi Kitamura, and Hiroshi Saruwatari,
    “Efficient full-rank spatial covariance estimation using independent low-rank matrix analysis for blind source separation,”
    Proceedings of European Signal Processing Conferecne (EUSIPCO 2019), pp.1814–1818, A Coruña, Spain, September 2019.
    [EUSIPCO Student Travel Grants].

  4. Yuki Kubo, Tomohiro Nakatani, Marc Delcroix, Keisuke Kinoshita and Shoko Araki,
    “Mask-based MVDR beamformer for noisy multisource environments: introduction of time-varying spatial covariance model,”
    Proceedings of IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2019), pp.6855–6859, Brighton, U.K., May 2019.

Domestic Conference Papers

  1. 久保優騎, 高宗典玄, 北村大地, 猿渡洋,
    “ブラインド音声抽出のための多変量複素一般化Gauss分布に基づくランク制約付き空間共分散行列推定法及びその高速化,”
    IEICE Technical Report, EA2019-???, vol. ???, no. ???, pp.???–???, Fukuoka, December 2019.

  2. 加茂佳吾, 久保優騎, 高宗典玄, 北村大地, 猿渡洋, 高橋祐, 近藤多伸,
    “多変量複素Student’s t 分布に基づくFastMNMFを用いたブラインド音源分離,”
    IEICE Technical Report, EA2019-40, vol. 119 no. 253 pp.23–29, Tokyo, October 2019.

  3. 久保優騎, 高宗典玄, 北村大地, 猿渡洋,
    “ランク制約付き空間共分散モデル推定法の逆行列展開による高速化,”
    日本音響学会 2019年秋季研究発表会講演論文集, 1-Q-23, pp.287–290, Shiga, September 2019.

  4. 宇根昌和, 久保優騎, 高宗典玄, 北村大地, 猿渡洋, 牧野昭二,
    “ランク制約付き空間共分散モデル推定を用いた多チャネル補聴器システムの評価,”
    日本音響学会 2019年秋季研究発表会講演論文集, 1-1-3, pp.161–164, Shiga, September 2019.

  5. 久保優騎, 高宗典玄, 北村大地, 猿渡洋,
    “ブラインド音源分離における多変量複素Student’s t 分布に基づくランク制約付き空間共分散モデルの推定,”
    IEICE Technical Report, EA2018-128, vol. 118, no. 496, pp.173–178, Nagasaki, March 2019.
    [Slide]

  6. 久保優騎, 高宗典玄, 北村大地, 猿渡洋,
    “乗算型更新式に基づくランク制約付き空間共分散モデルの推定,”
    日本音響学会 2019年春季研究発表会講演論文集, 2-6-1, pp.245–248, Tokyo, March 2019.
    [Best Student Presentation Award].
    [Slide]

  7. 久保優騎, 高宗典玄, 北村大地, 猿渡洋,
    “独立低ランク行列分析を用いたフルランク空間共分散モデルに基づくブラインド音源分離,”
    日本音響学会 2018年秋季研究発表会講演論文集, 3-1-9, pp.211–214, Oita, September 2018.

Academic Society Membership