Visualization of neural-network gaps based on error analysis

  • Authors:

  • M. M. Kantardzic;A. A. Aly;A. S. Elmaghraby

  • Affiliations:

  • Dept. of Eng. Math. & Comput. Sci., Louisville Univ., KY;-;-

  • Venue:
  • IEEE Transactions on Neural Networks
  • Year:
  • 1999

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Abstract

Presents a methodology for detection of neural-network gaps (NNGs) based on error analysis and the visualization that is applicable to the n-dimensional I/O domain. The generalization problem in artificial neural networks (ANN) training is analyzed and the concept of NNGs is introduced. The NNGs are highly undesirable in ANN generalization and methods for detecting, analyzing, and eliminating them are necessary. Previous methods for NNG detection, based on two-dimensional (2-D) and three dimensional (3-D) visualization, were not applicable for ANNs with more than three inputs. Experiments demonstrate advantages of this new methodology, which allows better understanding of the NNG phenomena using a quantitative approach