Intelligent myoelectric pattern recognition system of 11 hand motions using ant colony optimisation method

被引：0

作者：

AlOmari, Firas ^{[1
]}

Liu, Guohai ^{[1
]}

机构：

[1] Department of Pattern Recognition and Intelligent Control, School of Electrical and Information Engineering, Jiangsu University, Xuefu Rd. 301, Zhenjiang

来源：

International Journal of Intelligent Systems Technologies and Applications | 2015年 / 14卷 / 02期

关键词：

ACO; Ant colony optimisation algorithm; Bio-signal processing; Feature selection; Human-machine interface; Intelligent control; Wavelet packet analysis;

D O I：

10.1504/IJISTA.2015.074070

中图分类号：

学科分类号：

摘要：

The selection of optimal coefficients of the feature vector (FV) is an important step to improve the classification accuracy in myoelectric pattern recognition (PR) system. In this study, the utilisation of feature selection based on a novel ant colony optimisation (ACO) approach was investigated to recognise 11 hand motions. The ACO algorithm was employed to choose the best subsets of two extracted features: root mean square (RMS) and energy of wavelet packet coefficients (EWPCs). The optimal selected subsets were utilised as an input vector of radial basis function neural network (RBFNN). The highest classification accuracy rate of 94.54% was obtained using the ACO-RBFNN classifier based on selected subsets. The proposed method shows better performance compared with regression tree classifier (REGTREE), naive Bayes classifier (NavieBayes) and K-nearest neighbour (K-NN). The average accuracy rate was decreased by 3% when 50% of white Gaussian noise was added to the acquired sEMG signal. Copyright © 2015 Inderscience Enterprises Ltd.

引用

页码：110 / 127

页数：17

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