A GEOMETRIC TRANSFORMATION METHOD OF A CABLE SURFACE IMAGE FOR CABLE-STAYED BRIDGE INSPECTION

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  • KAWAMURA Kei
    山口大学大学院 創成科学研究科電気電子情報系専攻
  • HASHIMOTO Yuya
    山口大学大学院 創成科学研究科電気電子情報系専攻
  • SHIOZAKI Masando
    三井住友建設株式会社 技術本部建設情報技術部
  • NAKAMURA Takashi
    三井住友建設株式会社 技術本部建設情報技術部

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Other Title
  • 斜材表面の画像展開図作成における曲面の平面化手法の提案

Abstract

<p> The authors have developed an automatic inspection robot for the cables of cable-stayed bridges. The robot moves along bridge cables and captures the cable surface images with cameras. Then, it can generate a panoramic image in order to detect defects on cable surface. However, it is not able to create an accurate panoramic image due to the circumference of the cable. Therefore, the geometric transformation method of a cable surface image is proposed in this study. The method expands the circumference of the cable. The experimental result shows the possibility of circumferential expansion by the method.</p>

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