期刊
NEUROCOMPUTING
卷 75, 期 1, 页码 123-134出版社
ELSEVIER
DOI: 10.1016/j.neucom.2011.03.056
关键词
q-Gaussian Radial Basis Functions Neural Networks; Hybrid Algorithms; Classification; Remote sensing; Weed discrimination and control
资金
- Spanish Inter-Ministerial Commission of Science and Technology (MICYT) [TIN 2008-06681-C06-03]
- FEDER
- Junta de Andalucia (Spain) [P08-TIC-3745]
- Junta de Andalucia [P08-TIC-3745]
A classification problem is a decision-making task that many researchers have studied. A number of techniques have been proposed to perform binary classification. Neural networks are one of the artificial intelligence techniques that has had the most successful results when applied to this problem. Our proposal is the use of q-Gaussian Radial Basis Function Neural Networks (q-Gaussian RBFNNs). This basis function includes a supplementary degree of freedom in order to adapt the model to the distribution of data. A Hybrid Algorithm (HA) is used to search for a suitable architecture for the q-Gaussian RBFNN. The use of this type of more flexible kernel could greatly improve the discriminative power of RBFNNs. In order to test performance, the RBFNN with the q-Gaussian basis functions is compared to RBFNNs with Gaussian, Cauchy and Inverse Multiquadratic RBFs, and to other recent neural networks approaches. An experimental study is presented on 11 binary-classification datasets taken from the UCI repository. Moreover, aerial imagery taken in mid-May, mid-June and mid-July was used to evaluate the potential of the methodology proposed for discriminating Ridolfia segetum patches (one of the most dominant and harmful weeds in sunflower crops) in two naturally infested fields in southern Spain. (C) 2011 Elsevier B.V. All rights reserved.
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