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Analysis of OSA Syndrome from PPG Signal Using CART-PSO Classifier with Time Domain and Frequency Domain Features

N. Kins Burk Sunil1, *, R. Ganesan2, B. Sankaragomathi3
Department of Biomedical Engineering, Sethu Institute of Technology, Virudhunagar, India.
Department of Electronics and Instrumentation Engineering, Saveetha Engineering College, Chennai, India.
Department of Electronics and Instrumentation Engineering, National Engineering College, Kovilpatti, India.
* Corresponding Author: N. Kins Burk Sunil. Email: .

Computer Modeling in Engineering & Sciences 2019, 118(2), 351-375. https://doi.org/10.31614/cmes.2018.04484

Abstract

Obstructive Sleep Apnea (OSA) is a respiratory syndrome that occurs due to insufficient airflow through the respiratory or respiratory arrest while sleeping and sometimes due to the reduced oxygen saturation. The aim of this paper is to analyze the respiratory signal of a person to detect the Normal Breathing Activity and the Sleep Apnea (SA) activity. In the proposed method, the time domain and frequency domain features of respiration signal obtained from the PPG device are extracted. These features are applied to the Classification and Regression Tree (CART)-Particle Swarm Optimization (PSO) classifier which classifies the signal into normal breathing signal and sleep apnea signal. The proposed method is validated to measure the performance metrics like sensitivity, specificity, accuracy and F1 score by applying time domain and frequency domain features separately. Additionally, the performance of the CART-PSO (CPSO) classification algorithm is evaluated through comparing its measures with existing classification algorithms. Concurrently, the effect of the PSO algorithm in the classifier is validated by varying the parameters of PSO.

Keywords

Obstructive sleep apnea, photoplethysmogram signal, time domain features, frequency domain features, classification and regression tree classifier, particle swarm optimization algorithm.

Cite This Article

Kins, N., Ganesan, R., Sankaragomathi, B. (2019). Analysis of OSA Syndrome from PPG Signal Using CART-PSO Classifier with Time Domain and Frequency Domain Features. CMES-Computer Modeling in Engineering & Sciences, 118(2), 351–375.



This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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