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Developing Soft Feature Selection Method by Applying Rough Set Theory

Research Project

Project/Area Number 20700203
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Sensitivity informatics/Soft computing
Research InstitutionKushiro National College of Technology

Principal Investigator

TENMOTO Hiroshi  Kushiro National College of Technology, 情報工学科, 准教授 (80321371)

Project Period (FY) 2008 – 2009
Project Status Completed (Fiscal Year 2009)
Budget Amount *help
¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Fiscal Year 2009: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2008: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Keywords感性情報学 / 画像・文書・音声等認識 / 機械学習 / ソフトコンピューティング / アルゴリズム
Research Abstract

ラフ集合理論での粒度の考え方を学習理論へ応用し、識別対象のデータを識別に最適な粒度で離散化する手法を検討した。粒度の最適化は学習サンプルの識別状況を情報量基準で評価することで行った。最適化した各特徴の粒度がその特徴の識別への貢献度評価を与えることを確認できた。従来法では各特徴の取捨選択の指標しか得られないのに対し、提案手法では特徴そのものをどの程度の精度で記述するべきかという指標を得ることができた。

Report

(3 results)
  • 2009 Annual Research Report   Final Research Report ( PDF )
  • 2008 Annual Research Report
  • Research Products

    (4 results)

All 2008

All Journal Article (2 results) (of which Peer Reviewed: 2 results) Presentation (2 results)

  • [Journal Article] Soft Feature Selection by Using a Histogram-Based Classifier.2008

    • Author(s)
      H. Tenmoto, M. Kudo
    • Journal Title

      Lecture Notes in Computer Science, Advances in Pattern Recognition 5342

      Pages: 582-591

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] Soft Feature Selection by Using a Histogram-Based Classifier2008

    • Author(s)
      H. Tenmoto
    • Journal Title

      Lecture Notes in Computer Science, Advances in Pattern Recognition 5342

      Pages: 582-591

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Presentation] Soft Feature Selection by Using a Histogram-Based Classifier.2008

    • Author(s)
      H. Tenmoto, M. Kudo
    • Organizer
      Joint IAPR International Workshops on Syntactic Pattern Recognition and Statistical Pattern Recognition
    • Place of Presentation
      Orlando, Florida, USA
    • Year and Date
      2008-12-05
    • Related Report
      2009 Final Research Report
  • [Presentation] Soft Feature Selection by Using a Histogram-Based Classifier2008

    • Author(s)
      H. Tenmoto
    • Organizer
      Joint IAPR International Workshops on Syntactical and Structural Pattern Recognition and Statistical Pattern Recognition
    • Place of Presentation
      Orlando, Florida, USA
    • Year and Date
      2008-12-05
    • Related Report
      2008 Annual Research Report

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Published: 2008-04-01   Modified: 2016-04-21  

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