Two-Dimensional Pose Recognition for Industrial Components Based on Edge Direction and Curvature of Pixel Pair on Contour

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  • 輪郭を構成する点対のエッジ方向と曲率比に基づく2次元部品姿勢認識
  • リンカク オ コウセイ スル テン タイ ノ エッジ ホウコウ ト キョクリツヒ ニ モトヅク 2ジゲン ブヒン シセイ ニンシキ

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Abstract

This paper proposes a method to recognize poses of figures which have arbitrary locations, sizes and rotations for measuring poses of two-dimensional industrial components. A template figure is represented by line segments that consist of the edge directions and curvature ratios of a pair of pixels. In the matching process, the values in the addresses that mean the candidates for pose parameters are accumulated by using the invariable geometric parameters for pose recognition including in line segments. The location of objective figures are extracted at the peak addresses in the voting space, and the sizes and the rotation angles are obtained by relative poses included in the voting log. The experimental results, show that the poses of objective components were recognized successfully even if the components were overlapped.

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