Extended Signal-Space Separation Method for Improved Interference Suppression in MEG

Liisa Helle,Jukka Nenonen,Eric Larson,Juha Simola,Lauri Parkkonen,Samu Taulu

IEEE Transactions on Biomedical Engineering（2021）

引用 7|浏览14

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摘要

Objective: Magnetoencephalography (MEG) signals typically reflect a mixture of neuromagnetic fields, subject-related artifacts, external interference and sensor noise. Even inside a magnetically shielded room, external interference can be significantly stronger than brain signals. Methods such as signal-space projection (SSP) and signal-space separation (SSS) have been developed to suppress this r...

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关键词

Magnetic separation,Magnetic shielding,Magnetic noise,Magnetic sensors,Interference suppression,Sensor arrays,Calibration

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