轻量级模型PaperNet实现高效癫痫脑电检测,精度高且适合嵌入式部署。
PaperNet: Efficient Temporal Convolutions and Channel Residual Attention for EEG Epilepsy Detection
- 融合时序卷积与通道残差注意力,提升特征提取效率
- 在BEED数据集上达0.96宏F1,参数仅约0.6M
- 适合资源受限设备,可解释性强,适配临床实时监测
脑电图(EEG)信号蕴含丰富的时频结构,但受噪声、个体差异和多尺度动态影响,建模困难。轻量级深度学习模型虽有潜力,但多数仅依赖局部卷积或需复杂循环模块。本文提出PaperNet,一种紧凑的混合架构,结合时序卷积、通道残差注意力模块及轻量双向循环块,用于短窗口分类。在公开的BEED: Bangalore EEG Epilepsy Dataset上,采用明确的独立受试者训练协议评估,模型在测试集上取得0.96的宏F1,参数量约0.6M,四类表现均衡。消融实验验证了时序卷积、残差注意力与循环聚合的贡献;通道注意力权重进一步揭示电极重要性。计算分析表明,PaperNet在整个流程中保持高效,适合资源受限系统实际部署。结果表明,合理结合时序滤波、通道重加权与循环上下文建模,可在不增加计算开销的前提下实现优异的EEG分类性能。
原文摘要 · Abstract (English)
Electroencephalography (EEG) signals contain rich temporal-spectral structure but are difficult to model due to noise, subject variability, and multi-scale dynamics. Lightweight deep learning models have shown promise, yet many either rely solely on local convolutions or require heavy recurrent modules. This paper presents PaperNet, a compact hybrid architecture that combines temporal convolutions, a channel-wise residual attention module, and a lightweight bidirectional recurrent block which is used for short-window classification. Using the publicly available BEED: Bangalore EEG Epilepsy Dataset, we evaluate PaperNet under a clearly defined subject-independent training protocol and compare it against established and widely used lightweight baselines. The model achieves a macro-F1 of 0.96 on the held-out test set with approximately 0.6M parameters, while maintaining balanced performance across all four classes. An ablation study demonstrates the contribution of temporal convolutions, residual attention, and recurrent aggregation. Channel-wise attention weights further offer insights into electrode relevance. Computational profiling shows that PaperNet remains efficient enough for practical deployment on resource-constrained systems through out the whole process. These results indicate that carefully combining temporal filtering, channel reweighting, and recurrent context modeling can yield strong EEG classification performance without excessive computational cost.
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