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An Optical Inspection System with the Ability to Identify Surface Roughness and Detect the 3-D Shape of Metal Parts

Research Project

Project/Area Number 21700211
Research Category

Grant-in-Aid for Young Scientists (B)

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

Principal Investigator

OHTANI Kozo  Hiroshima Institute of Technology, 情報学部, 准教授 (40351978)

Research Collaborator BABA Mitsuru  茨城大学, 工学部, 教授 (80156538)
YAMAMOTO Shin  広島工業大学, 大学院・工学系研究科, 博士前期課程
Project Period (FY) 2009 – 2010
Project Status Completed (Fiscal Year 2010)
Budget Amount *help
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2010: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2009: ¥3,510,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥810,000)
Keywords3次元計測 / 外観検査 / レーザレンジファインダ / 画像センサ / 光反射特性 / 探傷 / レーザスポット光 / コンピュータグラフィックス / 鏡面物体 / レーザ
Research Abstract

In industry, a laser rangefinder based on an active triangulation technique is useful because it is able to achieve a favorable balance between measurement accuracy and measurement time. However, conventional triangulation-based rangefinders are known to be difficult to apply to the 3-D shape measurement of specular objects. In this study, we proposed an advanced laser rangefinder to obtain the 3-D shape of specular objects and developed a prototype rangefinder equipped with the laser scanning simulator based on inverse raytracing to scan specular objects efficiently.

Report

(3 results)
  • 2010 Annual Research Report   Final Research Report ( PDF )
  • 2009 Annual Research Report
  • Research Products

    (24 results)

All 2011 2010 2009

All Journal Article (4 results) (of which Peer Reviewed: 2 results) Presentation (20 results)

  • [Journal Article] Evaluation of Surface Shape and Refractive Index of a Transparent Plate Based on Light Path Analysis2010

    • Author(s)
      K.Ohtani, T.Okazaki, M.Baba
    • Journal Title

      Applied Mechanics and Materials vol.36

      Pages: 458-465

    • Related Report
      2010 Final Research Report
  • [Journal Article] Recovering Shape of a Specular Object in the Presence of Interreflection2010

    • Author(s)
      L. Li, K.Ohtani, M.Baba
    • Journal Title

      Applied Mechanics and Materials vol.36

      Pages: 451-457

    • Related Report
      2010 Final Research Report
  • [Journal Article] Recovering Shape of a Specular Object in the Presence of Interreflection2010

    • Author(s)
      L.Li, K.Ohtani, M.Baba
    • Journal Title

      Applied Mechanics and Materials

      Volume: 36 Pages: 451-457

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Evaluation of Surface Shape and Refractive Index of a Transparent Plate Based on Light Path Analysis2010

    • Author(s)
      K.Ohtani, T.Okazaki, M.Baba
    • Journal Title

      Applied Mechanics and Materials

      Volume: 36 Pages: 458-465

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Presentation] 反射特性の制約を緩和した光学的3次元形状検査装置に関する研究2011

    • Author(s)
      山本真, 大谷幸三, 馬場充
    • Organizer
      日本機械学会中国四国支部第49期総会・講演会
    • Place of Presentation
      岡山理科大
    • Year and Date
      2011-03-05
    • Related Report
      2010 Final Research Report
  • [Presentation] 反射特性の制約を緩和した光学的3次元形状検査装置に関する研究2011

    • Author(s)
      山本真, 大谷幸三, 馬場充
    • Organizer
      日本機械学会中国四国支部第49期総会・講演会
    • Place of Presentation
      岡山理科大学
    • Year and Date
      2011-03-05
    • Related Report
      2010 Annual Research Report
  • [Presentation] スポット光投影法による透明物体の3次元形状と屈折率の計測2010

    • Author(s)
      大谷幸三, 馬場充
    • Organizer
      第19回計測自動制御学会中国支部学術講演会 192-193
    • Place of Presentation
      島根大
    • Year and Date
      2010-11-27
    • Related Report
      2010 Final Research Report
  • [Presentation] 鏡面物体へ適用可能な光学的外観検査装置に関する研究2010

    • Author(s)
      大谷幸三, 山本真, 馬場充
    • Organizer
      第19 回計測自動制御学会中国支部学術講演会 194-195
    • Place of Presentation
      島根大
    • Year and Date
      2010-11-27
    • Related Report
      2010 Final Research Report
  • [Presentation] スポット光投影法による透明物体の3次元形状と屈折率の計測2010

    • Author(s)
      大谷幸三, 馬場充
    • Organizer
      第19回計測自動制御学会中国支部学術講演会
    • Place of Presentation
      島根大学
    • Year and Date
      2010-11-27
    • Related Report
      2010 Annual Research Report
  • [Presentation] 鏡面物体へ適用可能な光学的外観検査装置に関する研究2010

    • Author(s)
      大谷幸三, 山本真, 馬場充
    • Organizer
      第19回計測自動制御学会中国支部学術講演会
    • Place of Presentation
      島根大学
    • Year and Date
      2010-11-27
    • Related Report
      2010 Annual Research Report
  • [Presentation] 逆光線追跡法による鏡面・透明物体の3次元表面計測2010

    • Author(s)
      大谷幸三, 福島千晴
    • Organizer
      日本溶射協会中・四国支部 第1回イブニングセミナー
    • Place of Presentation
      広島工業大学広島校舎
    • Year and Date
      2010-10-08
    • Related Report
      2010 Annual Research Report
  • [Presentation] 逆光線追跡法による鏡面物体の3次元測定システム2010

    • Author(s)
      山本真, 大谷幸三, 馬場充
    • Organizer
      第15回知能メカトロニクスワークショップ
    • Place of Presentation
      愛媛大(CD-ROM(H2))
    • Year and Date
      2010-09-02
    • Related Report
      2010 Final Research Report
  • [Presentation] 逆光線追跡法による鏡面物体の3次元測定システム2010

    • Author(s)
      山本真, 大谷幸三, 馬場充
    • Organizer
      第15回知能メカトロニクスワークショップ
    • Place of Presentation
      愛媛大学
    • Year and Date
      2010-09-02
    • Related Report
      2010 Annual Research Report
  • [Presentation] An Advanced Laser Rangefinder Equipped with a Scanning Simulator2010

    • Author(s)
      K.Ohtani, S.Yamamoto, L.Li, M.Baba
    • Organizer
      SICE Annual Conference 2010 3135-3139
    • Place of Presentation
      Taipei, Taiwan
    • Year and Date
      2010-08-21
    • Related Report
      2010 Final Research Report
  • [Presentation] An Advanced Laser Rangefinder Equipped with a Scanning Simulator2010

    • Author(s)
      K.Ohtani, S.Yamamoto, L.Li, M.Baba
    • Organizer
      SICE Annual Conference 2010
    • Place of Presentation
      台湾(台北)
    • Year and Date
      2010-08-21
    • Related Report
      2010 Annual Research Report
  • [Presentation] A Rangefinder Simulator for 3D Shape Reconstruction of an Object with Various Reflectance2010

    • Author(s)
      L.Li, K.Ohtani, M.Baba
    • Organizer
      International Conference on Precision Instrumentation and Measurement 2010 (CPIM2010) A091
    • Place of Presentation
      Gunma, Japan
    • Year and Date
      2010-03-17
    • Related Report
      2010 Final Research Report
  • [Presentation] Evaluation of Surface Shape and Refractive Index of a Transparent Plate Based on Analyzing a Light Path2010

    • Author(s)
      K.Ohtani, T.Okazaki, M.Baba
    • Organizer
      International Conference on Precision Instrumentation and Measurement 2010
    • Place of Presentation
      Kiryu City Performing Arts Center(Gunma)
    • Year and Date
      2010-03-17
    • Related Report
      2009 Annual Research Report
  • [Presentation] A Rangefinder Simulator for 3D Shape Reconstruction of an Object with Various Reflectance2010

    • Author(s)
      L.Li, K.Ohtani, M.Baba
    • Organizer
      International Conference on Precision Instrumentation and Measurement 2010
    • Place of Presentation
      Kiryu City Performing Arts Center(Gunma)
    • Year and Date
      2010-03-17
    • Related Report
      2009 Annual Research Report
  • [Presentation] Recovering Shape of a Specular Object in the Presence of Interreflection2010

    • Author(s)
      L.Li, K.Ohtani, M.Baba
    • Organizer
      International Conference on Precision Instrumentation and Measurement 2010
    • Place of Presentation
      Kiryu City Performing Arts Center(Gunma)
    • Year and Date
      2010-03-17
    • Related Report
      2009 Annual Research Report
  • [Presentation] 逆光線追跡法による鏡面物体の3次元形状計測2009

    • Author(s)
      大谷幸三, 馬場充
    • Organizer
      第18回計測自動制御学会中国支部学術講演会 258-259
    • Place of Presentation
      鳥取大
    • Year and Date
      2009-11-29
    • Related Report
      2010 Final Research Report
  • [Presentation] 逆光線追跡法による鏡面物体の3次元形状計測2009

    • Author(s)
      大谷幸三, 馬場充
    • Organizer
      第18回計測自動制御学会中国支部学術講演会
    • Place of Presentation
      鳥取大学(鳥取)
    • Year and Date
      2009-11-29
    • Related Report
      2009 Annual Research Report
  • [Presentation] A Laser Rangefinder with the Ability to Identify Surface Roughness and Detect the 3-D Shape of Metal Parts2009

    • Author(s)
      K.Ohtani, M.Baba
    • Organizer
      ICROS-SICE International Joint Conference 2009 (ICCAS-SICE2009) 3451-3456
    • Place of Presentation
      Fukuoka, Japan
    • Year and Date
      2009-08-20
    • Related Report
      2010 Final Research Report
  • [Presentation] A Laser Rangefinder with the Ability to Identify Surface Roughness and Detect the 3-D Shape of Metal Parts2009

    • Author(s)
      大谷幸三, 馬場充
    • Organizer
      ICROS-SICE International Joint Conference 2009
    • Place of Presentation
      Fukuoka International Congress Center(Fukuoka)
    • Year and Date
      2009-08-20
    • Related Report
      2009 Annual Research Report
  • [Presentation] 光学的特性に基づく溶射皮膜のはく離検出法2009

    • Author(s)
      大谷幸三, 福島千晴, 木戸光夫
    • Organizer
      日本溶射協会第89回(2009年度春季)全国講演大会
    • Place of Presentation
      たかつガーデン(大阪)
    • Year and Date
      2009-06-16
    • Related Report
      2009 Annual Research Report

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Published: 2009-04-01   Modified: 2016-04-21  

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