Active contouring based on gradient vector interaction and constrained level set diffusion

Authors:
Xianghua Xie
Affiliations:
Department of Computer Science, University of Swansea, Swansea, UK
Venue:
IEEE Transactions on Image Processing
Year:
2010

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Abstract

This paper presents an extension of our recently introduced MAC model to deal with the initialization dependency problem that commonly appears in edge-based approaches. Its dynamic force field, unique bidirectionality, and constrained diffusion-based level set evolution provide great freedom in contour initialization and show significant improvements in initialization independency compared to other edge-based techniques. It can handle more sophisticated topological changes than splitting and merging. It provides new potentials for edge-based active contour methods, particularly when detecting and localizing objects with unknown location, geometry, and topology.