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arXiv 2201.11613cs.LGcs.CVcs.HC
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基于EEG的域不变表示学习

Domain-Invariant Representation Learning from EEG with Private Encoders

Dr. Ing. h.c. F. Porsche AG(保时捷股份公司);Ludwig-Maximilians University Munich(慕尼黑路德维希-马克西米利安大学);Karlsruhe Institute of Technology(卡尔斯鲁厄理工学院);Graz University of Technology(格拉茨工业大学);Silicon Austria Labs(奥地利硅实验室)

David Bethge, Philipp Hallgarten, Tobias Grosse-Puppendahl, Mohamed Kari, Ralf Mikut, Albrecht Schmidt, Ozan Özdenizci

摘要:

基于深度学习的脑电图(EEG)信号处理方法由于数据分布的变化而具有较差的测试时间泛化能力。当对隐私保护表示学习感兴趣时,例如在临床环境中,这成为更具挑战性的问题。为此,我们提出了一个多源学习架构,我们提取域不变的表示,从特定的私有编码器。我们的模型利用基于最大均值差异(MMD)的域对齐方法对编码表示施加域不变性,这在基于EEG的情感分类中优于最先进的方法。此外,在我们的管道中学习的表示保留了域隐私,因为特定于

英文摘要:

Deep learning based electroencephalography (EEG) signal processing methods are known to suffer from poor test-time generalization due to the changes in data distribution. This becomes a more challenging problem when privacy-preserving representation learning is of interest such as in clinical settings. To that end, we propose a multi-source learning architecture where we extract domain-invariant representations from dataset-specific private encoders. Our model utilizes a maximum-mean-discrepancy (MMD) based domain alignment approach to impose domain-invariance for encoded representations, which outperforms state-of-the-art approaches in EEG-based emotion classification. Furthermore, representations learned in our pipeline preserve domain privacy as dataset-specific private encoding alleviates the need for conventional, centralized EEG-based deep neural network training approaches with shared parameters.

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