Evolving simple feed-forward and recurrent ANNs for signal classification: a comparison

  • Authors:
  • Daniel Rivero;Julian Dorado;Juan Rabuñal;Alejandro Pazos

  • Affiliations:
  • Department of Information Technologies and Communications, University of A Coruña, A Coruña, Spain;Department of Information Technologies and Communications, University of A Coruña, A Coruña, Spain;Department of Information Technologies and Communications, University of A Coruña, A Coruña, Spain;Department of Information Technologies and Communications, University of A Coruña, A Coruña, Spain

  • Venue:
  • IJCNN'09 Proceedings of the 2009 international joint conference on Neural Networks
  • Year:
  • 2009

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Abstract

Among all of the Machine Learning techniques used for classification tasks, Artificial Neural Networks (ANNs) have obtained much success in their applications. However, their development usually requires a manual effort from the human expert in which several parameter configurations (architectures, training parameters, etc) are tried. This paper proposes a new evolutionary method that evolves ANNs without any participation from the human expert. This system can be used to evolve feed-forward and recurrent ANNs. A real-world problem has been used to test the behaviour of this system: detection of epileptic seizures in EEG signals. A comparison of the results obtained using recurrent and feed-forward ANNs to solve this problem is presented in this paper. This comparison shows the good accuracies obtained by this method (almost 100%). Moreover, these results show an important feature: the system tries to evolve simple ANNs, with a low number of neurons and connections (in many cases, the networks have only 1 hidden neuron).