Epilepsy EEG Signal Recognition Method Based on Optimal Kernel Time-Frequency Distribution Visualization
A time-frequency distribution, EEG signal technology, applied in diagnostic signal processing, medical science, diagnosis and other directions, can solve problems such as strong background noise, EEG signal analysis and processing difficulty, etc.
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[0102] Five types of EEG signals were collected from 10 people, among which, type A: the EEG data of five healthy people with their eyes open, type B: the EEG data of the same five healthy people with their eyes closed, type C: five The EEG signals of the non-epileptic focal area of a patient with epilepsy without seizures, category D: the EEG signals of the same five patients with epilepsy in the epileptic focus area without seizures, category E: EEG signals of the epileptic focus during seizures in the same five patients with epilepsy. The electrode placement method of each person was placed according to the 10-20 international standard, the sampling frequency was 173.61 Hz, and the sampling time was 23.6 seconds. After preprocessing the collected raw EEG data, the denoised EEG data can be obtained. The following two examples are used to verify the effectiveness of this method: (1) the distinction between A, B and E data, by distinguishing normal EEG signals from epilepti...
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