Obstructive sleep apnea detection using SVM-based classification of ECG signal features

Sleep apnea is the instance when one either has pauses of breathing in their sleep, or has very low breath while asleep. This pause in breathing can range in frequency and duration. Obstructive sleep apnea (OSA) is the common form of sleep apnea, which is currently tested through polysomnography (PS...

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description Sleep apnea is the instance when one either has pauses of breathing in their sleep, or has very low breath while asleep. This pause in breathing can range in frequency and duration. Obstructive sleep apnea (OSA) is the common form of sleep apnea, which is currently tested through polysomnography (PSG) at sleep labs. PSG is both expensive and inconvenient as an expert human observer is required to work over night. New sleep apnea classification techniques are nowadays being developed by bioengineers for most comfortable and timely detection. This paper focuses on an automated classification algorithm which processes short duration epochs of the electrocardiogram (ECG) data. The presented classification technique is based on support vector machines (SVM) and has been trained and tested on sleep apnea recordings from subjects with and without OSA. The results show that our automated classification system can recognize epochs of sleep disorders with a high accuracy of 96.5% or higher. Furthermore, the proposed system can be used as a basis for future development of a tool for OSA screening.
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ispartof 2012 Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2012, Vol.2012, p.4938-4941
issn 1094-687X
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language eng
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source IEEE Electronic Library (IEL) Conference Proceedings
subjects Accuracy
Algorithms
Diagnosis, Computer-Assisted - methods
ECG
Electrocardiography
Electrocardiography - methods
Feature extraction
Heart Rate
Humans
Pattern Recognition, Automated - methods
Polysomnography - methods
PSG
Reproducibility of Results
RR interval
Sensitivity and Specificity
Sleep apnea
Sleep Apnea, Obstructive - diagnosis
Sleep Apnea, Obstructive - physiopathology
Support Vector Machine
Support vector machines
SVM
title Obstructive sleep apnea detection using SVM-based classification of ECG signal features
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