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2008 Fiscal Year Final Research Report

Extraction of Geometric Structures in Architecture and City Planning and Development of their Enumeration Algorithms

Research Project

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Project/Area Number 19500013
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Fundamental theory of informatics
Research InstitutionKyoto University

Principal Investigator

KATOH Naoki  Kyoto University, 大学院・工学研究科, 教授 (40145826)

Co-Investigator(Kenkyū-buntansha) TAKIZAWA Atsushi  京都大学, 大学院・工学研究科, 助教 (40304133)
Co-Investigator(Renkei-kenkyūsha) OHSAKI Makoto  京都大学, 大学院・工学研究科, 准教授 (40176855)
KOO Wonyong  南山大学, 数理情報センター, 客員研究員 (20534754)
Research Collaborator AVIS David  McGill 大学, 教授
TANIGAWA Shin-ichi  京都大学, 工学研究科・博士課程, 学生
Project Period (FY) 2007 – 2008
Keywords列挙アルゴリズム / 無交差グラフ / 幾何グラフ / 三角形分割 / 計算幾何学 / 静定グラフ / 剛板ヒンジ構造 / Molecular Conjecture
Research Abstract

得られたおもな成果は以下の通りである。膜材などの建築材料の表面写真の二値化エッジ画像から亀裂部分を認識するために、エッジ点集合を単純多角形近似するアルゴリズムを開発した。与えられた平面上の点集合を頂点集合とする無交差グラフのうち、幾何的・組合せ的制約を満たすものをすべて列挙する効率のよいアルゴリズムを開発した。組合せ剛性理論で有名なMaxwell-Laman の定理を外部拘束数が任意の個数である場合に拡張した。

  • Research Products

    (22 results)

All 2009 2008 2007

All Journal Article (9 results) (of which Peer Reviewed: 9 results) Presentation (12 results) Book (1 results)

  • [Journal Article] A Proof of the Molecular Conjecture, Proc2009

    • Author(s)
      N. Katoh and S. Tanigawa
    • Journal Title

      25th ACM Symposium on Computational Geometry (掲載決定)

    • Peer Reviewed
  • [Journal Article] Fast Enumeration Algorithms for Non-crossing Geometric Graphs2009

    • Author(s)
      N. Katoh and S. Tanigawa
    • Journal Title

      Discrete and Computational Geometry (掲載決定)

    • Peer Reviewed
  • [Journal Article] Enumerating Edge-constrained Triangulations and Edge-constrained Non-crossing Spanning Trees2009

    • Author(s)
      N. Katoh and S. Tanigawa
    • Journal Title

      Discrete Applied Mathematics (掲載決定)

    • Peer Reviewed
  • [Journal Article] , Enumeration of Optimal Pin-jointed Bistable Compliant Mechanism2009

    • Author(s)
      N. Katoh, M. Ohsaki, T. Kinoshita, S. Tanigawa, D. Avis and I. Streinu
    • Journal Title

      Structural and Multidisciplinary Optimization (掲載決定)

    • Peer Reviewed
  • [Journal Article] Geometric Spanner of Objects Under L1 Distance, The Fourteenth Annual International Computing and Combinatorics Conference (COCOON2008)2008

    • Author(s)
      Yongding Zhu, Jinhui Xu, Yang Yang, N. Katoh and S. Tanigawa
    • Journal Title

      Lecture Notes in Computer Science 5092

      Pages: 395-404

    • Peer Reviewed
  • [Journal Article] Geometric Spanner of Objects under L1 Distance, Proc.14th Annual International Computing and Combinatorics Conference2008

    • Author(s)
      Y. Zhu, J. Xu, Y. Yang, N. Katoh and S. Tanigawa
    • Journal Title

      Springer-Verlag 5092

      Pages: 395-404

    • Peer Reviewed
  • [Journal Article] Enumerating Constrained Non-crossing Minimally Rigid Frameworks2008

    • Author(s)
      D. Avis, N. Katoh, M. Ohsaki, I. Streinu and S. Tanigawa
    • Journal Title

      Discrete & Computational Geometry 40[1]

      Pages: 31-46

    • Peer Reviewed
  • [Journal Article] Trinagulating a convex polygon with fewer number of non-standard bars2007

    • Author(s)
      Y. Xu, W. Dai, N. Katoh, M. Ohsaki
    • Journal Title

      Theoretical Computer Science 389

      Pages: 143-151

    • Peer Reviewed
  • [Journal Article] Enumerating Non-crossing Minimally Rigid Frameworks2007

    • Author(s)
      D. Avis, N. Katoh, M. Ohsaki, I. Streinu, S. Tanigawa
    • Journal Title

      Graphs and Combinatorics 23[sup]

      Pages: 117-134

    • Peer Reviewed
  • [Presentation] A Proof of the Molecular Conjecture2009

    • Author(s)
      加藤直樹, 谷川眞一
    • Organizer
      電子情報通信学会大会
    • Place of Presentation
      愛媛大学
    • Year and Date
      2009-03-19
  • [Presentation] A Proof of the Molecular Conjecture2009

    • Author(s)
      加藤直樹, 谷川眞一
    • Organizer
      情報処理学会アルゴリズム研究会
    • Place of Presentation
      小樽商科大学
    • Year and Date
      2009-03-05
  • [Presentation] Combinatorial Bar-slider Rigidity2008

    • Author(s)
      N. Katoh and S. Tanigawa
    • Organizer
      The RIMS Workshop on Computational Geometry and Discrete Mathematics
    • Place of Presentation
      京都大学
    • Year and Date
      2008-10-16
  • [Presentation] Enumerations of Non-crossing Geometric Graphs2008

    • Author(s)
      N. Katoh and S. Tanigawa
    • Organizer
      The Acceleration and Visualization of Computation for Enumeration Problems
    • Place of Presentation
      京都大学
    • Year and Date
      2008-09-30
  • [Presentation] 自由度k のメカニズムの生成2008

    • Author(s)
      谷川眞一, 加藤直樹
    • Organizer
      日本建築学会大会
    • Place of Presentation
      広島大学
    • Year and Date
      2008-09-18
  • [Presentation] Fast enumeration algorithms for non-crossing geometric graphs2008

    • Author(s)
      N. Katoh and S. Tanigawa
    • Organizer
      The 24th ACM Symposium on Computational Geometry
    • Place of Presentation
      Washington DC
    • Year and Date
      2008-06-11
  • [Presentation] Enumerations of Non-crossing Geometric Graphs2008

    • Author(s)
      N. Katoh and S. Tanigawa
    • Organizer
      The First Asian Association for Algorithms and Computation Annual Meeting (AAAC 2008)
    • Place of Presentation
      Hong Kong
    • Year and Date
      2008-04-26
  • [Presentation] 静定トラス列挙アルゴリズムを利用したコンプライアンとメカニズムの生成2007

    • Author(s)
      木下拓也, 大崎純, 加藤直樹, 谷川眞一
    • Organizer
      日本建築学会大会(九州)
    • Place of Presentation
      福岡
    • Year and Date
      2007-08-31
  • [Presentation] 画像解析・画像認識による劣化膜材料の残存強度の推定2007

    • Author(s)
      柳室純, 具源龍, 瀧澤重志, 加藤直樹, 豊田宏, 藤原淳, 小田憲史
    • Organizer
      日本建築学会大会(九州)
    • Place of Presentation
      福岡
    • Year and Date
      2007-08-29
  • [Presentation] 建物のファサード画像からの建築構成要素の認識2007

    • Author(s)
      具源龍, 加藤直樹, 瀧澤重志
    • Organizer
      日本建築学会大会(九州)
    • Place of Presentation
      福岡
    • Year and Date
      2007-08-29
  • [Presentation] Enumerating Constrained Non-crossing Geometric Spanning Trees2007

    • Author(s)
      N. Katoh and S. Tanigawa
    • Organizer
      The 13th International Computing and Combinatorics Conference
    • Place of Presentation
      Canada
    • Year and Date
      2007-07-17
  • [Presentation] Enumeration of optimal pin-jointed bistable compliant mechanism , Proc2007

    • Author(s)
      N. Katoh, M. Ohsaki, T. Kinoshita, S. Tanigawa, D. Avis, I. Streinu
    • Organizer
      7th World Congress of Structural and Multidisciplinary Optimization(WCSMO7)
    • Place of Presentation
      Seoul
    • Year and Date
      2007-05-21
  • [Book] 数理計画法2007

    • Author(s)
      加藤直樹
    • Total Pages
      232
    • Publisher
      コロナ社

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

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