A Channel Selection Method for Motor Imagery EEG Based on Fisher Score of OVR-CSP | IEEE Conference Publication | IEEE Xplore

A Channel Selection Method for Motor Imagery EEG Based on Fisher Score of OVR-CSP


Abstract:

EEG is widely used in the field of brain computer interfaces. It has the advantages of being non-invasive, easy acquisition, and so on. However, multi-channel EEG signals...Show More

Abstract:

EEG is widely used in the field of brain computer interfaces. It has the advantages of being non-invasive, easy acquisition, and so on. However, multi-channel EEG signals will bring noise interference and redundant information while improving the resolution, and channel selection can reduce noise signals to obtain more real signals. Therefore, appropriate channel selection is very necessary for BCI system application. This paper proposes a Fisher score calculation method based on OVR-CSP features for channel selection and uses a transformer to classify. The experimental results show that the proposed method achieves 85.54% accuracy in selecting 16.55 channels on the public dataset BCI IV IIa.
Date of Conference: 20-22 February 2023
Date Added to IEEE Xplore: 28 March 2023
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Conference Location: Gangwon, Korea, Republic of

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