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2009 Ninth International Conference on Intelligent Systems Design and Applications
A A-IFSs Based Image Segmentation Methodology for Gait Analysis
Pisa, Italy
November 30-December 02
ISBN: 978-0-7695-3872-3
In this work, image segmentation is addressed as the starting point within a motion analysis methodology intended for biomechanics behavior characterization. First, we propose a general segmentation framework that uses Atanassov’s intuitionistic fuzzy sets (A-IFSs) to determine the optimal image threshold value. Atanassov’s intuitionistic fuzzy index values are used for representing the unknowledge/ignorance of an expert on determining whether a pixel belongs to the background or the object of the image. Then, we introduce an extension of this methodology that uses a heuristic based multi-threshold approach to determine the optimal threshold. Experimental results are presented.
Index Terms:
image segmentation, fuzzy logic, Atanassov's intuitionistic fuzzy sets
Citation:
Pedro Couto, Vitor Filipe, Pedro Melo-Pinto, Humberto Bustince, Edurne Barrenechea, "A A-IFSs Based Image Segmentation Methodology for Gait Analysis," isda, pp.1318-1323, 2009 Ninth International Conference on Intelligent Systems Design and Applications, 2009
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