Cross-subject Muscle Fatigue Detection via Adversarial and Supervised Contrastive Learning with Inception-Attention Network

• URL: http://arxiv.org/abs/2604.02670v1
• Date: Fri, 03 Apr 2026 03:03:27 GMT
• Title: Cross-subject Muscle Fatigue Detection via Adversarial and Supervised Contrastive Learning with Inception-Attention Network
• Abstract summary: The proposed model achieves 93.54% accuracy, 92.69% recall and 92.69% F1-score in three-class classification tasks.<n>It provides a robust solution for cross-subject muscle fatigue detection, offering significant guidance for rehabilitation training and assistance.
• Score: 6.645085456357115
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Muscle fatigue detection plays an important role in physical rehabilitation. Previous researches have demonstrated that sEMG offers superior sensitivity in detecting muscle fatigue compared to other biological signals. However, features extracted from sEMG may vary during dynamic contractions and across different subjects, which causes unstability in fatigue detection. To address these challenges, this research proposes a novel neural network comprising an Inception-attention module as a feature extractor, a fatigue classifier and a domain classifier equipped with a gradient reversal layer. The integrated domain classifier encourages the network to learn subject-invariant common fatigue features while minimizing subject-specific features. Furthermore, a supervised contrastive loss function is also employed to enhance the generalization capability of the model. Experimental results demonstrate that the proposed model achieved outstanding performance in three-class classification tasks, reaching 93.54% accuracy, 92.69% recall and 92.69% F1-score, providing a robust solution for cross-subject muscle fatigue detection, offering significant guidance for rehabilitation training and assistance.

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