Removing electroencephalographic artifacts: Comparison between ICA and PCA

被引:122
|
作者
Jung, TP [1 ]
Humphries, C [1 ]
Lee, TW [1 ]
Makeig, S [1 ]
McKeown, MJ [1 ]
Iragui, V [1 ]
Sejnowski, TJ [1 ]
机构
[1] Salk Inst, Computat Neurobiol Lab, San Diego, CA 92186 USA
关键词
D O I
10.1109/NNSP.1998.710633
中图分类号
TP18 [人工智能理论];
学科分类号
081104 ; 0812 ; 0835 ; 1405 ;
摘要
Pervasive electroencephalographic (EEG) artifacts associated with blinks, eye-movements, muscle noise, cardiac signals, and line noise poses a major challenge for EEG interpretation and analysis. Here, we propose a generally applicable method for removing a wide variety of artifacts from EEG records based on an extended version of an Independent Component Analysis (ICA) algorithm [2, 12] for performing blind source separation on linear mixtures of independent source signals. Our results show that ICA can effectively separate and remove contamination from a wide variety of artifactual sources in EEG records with results comparing favorably to those obtained using Principal Component Analysis.
引用
收藏
页码:63 / 72
页数:10
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