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Segmentation of histological images using a metaheuristic-based level set approach

Abstract : This paper presents a two-phase method to segment the hippocampus in histological images. The first phase represents a training stage where, from a training set of manually labelled images, the hippocampus representative shape and texture are derived. The second one, the proper segmentation, uses a metaheuristic to evolve the contour of a geometric deformable model using region and texture information. Three different metaheuristics (real-coded GA, Particle Swarm Optimization and Differential Evolution) and two classical segmentation algorithms (Chan & Vese model and Geodesic Active Contours) were compared over a test set of 10 histological images. The best results were attained by the real-coded GA, achieving an average and median Dice Coefficient of 0.72 and 0.77, respectively.
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Submitted on : Wednesday, October 28, 2015 - 11:55:08 AM
Last modification on : Thursday, October 29, 2015 - 1:08:55 AM
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Pablo Mesejo, Stefano Cagnoni, Alessandro Costalunga, Davide Valeriani. Segmentation of histological images using a metaheuristic-based level set approach. 15th Genetic and Evolutionary Computation Conference companion (GECCO’13), Jul 2013, Amsterdam, Netherlands. pp.1455-1462, ⟨10.1145/2464576.2466808⟩. ⟨hal-01221602⟩



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