CLEEGN: A Convolutional Neural Network for Plug-and-Play Automatic EEG Reconstruction

Pin-Hua Lai, Wei-Chun Yang, Hsiang-Chieh Tsou, Chun-Shu Wei

Keywords: EEG, Artifact Removal, Signal Reconstruction

Abstract:

Human electroencephalography (EEG) is a brain monitoring modality that senses cortical neuroelectrophysiological activity in high-temporal resolution. One of the greatest challenges posed in applications of EEG is the unstable signal quality susceptible to inevitable artifacts during recordings. To date, most existing techniques for EEG artifact removal and reconstruction are applicable to offline analysis solely, or require individualized training data to facilitate online reconstruction.
We have proposed CLEEGN, a light-weight convolutional neural network for plug-and-play automatic EEG reconstruction. CLEEGN is based on a subject-independent pre-trained model using existing data and can operate on a new user without any further calibration. The results of simulated online validation suggest that, even without any calibration, CLEEGN can largely preserve inherent brain activity and outperforms leading online/offline artifact removal methods in the decoding accuracy of reconstructed EEG data.

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