Electroencephalogram signal analysis method based on graph convolutional network
A signal analysis method and EEG signal technology, applied in medical science, sensors, diagnostic recording/measurement, etc., can solve problems such as ignoring the discharge characteristics of EEG signals, not reflecting the real state of the brain well, and analyzing EEG signals
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[0022] The present invention proposes an EEG signal analysis method based on a graph convolutional network, which can effectively analyze the functional network of the brain. see figure 1 , the method for EEG signal analysis of the present invention comprises the following steps:
[0023] S1: Establishment of brain functional networks based on EEG signals.
[0024] Since EEG information is generally collected by multi-channel lead electrodes, the correlation between different electrodes can be established to establish a brain functional network. Define the area measured by each lead electrode as a node in the graph, and abstract the multi-channel EEG signal into a graph G consisting of point sets and edge sets: G=(V,E), where V is the set of nodes, Corresponding to the lead node of EEG brain number collection, E is the connecting edge.
[0025] The phase synchronization in different frequency bands of EEG signals has been proved to be a possible mechanism to explain the int...
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