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Abstract
In order to reconfigure its structure from the static state in the vision odd ball task, so as to realize the intention recognition based on the characteristics of the brain functional network. The thesis proposes the intention recognition method based on resting state and P300 task state dynamic brain functional network features. First, the brain connectivity in each time window is constructed into a brain functional network using phase lock value (PLV). Then, extract the global features (global efficiency, transitivity) of the brain functional network, and use Louvain algorithm to obtain the brain functional network community. The experimental results show that in the (100-200) ms of P300 task status, the core nodes are mainly concentrated in the forehead region and the central region, while in the (300-500) ms of P300, the core nodes are concentrated in the temporal lobe. The recognition accuracy based on this method reaches 93%.
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Details
1 School of Computer Science and Technology, Xi’an University of Posts and Telecommunications , Xi’an 710121, Shaanxi , China
2 School of Computer Science and Technology, Xi’an University of Posts and Telecommunications , Xi’an 710121, Shaanxi , China; Shaanxi Key Laboratory of Network Data Analysis and Intelligent Processing , Xi’an 710121, Shaanxi , China; Xi ‘an Key Laboratory of Big Data and Intelligent Computing , Xi’an 710121, Shaanxi , China