Genetic Approaches for the Automatic Division of Topological Active Volumes

Authors:
J. Novo;N. Barreira;M. G. Penedo;J. Santos
Affiliations:
Computer Science Department, University of A Coruña, Spain;Computer Science Department, University of A Coruña, Spain;Computer Science Department, University of A Coruña, Spain;Computer Science Department, University of A Coruña, Spain
Venue:
IWINAC '09 Proceedings of the 3rd International Work-Conference on The Interplay Between Natural and Artificial Computation: Part II: Bioinspired Applications in Artificial and Natural Computation
Year:
2009

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Abstract

The Topological Active Volumes is an active model focused on 3D segmentation tasks. It is based on the 2D Topological Active Nets model and provides information about the surfaces and the inside of the detected objects in the scene. This paper proposes new optimization approaches based on Genetic Algorithms combined with a greedy local search that improve the results of the 3D segmentations and overcome some drawbacks of the model related to parameter tuning or noise conditions. The hybridization of the genetic algorithm with the local search allows the treatment of topological changes in the model, with the possibility of an automatic subdivision of the Topological Active Volume. This combination integrates the advantages of the global and local search procedures in the segmentation process.