Efficient wavelet networks for function learning based on adaptive wavelet neuron selection

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Efficient wavelet networks for function learning based on adaptive wavelet neuron selection

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In this study, a novel four-layer architecture of wavelet network is proposed for function learning. Compared to conventional three-layer wavelet networks, the proposed one exploits adaptive wavelet neuron selection technique according to input information, so that the widespread structural redundancy is avoided. Meanwhile, it controls the scale of problem solution. Based on the proposed architecture, two wavelet networks including single-wavelet neural network and multi-wavelet neural network are built and verified for function learning. The experimental results demonstrate that our models are remarkably superior to some of the well-established three-layer wavelet networks including Zhang's model and Pati's model in terms of both speed and accuracy. Compared with Huang's real-time neural network, the proposed models have significantly better accuracy with basically similar speed.

Inspec keywords: learning (artificial intelligence); neural nets; wavelet transforms

Other keywords: function learning; single-wavelet neural network; Zhang model; structural redundancy; Pati model; multiwavelet neural network; adaptive wavelet neuron selection; four-layer architecture

Subjects: Neural computing techniques; Integral transforms; Knowledge engineering techniques

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