An LSTM Feature Imitation Network for Hand Movement Recognition from sEMG Signals

• URL: http://arxiv.org/abs/2405.19356v2
• Date: Mon, 30 Dec 2024 19:09:55 GMT
• Title: An LSTM Feature Imitation Network for Hand Movement Recognition from sEMG Signals
• Authors: Chuheng Wu, S. Farokh Atashzar, Mohammad M. Ghassemi, Tuka Alhanai,
• Abstract summary: We propose utilizing a feature-imitating network (FIN) for closed-form temporal feature learning over a 300ms signal window on Ninapro DB2. We observed that the LSTM-FIN network can achieve up to 99% R2 accuracy in feature reconstruction and 80% accuracy in hand movement recognition.
• Score: 2.632402517354116
• License:
• Abstract: Surface Electromyography (sEMG) is a non-invasive signal that is used in the recognition of hand movement patterns, the diagnosis of diseases, and the robust control of prostheses. Despite the remarkable success of recent end-to-end Deep Learning approaches, they are still limited by the need for large amounts of labeled data. To alleviate the requirement for big data, we propose utilizing a feature-imitating network (FIN) for closed-form temporal feature learning over a 300ms signal window on Ninapro DB2, and applying it to the task of 17 hand movement recognition. We implement a lightweight LSTM-FIN network to imitate four standard temporal features (entropy, root mean square, variance, simple square integral). We observed that the LSTM-FIN network can achieve up to 99\% R2 accuracy in feature reconstruction and 80\% accuracy in hand movement recognition. Our results also showed that the model can be robustly applied for both within- and cross-subject movement recognition, as well as simulated low-latency environments. Overall, our work demonstrates the potential of the FIN modeling paradigm in data-scarce scenarios for sEMG signal processing.

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