文章详情

题名 · 作者 · 摘要 · 关键词 · DOI · 参考文献

基于黎曼流形的轻量化脑电信号分类模型

王龙,杨战海

(延安大学 数学与计算机科学学院,陕西 延安 716000)

栏目:信息化应用 · 第 2026 年第 10 期 · 页码:155-159 · 2096-4706(2026)10-0155-05 · 中图分类号:TN91 · 文献标识码:A · DOI:10.19850/j.cnki.2096-4706.2026.10.029

摘要

为提升运动想象脑电(MI-EEG)解码的精度与鲁棒性,文章提出一种密集黎曼注意力网络。该模型融合高效特征编码、二阶统计建模与层次化注意力机制:首先,通过一维卷积与空间-频谱注意力提取时空特征;其次,引入可堆叠的分层黎曼注意力块,对协方差特征进行深度建模,并结合密集连接增强特征复用;最后,利用多尺度结构实现不同时间尺度信息的建模。实验结果表明,该方法在BCI Competition IV-2a数据集上取得82.79%的平均分类准确率,显著优于EEGNet的71.95%与FBCNet的76.52%,验证了该模型在MI-EEG解码任务中的有效性与泛化能力。

关键词

脑电信号;运动想象;注意力机制;深度学习;脑机接口

参考文献

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基金项目

陕西省科技计划项目(2023-JC-QN-0744);陕西省教育厅科研计划项目(23JK0738);横向项目(YDYZH20241231)

作者简介

王龙(1999—),男,汉族,陕西延安人,硕士在读,研究方向:深度学习、脑电信号;通信作者:杨战海(1973—),男,汉族,陕西泾阳人,副教授,硕士研究生,研究方向:软件工程、网络控制。