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Automatic sleep staging is an essential tool in clinical research and medicine, designed to address people's sleep problems or disorders. Nevertheless, extracting features from multiple EEG segments and achieving precise and automated classification of sleep stages remains a challenge. To address this, a novel sleep staging framework is introduced, leveraging a sequence-to-sequence architecture tailored for sleep analysis. The time-frequency representations derived from EEG epochs are converted into sequential images via parallel filter layers. Subsequently, a multi-path structure enhances the handling of sequential data. A primary path integrates a Graph Neural Network (GNN) to better identify correlations among EEG segments, facilitating faster model convergence and enhanced predictive performance with fewer training epochs. On the auxiliary path, sequential characteristics are captured by a bidirectional recurrent network. The output from both paths is combined into the ultimate eigenvector through a fusion mechanism. The final classification is performed using a softmax layer, generating an array of predicted signs. Empirical evaluations reveal that applied to the Sleep-EDF dataset, the model proposed in this paper outperforms other models, achieving an accuracy of approximately 87.6%. © 2025 SPIE.
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ISSN: 0277-786X
Year: 2025
Volume: 13550
Language: English
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 8
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