Magnetoencephalogram decoding method based on image features
A decoding method and image feature technology, applied in the field of signal processing, can solve the problem of low accuracy of brain decoding and classification
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[0030] A magnetoencephalogram decoding method based on image features, said method comprising:
[0031] S1: Obtain MEG data.
[0032] When decoding the magnetoencephalogram, it is first necessary to obtain the magnetoencephalogram data. The magnetoencephalogram data obtained in this application is not the magnetoencephalogram data at any time, but the magnetoencephalogram after signal stimulation. The brain activity after the signal stimulation is intensified, and it is easier to obtain magnetoencephalogram data. At the same time, different people will have different brain activities after receiving the same signal stimulation. According to the magnetoencephalogram data collected after the brain exercise, the brain activity of each person can be distinguished. What is the state of the brain, so that we can judge whether the brain is healthy or not.
[0033] S2: Preprocessing the MEG data to obtain primary MEG data.
[0034] Exemplarily, at 250HZ, 306 channels are used to sam...
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