Fast classification with neural networks via confidence rating

  • Authors:
  • J. Arenas-García;V. Gómez-Verdejo;S. Muñoz-Romero;M. Ortega-Moral;A. R. Figueiras-Vidal

  • Affiliations:
  • Department of Signal Theory and Communications, Universidad Carlos III de Madrid, Leganés-Madrid, Spain;Department of Signal Theory and Communications, Universidad Carlos III de Madrid, Leganés-Madrid, Spain;Department of Signal Theory and Communications, Universidad Carlos III de Madrid, Leganés-Madrid, Spain;Department of Signal Theory and Communications, Universidad Carlos III de Madrid, Leganés-Madrid, Spain;Department of Signal Theory and Communications, Universidad Carlos III de Madrid, Leganés-Madrid, Spain

  • Venue:
  • IWANN'05 Proceedings of the 8th international conference on Artificial Neural Networks: computational Intelligence and Bioinspired Systems
  • Year:
  • 2005

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Abstract

We present a novel technique to reduce the computational burden associated to the operational phase of neural networks. To get this, we develop a very simple procedure for fast classification that can be applied to any network whose output is calculated as a weighted sum of terms, which comprises a wide variety of neural schemes, such as multi-net networks and Radial Basis Function (RBF) networks, among many others. Basically, the idea consists on sequentially evaluating the sum terms, using a series of thresholds which are associated to the confidence that a partial output will coincide with the overall network classification criterion. The possibilities of this strategy are well-illustrated by some experiments on a benchmark of binary classification problems, using RealAdaboost and RBF networks as the underlying technologies.