GDL

Journal from gdlhub / 2017-08-15 10:37:46
Oleh : Tazeem Fatma, Omar Farooq, Yusuf U. Khan, Manjari Tripathi , Priyanka Sharma, King Saud University
Dibuat : 2016-10-15, dengan 1 file

Keyword : EEG Feature extraction Non-convulsive seizures Seizure detection Wilson amplitude
Url : http://www.sciencedirect.com/science/article/pii/S1319157815000981
Sumber pengambilan dokumen : web

Detection of non-convulsive seizures (NCSz) is a challenging task because they lack convulsions, meaning no physical visible symptoms are there to detect the presence of a seizure activity. Hence their diagnosis is not easy, also continuous observation of full length EEG for the detection of non-convulsive seizures (NCSz) by an expert or a technician is a very exhaustive, time consuming job. A technique for the automatic detection of NCSz is proposed in this paper. The database used in this research was recorded at the All India Institute of Medical Sciences (AIIMS), New Delhi. 13 EEG recordings of 9 subjects consisting of a total 23 seizures of 29.42 min duration were used for analysis. Normalized modified Wilson amplitude is used as a key feature to classify between normal and seizure activity. The main advantage of this study lies in the fact that no classifier is used here and hence algorithm is very simple and computationally fast. With the use of only one feature, all of the seizures under test were detected correctly, and hence the median sensitivity and specificity of 100% and 99.21% were achieved respectively.

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