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Differential Evolution-Based Optimization of Kernel Parameters in Radial Basis Function Networks for Classification

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  • Ch. Sanjeev Kumar Dash

    (Silicon Institute of Technology, Silicon Hills, Patia, Bhubaneswar, India)

  • Ajit Kumar Behera

    (Silicon Institute of Technology, Silicon Hills, Patia, Bhubaneswar, India)

  • Satchidananda Dehuri

    (Department of Systems Engineering, Ajou University, Suwon, South Korea)

  • Sung-Bae Cho

    (Department of Computer Science, Soft Computing Laboratory, Yonsei University, Seoul, Korea)

Abstract

In this paper a two phases learning algorithm with a modified kernel for radial basis function neural networks is proposed for classification. In phase one a new meta-heuristic approach differential evolution is used to reveal the parameters of the modified kernel. The second phase focuses on optimization of weights for learning the networks. Further, a predefined set of basis functions is taken for empirical analysis of which basis function is better for which kind of domain. The simulation result shows that the proposed learning mechanism is evidently producing better classification accuracy vis-à-vis radial basis function neural networks (RBFNs) and genetic algorithm-radial basis function (GA-RBF) neural networks.

Suggested Citation

  • Ch. Sanjeev Kumar Dash & Ajit Kumar Behera & Satchidananda Dehuri & Sung-Bae Cho, 2013. "Differential Evolution-Based Optimization of Kernel Parameters in Radial Basis Function Networks for Classification," International Journal of Applied Evolutionary Computation (IJAEC), IGI Global, vol. 4(1), pages 56-80, January.
    • Handle: RePEc:igg:jaec00:v:4:y:2013:i:1:p:56-80
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