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KMID : 1144120220120040343
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Biomedical Engineering Letters
2022 Volume.12 No. 4 p.343 ~ p.358
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Human lower limb activity recognition techniques, databases, challenges and its applications using sEMG signal: an overview
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Vijayvargiya Ankit
Singh Bharat
Kumar Rajesh
Tavares Joao Manuel R. S.
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Abstract
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Human lower limb activity recognition (HLLAR) has grown in popularity over the last decade mainly because to its applications in the identification and control of neuromuscular disorders, security, robotics, and prosthetics. Surface electromyography (sEMG) sensors provide various advantages over other wearable or visual sensors for HLLAR applications, including quick response, pervasiveness, no medical monitoring, and negligible infection. Recognizing lower limb activity from sEMG signals is also challenging owing to the noise in the sEMG signal. Pre- processing of sEMG signals is extremely desirable before the classification because they allow a more consistent and precise evaluation in the above applications. This article provides a segment-by-segment overview of: (1) Techniques for eliminating artifacts from sEMG signals from the lower limb. (2) A survey of existing datasets of lower limb sEMG. (3) A concise description of the various techniques for processing and classifying sEMG data for various applications involving lower limb activity. Finally, an open discussion is presented, which may result in the identification of a variety of future research possibilities for human lower limb activity recognition. Therefore, it is possible to anticipate that the framework presented in this study can aid in the advancement of sEMG-based recognition of human lower limb activity.
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KEYWORD
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Human lower limb activity recognition, Surface electromyography signal, Machine learning techniques, Biomedical signal processing, Human-machine interaction
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