Analysing epileptic EEGs with a visibility graph algorithm

This paper analyzes the human epileptic electroencephalogram (EEG) based on a visibility graph algorithm. A single-channel EEG is mapped into a visibility graph (VG). Then its mean degree and degree distribution on the VG are extracted. It is shown that the mean degree on a VG from an epileptic subj...

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Vydané v:2012 5th International Conference on Biomedical Engineering and Informatics s. 432 - 436
Hlavní autori: Zhu, Guohun, Li, Yan, Wen, Peng
Médium: Konferenčný príspevok..
Jazyk:English
Vydavateľské údaje: IEEE 01.10.2012
Predmet:
Australia
Classification algorithms
degree distribtuion
EEG
Electroencephalography
Epilepsy
nonlinear discriminat analysis
Seizure
Systems biology
Time series analysis
visiblity graph
ISBN:9781467311830, 1467311839
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Popis
Shrnutí:This paper analyzes the human epileptic electroencephalogram (EEG) based on a visibility graph algorithm. A single-channel EEG is mapped into a visibility graph (VG). Then its mean degree and degree distribution on the VG are extracted. It is shown that the mean degree on a VG from an epileptic subject is larger than that on a healthy subject based on the VG. The number of nodes having five degree on a VG from a healthy subject is significantly different from the number of nodes having the same degree on the VG from an epileptic subject. The mean degree and the number of nodes with five and eight degrees are used to discriminate the healthy EEGs, seizure EEGs and inter-ictal EEGs. Experimental results demonstrate that the visibility graph algorithm has a high classification accuracy to identify these three types of EEGs.
ISBN:9781467311830
1467311839
DOI:10.1109/BMEI.2012.6513212