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Study of Loss of Alertness and Driver Fatigue Using Visibility Graph Synchronization
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Author(s): Anwesha Sengupta (Indian Institute of Technology Kharagpur, India), Sibsambhu Kar (Samsung India Software Operations, India)and Aurobinda Routray (Indian Institute of Technology Kharagpur, India)
Copyright: 2016
Pages: 23
Source title:
Innovative Research in Attention Modeling and Computer Vision Applications
Source Author(s)/Editor(s): Rajarshi Pal (Institute for Development and Research in Banking Technology, India)
DOI: 10.4018/978-1-4666-8723-3.ch007
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Abstract
Electroencephalogram (EEG) is widely used to predict performance degradation of human subjects due to mental or physical fatigue. Lack of sleep or insufficient quality or quantity of sleep is one of the major reasons of fatigue. Analysis of fatigue due to sleep deprivation using EEG synchronization is a promising field of research. The present chapter analyses advancing levels of fatigue in human drivers in a sleep-deprivation experiment by studying the synchronization between EEG data. A Visibility Graph Similarity-based method has been employed to quantify the synchronization, which has been formulated in terms of a complex network. The change in the parameters of the network has been analyzed to find the variation of connectivity between brain areas and hence to trace the increase in fatigue levels of the subjects. The parameters of the brain network have been compared with those of a complex network with a random degree of connectivity to establish the small-world nature of the brain network.
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