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Abstract #3119

Ballistocardiogram Artifact Removal with a Reference Layer and Standard EEG Cap

Qingfei Luo 1 , Xiaoshan Huang 2 , and Gary H. Glover 1

1 Radiology, Stanford University, Stanford, CA, United States, 2 Biomedical Engineering, Tsinghua University, Beijing, China

The previous ballistocardiogram (BCG) artifact removal methods based on a reference layer used either a customized electrode system or complicated experimental procedures. In this work, we propose a practical and efficient reference layer method and compare its performance with the most popular method (optimal basis sets (OBS)) on alpha-wave and sensory-evoked EEG signals. By designing the reference layer as a reusable cap, this method can be used directly with a standard EEG cap and without any hard modification. The comparison results showed that it has better performance than the OBS in removing the BCG artifact.

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