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Erschienen in:
2013 | OriginalPaper | Buchkapitel
An Improved Algorithm for Extraction of Exact Boundaries and Boundaries Inclusion Relationship
verfasst von : Tao Hu, Xianyi Ren, Jihong Zhang
Erschienen in: Computing and Combinatorics
Verlag: Springer Berlin Heidelberg
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Boundary extraction algorithm proposed by Capson can get the same or even better performance as the commercial software such as
VisionPro
and
Halcon
. Unfortunately, the algorithm cannot extract the inclusion relationship between boundaries, which greatly reduce its attractiveness. Two improvements is proposed to improve the original algorithm in this paper, one is to improve the precision of boundaries by splitting points and merging points, another one is to design new data-structure and rules to implement acquiring deep inclusion relationship between external and internal boundaries. Experimental results show that the improvements increase a little consuming time but make the original algorithm more attractive.