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Author:

Zhang, B. (Zhang, B..) | Xu, M. (Xu, M..) | Zhang, Y. (Zhang, Y..) | Ye, S. (Ye, S..) | Chen, Y. (Chen, Y..)

Indexed by:

Scopus SCIE

Abstract:

The rapid serial visual presentation-based brain–computer interface (RSVP-BCI) system achieves the recognition of target images by extracting event-related potential (ERP) features from electroencephalogram (EEG) signals and then building target classification models. Currently, how to reduce the training and calibration time for classification models across different subjects is a crucial issue in the practical application of RSVP. To address this issue, a zero-calibration (ZC) method termed Attention-ProNet, which involves meta-learning with a prototype network integrating multiple attention mechanisms, was proposed in this study. In particular, multiscale attention mechanisms were used for efficient EEG feature extraction. Furthermore, a hybrid attention mechanism was introduced to enhance model generalization, and attempts were made to incorporate suitable data augmentation and channel selection methods to develop an innovative and high-performance ZC RSVP-BCI decoding model algorithm. The experimental results demonstrated that our method achieved a balance accuracy (BA) of 86.33% in the decoding task for new subjects. Moreover, appropriate channel selection and data augmentation methods further enhanced the performance of the network by affording an additional 2.3% increase in BA. The model generated by the meta-learning prototype network Attention-ProNet, which incorporates multiple attention mechanisms, allows for the efficient and accurate decoding of new subjects without the need for recalibration or retraining. © 2024 by the authors.

Keyword:

Attention-ProNet rapid serial visual presentation (RSVP) zero-calibration (ZC) hybrid attention mechanism prototype networks

Author Community:

  • [ 1 ] [Zhang B.]Institute of Information and Artificial Intelligence Technology, Beijing Academy of Science and Technology, Beijing, 100089, China
  • [ 2 ] [Xu M.]Faculty of Information Technology, Beijing University of Technology, Beijing, 100124, China
  • [ 3 ] [Zhang Y.]Faculty of Information Technology, Beijing University of Technology, Beijing, 100124, China
  • [ 4 ] [Ye S.]Intelligent Science and Technology, International College of Beijing University of Posts and Telecommunications, Beijing, 100083, China
  • [ 5 ] [Chen Y.]Beijing Institute of Mechanical Equipment, Beijing, 100854, China

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Source :

Bioengineering

ISSN: 2306-5354

Year: 2024

Issue: 4

Volume: 11

4 . 6 0 0

JCR@2022

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: 8

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