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2008 Fiscal Year Final Research Report

Machine learning theory based on structure of signal space and its application

Research Project

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Project/Area Number 18300057
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Perception information processing/Intelligent robotics
Research InstitutionTokyo Institute of Technology

Principal Investigator

YAMASHITA Yukihiko  Tokyo Institute of Technology, 大学院・理工学研究科, 准教授 (90220350)

Co-Investigator(Kenkyū-buntansha) SUGIYAMA Masashi  東京工業大学, 大学院・情報理工学研究科, 准教授 (90334515)
TANAKA Toshihisa  東京農工大学, 大学院・共生科学技術研究院, 准教授 (70360584)
WASHIZAWA Yoshikazu  独立行政法人理化学研究所, 脳信号処理研究チーム, 研究員 (10419880)
Project Period (FY) 2006 – 2008
Keywords信号空間の構造 / Mahalanobis 計量 / 幾何学的局所等方独立 / 非対称カーネル法 / 共変量シフト / コミッティ機械 / ブラインド信号抽出 / 多様体
Research Abstract

パターン認識などの知的情報処理の精度にブレークスルーをもたらす非線形な信号空間の構造の利用に関して, Riemann 多様体を使って信号空間の構造を表現するMahalanobis 計量, カーネル法を拡張した非対称カーネル法, 構造が時間と共に変化していく場合における学習法, 多様体上で最適化問題を解くためのアルゴリズム, 分散構造を用いたブラインド信号抽出法に関して研究を行い, 新たな知見を得た。さらにその成果をパターン認識, 脳信号処理などの様々な問題に適用し, その有効性を確認した。

  • Research Products

    (20 results)

All 2009 2008 2007 2006

All Journal Article (15 results) (of which Peer Reviewed: 15 results) Presentation (2 results) Book (1 results) Patent(Industrial Property Rights) (2 results)

  • [Journal Article] Learning averages over the Lie group of symmetric positive definite matrices2009

    • Author(s)
      S. Fiori,and T. Tanaka
    • Journal Title

      Proceedings of International Joint Conference on Neural Networks in press

    • Peer Reviewed
  • [Journal Article] Learning machinescommittee averages over the unitary group of matrices2009

    • Author(s)
      S. Fiori,and T. Tanaka
    • Journal Title

      Proceedings of IEEE International Conference on Circuits and Systems in press

    • Peer Reviewed
  • [Journal Article] Direct density ratio estimation for large scale covariate shift adaptation2009

    • Author(s)
      Y. Tsuboi, H. Kashima, S. Hido, S. Bickel,and M. Sugiyama
    • Journal Title

      IPSJ Journal 50

      Pages: 1-19

    • Peer Reviewed
  • [Journal Article] Pattern recognition by kernel Wiener filter, Proceedings of Signal Processing2008

    • Author(s)
      H. Yoshino,and Y. Yamashita
    • Journal Title

      Pattern Recognition, and Applications

      Pages: 7-12

    • Peer Reviewed
  • [Journal Article] Numerical analysis of Mahalanobis metric in vector space2008

    • Author(s)
      S. Joken, N. Inoue,and Y. Yamashita
    • Journal Title

      Proceedings of 19th International Conference on Pattern Recognition CD-ROM

    • Peer Reviewed
  • [Journal Article] Blind global source extraction from noisy observations2008

    • Author(s)
      Y. Washizawa, Y. Yamashita, T. Tanaka and A. Cichocki
    • Journal Title

      Proceedings of 2008 RISP International Workshop on Nonlinear Circuits and Signal Processing

      Pages: 184-187

    • Peer Reviewed
  • [Journal Article] A batch ensemble approach to active learning with model selection2008

    • Author(s)
      M. Sugiyama and N. Rubens
    • Journal Title

      Neural Networks 21

      Pages: 1278-1286

    • Peer Reviewed
  • [Journal Article] Direct importance estimation with model selection and its application to covariate shift adaptation2008

    • Author(s)
      M. Sugiyama, S. Nakajima, H. Kashima, von P. Bnau and M. Kawanabe
    • Journal Title

      Advances in Neural Information Processing Systems 20

    • Peer Reviewed
  • [Journal Article] Sparse blind identification and separation by using adaptive Korthodrome clustering2008

    • Author(s)
      Y. Washizawa and A. Cichocki
    • Journal Title

      Neurocomputing 71

      Pages: 2321-2329

    • Peer Reviewed
  • [Journal Article] Complex empirical mode decomposition2007

    • Author(s)
      T. Tanaka and D.P. Mandic
    • Journal Title

      IEEE Signal Processing Letters 14

      Pages: 101-104

    • Peer Reviewed
  • [Journal Article] Extraction of steady state visually evoked potential signal and estimation of distribution map from EEG data2007

    • Author(s)
      Y. Washizawa, Y. Yamashita, T. Tanaka, A. Cichocki
    • Journal Title

      Proceedings of 29th Annual International Conference of the IEEE Engineering in Medicine and Biology Society

      Pages: 5449-5452

    • Peer Reviewed
  • [Journal Article] Kernel projection classifiers with suppressing features of other classes2006

    • Author(s)
      Y. Washizawa and Y. Yamashita
    • Journal Title

      Neural Computation 18

      Pages: 1932-1950

    • Peer Reviewed
  • [Journal Article] Asymmetric kernel method and its application to Fisher's discriminant2006

    • Author(s)
      N. Koide and Y. Yamashita
    • Journal Title

      Proceedings of 18th International Conference on Pattern Recognition 2

      Pages: 820-824

    • Peer Reviewed
  • [Journal Article] Non linear Wiener filter in reproducing kernel Hilbert space2006

    • Author(s)
      Y. Washizawa and Y. Yamashita
    • Journal Title

      Proceedings of 18th International Conference on Pattern Recognition 967-970

    • Peer Reviewed
  • [Journal Article] Maxwell normal distribution in a Manifold and Mahalanobis metric2006

    • Author(s)
      Y. Yamashita, M. Numakami and N. Inoue
    • Journal Title

      Structural, Syntactic and Statistical Pattern Recognition 604-612

    • Peer Reviewed
  • [Presentation] 重み付き相関行列による局所部分空間法2008

    • Author(s)
      山下幸彦
    • Organizer
      部分空間法研究会2008
    • Place of Presentation
      軽井沢
    • Year and Date
      2008-07-28
  • [Presentation] 抑制付きカーネル部分空間法2008

    • Author(s)
      鷲沢嘉一
    • Organizer
      部分空間法研究会2008
    • Place of Presentation
      軽井沢
    • Year and Date
      2008-07-28
  • [Book] Dataset Shift in Machine Learning2009

    • Author(s)
      J. Quionero Candela, M. Sugiyama, A. Schwaighofer and N.D. Lawrence
    • Total Pages
      229
    • Publisher
      MIT Press
  • [Patent(Industrial Property Rights)] 信号処理装置, 信号処理手法, ならびに ,プログラム2007

    • Inventor(s)
      信号処理装置, 信号処理手法, ならびに, プログラム
    • Industrial Property Rights Holder
      理化学研究所
    • Industrial Property Number
      特許, 特願2007-136306
    • Filing Date
      2007-05-23
  • [Patent(Industrial Property Rights)] 分類装置, 分類方法, ならびに, プログラム2007

    • Inventor(s)
      鷲沢嘉一
    • Industrial Property Rights Holder
      理化学研究所
    • Industrial Property Number
      特許, 特願2007-195623
    • Filing Date
      2007-07-27

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Published: 2010-06-10   Modified: 2016-04-21  

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