EEG intent decoding method based on non-negative cp decomposition model
A decoding method and EEG technology, applied in the fields of biological signal processing and pattern recognition, which can solve problems such as ignoring interactions
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[0032] Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0033] A kind of EEG intention decoding method based on non-negative CP decomposition model of the present invention, its overall flow chart is as follows figure 1 As shown, the method includes the following steps:
[0034] Step 1, truncate the EEG data successively, and select an 8-13Hz bandpass filter for filtering, and use the bandwidth parameter as f b = 2Hz complex Morlet wavelet to obtain the frequency components of EEG and construct fourth-order tensor data Wherein, c represents the channel, f represents the frequency, t represents the time, and s represents the experiment. In this embodiment, s is 120, including 60 left and right hand EEG data;
[0035] Using 5-fold cross-validation to select the test set and training set, the left and right hand EEG data are randomly divided into 5 groups along the direction of the experimental mode, and each group of data i...
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