繰り返し計算を用いたステレオ３次元計測による平面物体表面の座標算出法

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タイトル別名
  • An Iterative Procedure for Obtaining Three-dimensional Coordinates of a Planar Object by Stereovision
  • クリカエシ ケイサン オ モチイタ ステレオ 3ジゲン ケイソク ニ ヨル ヘイメン ブッタイ ヒョウメン ノ ザヒョウ サンシュツホウ

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抄録

An iterative method for determining three-dimensional coordinates of a planar object surface from a pair of images obtained by a stereovision is proposed. The three-dimensional coordinates of an object surface are obtained from the pair of the image coordinates of the corresponding points. Then, the camera parameters are refined using the coordinates of the object surface. Repeating this procedure, the accurate three-dimensional coordinates of the planar object surface are obtained. The effectiveness of the proposed method is validated by evaluating the three-dimensional coordinates of a planar board. In addition, the proposed method is applied to the measurement of the crack tip displacement fields and the subsequent stress intensity factors evaluation. Results show that the accu-racy for determining three-dimensional coordinates of a planar object is improved by the proposed method.

収録刊行物

  • 実験力学

    実験力学 9 (4), 376-381, 2009

    日本実験力学会

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