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Author:

Wu, Shuhan (Wu, Shuhan.) | Wang, Dan (Wang, Dan.) | Chen, Yuanfang (Chen, Yuanfang.) | Jia, Ziyu (Jia, Ziyu.) | Zhang, Yueqi (Zhang, Yueqi.) | Xu, Meng (Xu, Meng.)

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Abstract:

In motor imagery tasks, the brain often involves simultaneous activation of multiple regions, and traditional convolutional neural networks struggle to accurately represent the coordinated neural activity across these regions. Graph convolutional network GCN is suitable for representing the collaborative tasks of different brain regions by considering the connections and relationships between nodes (brain regions) in graph data. Attention-fused filter bank dual-view GCN( AFB-DVGCN) was proposed. A dual-branch network was constructed using filter banks to extract temporal and spatial information from different frequency bands. Information complementarity was achieved by a convolutional spatial feature extraction method for dual-view graphs. In order to improve the classification accuracy, the effective channel attention mechanism was utilized to enhance features and capture the interaction information between different feature maps. Validation results in the publicly available datasets BCI Competition IV-2a and OpenBMI show that AFB-DVGCN has achieved good classification performance, and the classification accuracy is significantly higher than that of the comparison networks. © 2024 Zhejiang University. All rights reserved.

Keyword:

Filter banks Brain Deep learning Convolutional neural networks Convolution Classification (of information) Neurons

Author Community:

  • [ 1 ] [Wu, Shuhan]Faculty of Information Technology, Beijing University of Technology, Beijing; 100124, China
  • [ 2 ] [Wang, Dan]Faculty of Information Technology, Beijing University of Technology, Beijing; 100124, China
  • [ 3 ] [Chen, Yuanfang]Beijing Institute of Machinery and Equipment, Beijing; 100854, China
  • [ 4 ] [Jia, Ziyu]Brainnetome Center, Institute of Automation, Chinese Academy of Sciences, Beijing; 100190, China
  • [ 5 ] [Zhang, Yueqi]Faculty of Information Technology, Beijing University of Technology, Beijing; 100124, China
  • [ 6 ] [Xu, Meng]Faculty of Information Technology, Beijing University of Technology, Beijing; 100124, China

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Source :

Journal of Zhejiang University (Engineering Science)

ISSN: 1008-973X

Year: 2024

Issue: 7

Volume: 58

Page: 1326-1335 and 1356

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 15

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