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Authors: Q. Xue 1 ; L. Igual 2 ; A. Berenguel 2 ; M. Guerrieri 3 and L. Garrido 2

Affiliations: 1 Universitat de Barcelona and Tongji University, Spain ; 2 Universitat de Barcelona, Spain ; 3 Universitat de Girona, Spain

ISBN: 978-989-758-003-1

Keyword(s): Active Contours, Affine Coordinates, Mean Value Coordinates.

Related Ontology Subjects/Areas/Topics: Applications ; Computer Vision, Visualization and Computer Graphics ; Geometry and Modeling ; Image and Video Analysis ; Image and Video Coding and Compression ; Image Formation and Preprocessing ; Image-Based Modeling ; Pattern Recognition ; Segmentation and Grouping ; Software Engineering

Abstract: In this paper, we present a new framework for image segmentation based on parametrized active contours. The contour and the points of the image space are parametrized using a set of reduced control points that have to form a closed polygon in two dimensional problems and a closed surface in three dimensional problems. By moving the control points, the active contour evolves. We use mean value coordinates as the parametrization tool for the interface, which allows to parametrize any point of the space, inside or outside the closed polygon or surface. Region-based energies such as the one proposed by Chan and Vese can be easily implemented in both two and three dimensional segmentation problems. We show the usefulness of our approach with several experiments.

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Paper citation in several formats:
Xue Q., Igual L., Berenguel A., Guerrieri M. and Garrido L. (2014). Active Contour Segmentation with Affine Coordinate-based Parametrization.In Proceedings of the 9th International Conference on Computer Vision Theory and Applications - Volume 1: VISAPP, (VISIGRAPP 2014) ISBN 978-989-758-003-1, pages 5-14. DOI: 10.5220/0004677200050014

@conference{visapp14,
author={Q. Xue and L. Igual and A. Berenguel and M. Guerrieri and L. Garrido},
title={Active Contour Segmentation with Affine Coordinate-based Parametrization},
booktitle={Proceedings of the 9th International Conference on Computer Vision Theory and Applications - Volume 1: VISAPP, (VISIGRAPP 2014)},
year={2014},
pages={5-14},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0004677200050014},
isbn={978-989-758-003-1},
}

TY - CONF

JO - Proceedings of the 9th International Conference on Computer Vision Theory and Applications - Volume 1: VISAPP, (VISIGRAPP 2014)
TI - Active Contour Segmentation with Affine Coordinate-based Parametrization
SN - 978-989-758-003-1
AU - Xue Q.
AU - Igual L.
AU - Berenguel A.
AU - Guerrieri M.
AU - Garrido L.
PY - 2014
SP - 5
EP - 14
DO - 10.5220/0004677200050014

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