Centroid based Multilayer Perceptron Networks

  • Authors:
  • Mikko Lehtokangas;Jukka Saarinen

  • Affiliations:
  • Tampere University of Technology, Signal Processing Laboratory, P.O. Box 553, FIN-33101 Tampere, Finland;Tampere University of Technology, Signal Processing Laboratory, P.O. Box 553, FIN-33101 Tampere, Finland

  • Venue:
  • Neural Processing Letters
  • Year:
  • 1998

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Abstract

In this study we investigate a hybrid neural network architecture formodelling purposes. The proposed network is based on the multilayerperceptron (MLP) network. However, in addition to the usual hidden layersthe first hidden layer is selected to be a centroid layer. Each unit inthis new layer incorporates a centroid that is located somewhere in theinput space. The output of these units is the Euclidean distance betweenthe centroid and the input. The centroid layer clearly resembles thehidden layer of the radial basis function (RBF) networks. Therefore thecentroid based multilayer perceptron (CMLP) networks can be regarded as ahybrid of MLP and RBF networks. The presented benchmark experiments showthat the proposed hybrid architecture is able to combine the goodproperties of MLP and RBF networks resulting fast and efficient learning,and compact network structure.