Radial basis function (RBF) networks have been successfully applied to function interpolation and classification problems among others. In this paper, we propose a basis function optimization method using a mixture density model. We generalize the Gaussian radial basis functions to arbitrary covariance matrices, in order to fully utilize the Gaussian probability density function. We also try to achieve a parsimonious network topology by using a systematic procedure. According to experimental results, the proposed method achieved fairly comparable performance with smaller number of hidden layer nodes to the conventional approach in terms of correct classification rates. © Springer-Verlag Berlin Heidelberg 2005.
CITATION STYLE
Ahn, S. M., & Baik, S. (2005). Minimal RBF networks by Gaussian mixture model. In Lecture Notes in Computer Science (Vol. 3644, pp. 919–927). Springer Verlag. https://doi.org/10.1007/11538059_95
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