A charged active contour based on electrostatics

Authors:
Ronghua Yang;Majid Mirmehdi;Xianghua Xie
Affiliations:
Department of Computer Science, University of Bristol, Bristol, UK;Department of Computer Science, University of Bristol, Bristol, UK;Department of Computer Science, University of Bristol, Bristol, UK
Venue:
ACIVS'06 Proceedings of the 8th international conference on Advanced Concepts For Intelligent Vision Systems
Year:
2006

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Abstract

We propose a novel active contour model by incorporating particle based electrostatic interactions into the geometric active contour framework. The proposed active contour, embedded in level sets, propagates under the joint influence of a boundary attraction force and a boundary competition force. Unlike other contour models, the proposed vector field dynamically adapts by updating itself when a contour reaches a boundary. The model is then more invariant to initialisation and possesses better convergence abilities. Analytical and comparative results are presented on synthetic and real images.