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ASME Press Select Proceedings

International Conference on Mechanical and Electrical Technology, 3rd, (ICMET-China 2011), Volumes 1–3

By
Yi Xie
Yi Xie
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ISBN:
9780791859810
No. of Pages:
906
Publisher:
ASME Press
Publication date:
2011

An efficient procedure for matching two-dimensional contours is described. Firstly, based on the curvatures set and the corners set, the initial matching pair is determined in the process; next, the initial matching pair is validated by the geometry attribute. If the length of the arc and chord of the initial pair segments is the same in the range of error permission, the two segments can be determined as the candidate matching pair; finally, the hausdorff distance between the candidate matching pair is calculated. If the distance is in the range of admitting error, the segments can be determined as a matching pair. The performance of our method is illustrated with a realistic example.

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