Automatic Removal of Multiple Artifacts for Single-Channel Electroencephalography

doi:10.1007/s12204-021-2374-5

Abstract

Abstract: Removing different types of artifacts from the electroencephalography (EEG) recordings is a critical step in performing EEG signal analysis and diagnosis. Most of the existing algorithms aim for removing single type of artifacts, leading to a complex system if an EEG recording contains different types of artifacts. With the advancement in wearable technologies, it is necessary to develop an energy-efficient algorithm to deal with different types of artifacts for single-channel wearable EEG devices. In this paper, an automatic EEG artifact removal algorithm is proposed that effectively reduces three types of artifacts, i.e., ocular artifact (OA), transmission- line/harmonic-wave artifact (TA/HA), and muscle artifact (MA), from a single-channel EEG recording. The effectiveness of the proposed algorithm is verified on both simulated noisy EEG signals and real EEG from CHB- MIT dataset. The experimental results show that the proposed algorithm effectively suppresses OA, MA and TA/HA from a single-channel EEG recording as well as physical movement artifact.

Key words: wearable electroencephalography (EEG) devices, ocular artifact (OA), transmission-line/harmonic- wave artifact (TA/HA), muscle artifact (MA), EEG artifacts detection, EEG artifacts removal

CLC Number:

TP391

ZHANG Chenbei (张晨贝), SABOR Nabil, LUO Junwen (罗竣文), PU Yu (蒲宇), WANG Guoxing (王国兴), LIAN Yong∗ (连勇). Automatic Removal of Multiple Artifacts for Single-Channel Electroencephalography[J]. J Shanghai Jiaotong Univ Sci, 2022, 27(4): 437-451.

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