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作者:

Zhang, Baiwen (Zhang, Baiwen.) | Xu, Meng (Xu, Meng.) | Zhang, Yueqi (Zhang, Yueqi.) | Ye, Sicheng (Ye, Sicheng.) | Chen, Yuanfang (Chen, Yuanfang.)

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Scopus SCIE

摘要:

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.

关键词:

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

作者机构:

  • [ 1 ] [Zhang, Baiwen]Beijing Acad Sci & Technol, Inst Informat & Artificial Intelligence Technol, Beijing 100089, Peoples R China
  • [ 2 ] [Xu, Meng]Beijing Univ Technol, Fac Informat Technol, Beijing 100124, Peoples R China
  • [ 3 ] [Zhang, Yueqi]Beijing Univ Technol, Fac Informat Technol, Beijing 100124, Peoples R China
  • [ 4 ] [Ye, Sicheng]Beijing Univ Posts & Telecommun, Intelligent Sci & Technol, Int Coll, Beijing 100083, Peoples R China
  • [ 5 ] [Chen, Yuanfang]Beijing Inst Mech Equipment, Beijing 100854, Peoples R China

通讯作者信息:

  • [Xu, Meng]Beijing Univ Technol, Fac Informat Technol, Beijing 100124, Peoples R China;;[Chen, Yuanfang]Beijing Inst Mech Equipment, Beijing 100854, Peoples R China;;

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来源 :

BIOENGINEERING-BASEL

年份: 2024

期: 4

卷: 11

4 . 6 0 0

JCR@2022

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