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Optimal set of EEG features in infant sleep stage classification (CROSBI ID 259608)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Čić, Maja ; Miličević, Mario ; Mazić, Igor Optimal set of EEG features in infant sleep stage classification // Turkish Journal of Electrical Engineering and Computer Sciences, 27 (2019), 1; 605-614. doi: 10.3906/elk-1710-28

Podaci o odgovornosti

Čić, Maja ; Miličević, Mario ; Mazić, Igor

engleski

Optimal set of EEG features in infant sleep stage classification

This paper evaluates six classification algorithms to assess the importance of individual EEG rhythms in the context of automatic classification of infant sleep. EEG features were obtained by Fourier transform and by a novel technique based on the empirical mode decomposition and generalized zero crossing method. Of six evaluated classification algorithms, the best classification results were obtained with the support vector machine for the combination of all presented features from four EEG channels. Three methods of attribute ranking were assessed: relief, principal component analysis, and wrapper-based optimized attribute weights. The outcomes revealed that the optimal selection of features requires one feature from every significant frequency band, either a spectral feature or a frequency dynamic feature. This means that reducing the number of features will have a minimal impact on the classification accuracy.

empirical mode decomposition ; generalized zero crossing ; sleep classification ; feature selection, support vector machine

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Podaci o izdanju

27 (1)

2019.

605-614

objavljeno

1300-0632

1303-6203

10.3906/elk-1710-28

Povezanost rada

Elektrotehnika, Računarstvo

Poveznice
Indeksiranost