EMD and gaussian kernel function SVM-based EEG emotion classification method
A Gaussian kernel function and emotion classification technology, applied in the field of EEG emotion signal pattern recognition, can solve the problem of low accuracy
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[0030] The experiment adopts the online public data set DEAP database, and the extracted experimental data is divided into two parts, one part is the EEG signal data of the subjects, and the other part is the emotional self-evaluation data of the subjects for the MV. The processing process of the EEG data is to remove the EEG signal interference in the EEG signal by filtering method firstly, and then reduce the EEG sampling frequency to 128HZ by down-sampling method. Correlation analysis is mainly carried out on the EEG signal in the frequency domain, and the brain activity characteristics of people in the waking state are mainly concentrated in the bands with relatively fast frequency and relatively concentrated energy. Therefore, the EMD method is used to decompose the original EEG signal obtained initially into 12 Intrinsic Mode Functions (IMFs), and then extract the energy features of the IMFs in the frequency domain as feature values for subsequent sentiment classificati...
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