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Multiorder polygonal approximation of digital curves
Debled-Rennesson, Isabelle (LORIA-INRIA (Vandœuvre-les-Nancy, França))
Tabbone, Salvatore (LORIA-INRIA (Vandœuvre-les-Nancy, França))
Wendling, Laurent (LORIA-INRIA (Vandœuvre-les-Nancy, França))

Date: 2005
Abstract: In this paper, we propose a quick threshold-free algorithm, which computes the angular shape of a 2D object from the points of its contour. For that, we have extended the method defined in [4, 5] to a multiorder analysis. It is based on the arithmetical definition of discrete lines [11] with variable thickness. We provide a framework to analyse a digital curve at different levels of thickness. The extremities of a segment provided at a high resolution are tracked at lower resolution in order to refine their location. The method is thresholdfree and automatically provides a partitioning of a digital curve into its meaningful parts.
Rights: Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial i la comunicació pública de l'obra, sempre que no sigui amb finalitats comercials, i sempre que es reconegui l'autoria de l'obra original. No es permet la creació d'obres derivades. Creative Commons
Language: Anglès.
Document: article ; recerca ; publishedVersion
Published in: ELCVIA : Electronic Letters on Computer Vision and Image Analysis, V. 5 n. 2 (2005) p. 98-110, ISSN 1577-5097

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DOI: 10.5565/rev/elcvia.99

13 p, 327.4 KB

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 Record created 2008-03-12, last modified 2018-11-04

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