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Online Artifact Removal for Brain-Computer Interfaces Using Support Vector Machines and Blind Source Separation

机译:支持向量机和盲源分离的人机界面在线人工制品去除

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摘要

We propose a combination of blind source separation (BSS) and independent component analysis (ICA) (signal decomposition into artifacts and nonartifacts) with support vector machines (SVMs) (automatic classification) that are designed for online usage. In order to select a suitable BSS/ICA method, three ICA algorithms (JADE, Infomax, and FastICA) and one BSS algorithm (AMUSE) are evaluated to determine their ability to isolate electromyographic (EMG) and electrooculographic (EOG) artifacts into individual components. An implementation of the selected BSS/ICA method with SVMs trained to classify EMG and EOG artifacts, which enables the usage of the method as a filter in measurements with online feedback, is described. This filter is evaluated on three BCI datasets as a proof-of-concept of the method.
机译:我们提出了盲源分离(BSS)和独立成分分析(ICA)(信号分解为伪影和非伪影)与支持在线使用的支持向量机(SVM)(自动分类)的组合。为了选择合适的BSS / ICA方法,对三种ICA算法(JADE,Infomax和FastICA)和一种BSS算法(AMUSE)进行了评估,以确定它们将肌电图(EMG)和眼电图(EOG)伪像分离为单个组件的能力。 。描述了通过训练有素的SVM对EMG和EOG伪像进行分类的所选BSS / ICA方法的实现,该方法支持将该方法用作在线反馈测量中的过滤器。该过滤器在三个BCI数据集上进行评估,作为该方法的概念证明。

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