Auto-adaptive and dynamical clustering neural network

Authors:
Stéphane Lecoeuche;Christophe Lurette
Affiliations:
Département Génie Informatique et Productique, École des Mines de Douai, Douai, France and Laboratoire Intéraction Image et Ingénerie de la décision, Univ. des Sci. e ...;Laboratoire Intéraction Image et Ingénerie de la décision, Université des Sciences et Technologies de Lille, Villeneuve d'Ascq, France
Venue:
ICANN/ICONIP'03 Proceedings of the 2003 joint international conference on Artificial neural networks and neural information processing
Year:
2003

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Abstract

In the context of pattern recognition area, a small number of clustering techniques are dedicated to the on-line classification of non-stationary data. This paper presents a new algorithm designed with specific properties for the dynamical modeling of classes. This algorithm, called AUDyC (Auto-adaptive and Dynamical Clustering), is based on an unsupervised neural network with full auto-adaptive abilities. The classes modeling is obtained using Gaussian prototypes. Thanks to specific learning strategies, prototypes and classes are created, adapted or eliminated in order to incorporate new knowledge from on-line data. To do that, new learning rules have been developed into three stages: "Classification", "Fusion" and "Evaluation". The results show the real abilities of the AUDyC network to track classes and then to model their evolutions thanks to the adaptation of the prototypes parameters.