Archives of Acoustics, 45, 4, pp. 753–764, 2020

Training RBF NN Using Sine-Cosine Algorithm for Sonar Target Classification

Yixuan WANG
Wuhan University of Technology

1) Wuhan University of Technology 2) Wuhan Huaxia University of Technology

Mohammad KHISHE
Iran University Of Science and Technology
Iran, Islamic Republic of

Iran University of Science and Technology
Iran, Islamic Republic of

Imam Khomeini Marine Science University of Nowshahr
Iran, Islamic Republic of

Radial basis function neural networks (RBF NNs) are one of the most useful tools in the classification of the sonar targets. Despite many abilities of RBF NNs, low accuracy in classification, entrapment in local minima, and slow convergence rate are disadvantages of these networks. In order to overcome these issues, the sine-cosine algorithm (SCA) has been used to train RBF NNs in this work. To evaluate the designed classifier, two benchmark underwater sonar classification problems were used. Also, an experimental underwater target classification was developed to practically evaluate the merits of the RBFbased classifier in dealing with high-dimensional real world problems. In order to have a comprehensive evaluation, the classifier is compared with the gradient descent (GD), gravitational search algorithm (GSA), genetic algorithm (GA), and Kalman filter (KF) algorithms in terms of entrapment in local
minima, the accuracy of the classification, and the convergence rate. The results show that the proposed classifier provides a better performance than other compared classifiers as it classifies the sonar datasets 2.72% better than the best benchmark classifier, on average.
Keywords: classifiers; radial basis function neural network; sine-cosine algorithm; sonar
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DOI: 10.24425/aoa.2020.135281

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