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Proceedings Paper

Improving the arc detection method in the machine drawing understanding system
Author(s): Dov Dori; David Hubanks; Wenyin Liu
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Paper Abstract

Arc segmentation is essential for high-level engineering drawing understanding and is very difficult due to its high order geometry form and the mixtures of other geometry lines. We present an arc segmentation method that is implemented in the current version of the machine drawing understanding system. The method follows closely the perpendicular bisector tracing algorithm we developed before. Some important variations are being explored to improve the efficiency, lower the number of false arc detections and improve the accuracy of the detected arcs. Experimental results are presented and discussed.

Paper Details

Date Published: 3 April 1997
PDF: 11 pages
Proc. SPIE 3027, Document Recognition IV, (3 April 1997); doi: 10.1117/12.270065
Show Author Affiliations
Dov Dori, Technion--Israel Institute of Technology (Israel)
David Hubanks, Technion--Israel Institute of Technology (Israel)
Wenyin Liu, Technion--Israel Institute of Technology (Israel)


Published in SPIE Proceedings Vol. 3027:
Document Recognition IV
Luc M. Vincent; Jonathan J. Hull, Editor(s)

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