SOBINMF for Automatic Removal of Ocular Artifacts from the EEG

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  • SOBINMFによる眼電自動除去システム
  • SOBINMF ニ ヨル ガンデンジドウ ジョキョ システム

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This paper introduces a novel method to automatically remove electro-oculogram (EOG) from electroencephalogram (EEG) using second-order blind identification (SOBI) and nonnegative matrix factorization (NMF). To demonstrate the effectiveness of the proposed method, we applied SOBI, NMF, or combined SOBI and NMF (SOBINMF) to the EEG data during motor imagery task in which participants imagined moving their left or right hand. Ocular artifacts were removed more effectively in our proposed SOBINMF method compared to SOBI or NMF alone.

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