A Self-Organizing HCMAC Neural-Network Classifier  

Oleh:

Lee, Hahn-Ming ; Chen, Chih-Ming ; Lu, Yung-Feng

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: IEEE Transactions on Neural Networks vol. 14 no. 1 (Jan. 2003), page 15-27.
Topik: NEURAL NETWORKS; self - organizing; HCMAC; neural - network

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: II36.8 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

This paper presents a self - organizing hierarchical cerebellar model arithmetic computer (HCMAC) neural - network classifier, which contains a self - organizing input space module and an HCMAC neural network. The conventional CMAC can be viewed as a basis function network (BFN) with supervised learning, and performs well in terms of its fast learning speed and local generalization capability for approximating nonlinear functions. However, the conventional CMAC has an enormous memory requirement for resolving high - dimensional classification problems, and its performance heavily depends on the approach of input space quantization. To solve these problems, this paper presents a novel supervised HCMAC neural network capable of resolving high-dimensional classification problems well. Also, in order to reduce what is often trial - and - error parameter searching for constructing memory allocation automatically, proposed herein is a self-organizing input space module that uses Shannon's entropy measure and the golden - section search method to appropriately determine the input space quantization according to the various distributions of training data sets. Experimental results indicate that the self - organizing HCMAC indeed has a fast learning ability and low memory requirement. It is a better performing network than the conventional CMAC for resolving high - dimensional classification problems. Furthermore, the self - organizing HCMAC classifier has a better classification ability than other compared classifiers.

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