Article ; Online: Fuzzy inference system (FIS) - long short-term memory (LSTM) network for electromyography (EMG) signal analysis.
Biomedical physics & engineering express
2022 Volume 8, Issue 6
Abstract: A wide range of application domains,s such as remote robotic control, rehabilitation, and remote surgery, require capturing neuromuscular activities. The reliability of the application is highly dependent on an ability to decode intentions accurately ... ...
| Abstract | A wide range of application domains,s such as remote robotic control, rehabilitation, and remote surgery, require capturing neuromuscular activities. The reliability of the application is highly dependent on an ability to decode intentions accurately based on captured neuromuscular signals. Physiological signals such as Electromyography (EMG) and Electroencephalography (EEG) generated by neuromuscular activities contain intrinsic patterns for users' particular actions. Such actions can generally be classified as motor states, such as Forward, Reverse, Hand-Grip, and Hand-Release. To classify these motor states truthfully, the signals must be captured and decoded correctly. This paper proposes a novel classification technique using a Fuzzy Inference System (FIS) and a Long Short-Term Memory (LSTM) network to classify the motor states based on EMG signals. Existing EMG signal classification techniques generally rely on features derived from data captured at a specific time instance. This typical approach does not consider the temporal correlation of the signal in the entire window. This paper proposes an LSTM with a Fuzzy Logic method to classify four major hand movements: forward, reverse, raise, and lower. Features associated with the pattern generated throughout the motor state movement were extracted by exploring published data within a given time window. The classification results can achieve a 91.3% accuracy for the 4-way action (Forward/Reverse/GripUp/RelDown) and 95.1% (Forward/Reverse Action) and 96.7% (GripUp/RelDown action) for 2-way actions. The proposed mechanism demonstrates high-level, human-interpretable results that can be employed in rehabilitation or medical-device industries. |
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| MeSH term(s) | Humans ; Electromyography/methods ; Memory, Short-Term ; Reproducibility of Results ; Fuzzy Logic ; Movement/physiology |
| Language | English |
| Publishing date | 2022-11-08 |
| Publishing country | England |
| Document type | Journal Article |
| ISSN | 2057-1976 |
| ISSN (online) | 2057-1976 |
| DOI | 10.1088/2057-1976/ac9e04 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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