Classıfıcation of sleep apnea by using wavelet transform and artificial neural networks

Authors:
M. Emin Tagluk;Mehmet Akin;Necmettin Sezgin
Affiliations:
Department of Electrical and Electronics Engineering, University of Inonu, Malatya, Turkey;Department of Electrical and Electronics Engineering, University of Dicle, Diyarbakir, Turkey;Department of Electrical and Electronics Engineering, University of Dicle, Diyarbakir, Turkey
Venue:
Expert Systems with Applications: An International Journal
Year:
2010

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Abstract

This paper describes a new method to classify sleep apnea syndrome (SAS) by using wavelet transforms and an artificial neural network (ANN). The network was trained and tested for different momentum coefficients. The abdominal respiration signals are separated into spectral components by using multi-resolution wavelet transforms. These spectral components are applied to the inputs of the artificial neural network. Then the neural network was configured to give three outputs to classify the SAS situation of the patient. The apnea can be broadly classified into three types: obstructive sleep apnea (OSA), central sleep apnea (CSA) and mixed sleep apnea (MSA). During OSA, the airway is blocked while respiratory efforts continue. During CSA the airway is open, however, there are no respiratory efforts. In this paper we aim to classify sleep apnea in one of three basic types: obstructive, central and mixed.