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1 International Journal of Electronics and Telecommunications

1 2021

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Detection of Obstructive Sleep Apnea from ECG Signal Using SVM Based Grid Search

Valavan K. K., Manoj S., Abishek S., Gokull Vijay T. G., Vojaswwin P., Rolant Gini J., Ramachandran K. I.

International Journal of Electronics and Telecommunications

2021

Vol. 67, No. 1

5--12

Obstructive Sleep Apnea is one common form of sleep apnea and is now tested by means of a process called Polysomnography which is time-consuming, expensive and also requires a human observer throughout the study of the subject which makes it inconvenient and new detection techniques are now being developed to overcome these difficulties. Heart rate variability has proven to be related to sleep apnea episodes and thus the features from the ECG signal can be used in the detection of sleep apnea. The proposed detection technique uses Support Vector Machines using Grid search algorithm and the classifier is trained using features based on heart rate variability derived from the ECG signal. The developed system is tested using the dataset and the results show that this classification system can recognize the disorder with an accuracy rate of 89%. Further, the use of the grid search algorithm has made this system a reliable and an accurate means for the classification of sleep apnea and can serve as a basis for the future development of its screening.