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DOI: 10.14569/IJACSA.2019.0100426
PDF

A Comparative Analysis of Wavelet Families for the Classification of Finger Motions

Author 1: Jingwei Too
Author 2: Abdul Rahim Abdullah
Author 3: Norhashimah Mohd Saad

International Journal of Advanced Computer Science and Applications(IJACSA), Volume 10 Issue 4, 2019.

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Abstract: Wavelet transform (WT) has been widely used in biomedical, rehabilitation and engineering applications. Due to the natural characteristic of WT, its performance is mostly depending on the selection of mother wavelet function. A proper mother wavelet ensures the optimum performance; however, the selection of mother wavelet is mostly empirical and varies according to dataset. Hence, this paper aims to investigate the best mother wavelet of discrete wavelet transform (DWT) and wavelet packet transform (WPT) in the classification of different finger motions. In this study, twelve mother wavelets are evaluated for both DWT and WPT. The electromyography (EMG) data of 12 finger motions are acquired from online database. Four useful features are extracted from each recorded EMG signal via DWT and WPT transformation. Afterward, support vector machine (SVM) and linear discriminate analysis (LDA) are employed for performance evaluation. Our experimental results demonstrate Bior3.3 to be the most suitable mother wavelet in DWT. On the other hand, WPT with Bior2.2 overtakes other mother wavelets in the classification of finger motions. The results obtained suggest that Biorthogonal families are more suitable for accurate EMG signals classification.

Keywords: Mother wavelet; discrete wavelet transform; wavelet packet transform; electromyography; classification

Jingwei Too, Abdul Rahim Abdullah and Norhashimah Mohd Saad, “A Comparative Analysis of Wavelet Families for the Classification of Finger Motions” International Journal of Advanced Computer Science and Applications(IJACSA), 10(4), 2019. http://dx.doi.org/10.14569/IJACSA.2019.0100426

@article{Too2019,
title = {A Comparative Analysis of Wavelet Families for the Classification of Finger Motions},
journal = {International Journal of Advanced Computer Science and Applications},
doi = {10.14569/IJACSA.2019.0100426},
url = {http://dx.doi.org/10.14569/IJACSA.2019.0100426},
year = {2019},
publisher = {The Science and Information Organization},
volume = {10},
number = {4},
author = {Jingwei Too and Abdul Rahim Abdullah and Norhashimah Mohd Saad}
}



Copyright Statement: This is an open access article licensed under a Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, even commercially as long as the original work is properly cited.

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