Mixtures of Experts Estimate A Posteriori Probabilities
ICANN '97 Proceedings of the 7th International Conference on Artificial Neural Networks
On the asymptotic normality of hierarchical mixtures-of-experts for generalized linear models
IEEE Transactions on Information Theory
Clustering of the self-organizing map
IEEE Transactions on Neural Networks
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In this paper, we introduce a new classification kernel by embedding self organized map (SOM) clustering with mixture of radial basis function (RBF) networks. The model's efficacy is demonstrated in solving a multi-class TIMIT speech recognition problem where the kernel is used to learn the multidimensional cepstral feature vectors to estimate their posterior class probabilities. The tests results have shown that this model provides a better alternative to the state of the art models achieving a significant improvement in error performance, reduction in complexity and gain in training time.