The whole mesh deformation model for 2D and 3D image segmentation

Authors:
Przemyslaw Lenkiewicz;Manuela Pereira;Mário Freire;José Fernandes
Affiliations:
IT-Networks & Multimedia Group, Department of Computer Science, University of Beira Interior, Covilhã, Portugal;IT-Networks & Multimedia Group, Department of Computer Science, University of Beira Interior, Covilhã, Portugal;IT-Networks & Multimedia Group, Department of Computer Science, University of Beira Interior, Covilhã, Portugal;Microsoft Portugal, Porto Salvo, Portugal
Venue:
ICIP'09 Proceedings of the 16th IEEE international conference on Image processing
Year:
2009

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Abstract

In this paper we present a novel approach for image segmentation using Active Nets and Active Volumes. Those solutions are based on the Deformable Models, with slight difference in the method for describing the shapes of interests - instead of using a contour or a surface they represented the segmented objects with a mesh structure, which allows to describe not only the surface of the objects but also to model their interiors. This is obtained by dividing the nodes of the mesh in two categories, namely internal and external ones, which will be responsible for two different tasks. In our new approach we propose to negate this separation and use only one type of nodes. Using that assumption we manage to significantly shorten the time of segmentation while maintaining its quality.