Improving the generalization properties of radial basis function neural networks

  • Authors:
  • Chris Bishop

  • Affiliations:
  • Neural Networks Group, AEA Technology, Harwell Laboratory, Oxfordshire OX11 0RA, United Kingdom

  • Venue:
  • Neural Computation
  • Year:
  • 1991

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Abstract

An important feature of radial basis function neural networks is the existence of a fast, linear learning algorithm in a network capable of representing complex nonlinear mappings. Satisfactory generalization in these networks requires that the network mapping be sufficiently smooth. We show that a modification to the error functional allows smoothing to be introduced explicitly without significantly affecting the speed of training. A simple example is used to demonstrate the resulting improvement in the generalization properties of the network.