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Wavelet Transform to Recognize Muscular: Force Relationship Using sEMG Signals

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Proceedings of the National Academy of Sciences, India Section A: Physical Sciences Aims and scope Submit manuscript

Abstract

Being man–machine interaction, the use of surface electromyogram (sEMG) is increasing day by day. Generally, sEMG is a complex signal and is influenced by several external factors/artifacts. As removing these artifacts is not easy, feature extraction to obtain useful information hidden inside the signal becomes a different process. This paper presents methods of analyzing sEMG signals using discrete wavelet transform for extracting accurate patterns of the sEMG signals. The results obtained suggest having a good compromise between the percentage root mean square differences, root mean square difference value for the denoising and quality of reconstruction of the sEMG signal. Further a one way separated factorial analysis was performed to find out the effectiveness of analyzed sEMG signal for discrimination among different classes of groups Various possible types of wavelets with high level parameters were tested for denoising and results show that the best mother wavelets for tolerance of noise are fifth order of symmlets and bior6.8 whereas for reconstruction, wavelet functions bior5.5 and sym3 were the best.

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Acknowledgments

The author is grateful to Dr. Amod Kumar, Chief Scientist, CSIO-Chandigarh for helping in writing this manuscript.

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Authors and Affiliations

  1. Department of Electrical and Instrumentation Engineering, Thapar University, Patiala, India

    Karan Veer

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  1. Karan Veer
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Correspondence to Karan Veer.

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Veer, K. Wavelet Transform to Recognize Muscular: Force Relationship Using sEMG Signals. Proc. Natl. Acad. Sci., India, Sect. A Phys. Sci. 86, 103–112 (2016). https://doi.org/10.1007/s40010-015-0245-x

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  • DOI: https://doi.org/10.1007/s40010-015-0245-x

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