An Efficient IoT-Based Platform for Remote Real-Time Cardiac Activity Monitoring

• Published in: IEEE transactions on consumer electronics Vol. 66; no. 2; pp. 106 - 114
• Main Author: Raj, Sandeep
• Format: Journal Article
• Language: English
• Published: New York IEEE 01.05.2020; The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
• Subjects: Biomedical monitoring; Classifiers; Discrete Wavelet Transform; Discrete wavelet transforms; Electrocardiogram (ECG); Electrocardiography; Fast Fourier transformations; Feature extraction; Feature recognition; Fourier transforms; Heart diseases; machine learning; Medical services; microcontroller platform; Microcontrollers; Monitoring; Particle swarm optimization; Real time; Real-time systems; Remote monitoring; Signal monitoring; Support vector machines; Telemedicine; Warning systems; Wavelet transforms; wifi-module
• ISSN: 0098-3063; 1558-4127
• DOI: 10.1109/TCE.2020.2981511

In this article, a novel and an efficient methodology is presented for real-time monitoring of ECG signals. The method involves fast Fourier transform (FFT) based discrete wavelet transform (DWT) for extracting the features from the heartbeats which involves less computational complexity in terms of additions and multiplications operations for higher order filter lengths. These features extracted are recognized using particle swarm optimization (PSO) tuned twin support vector machines (TSVM) classifier. The TSVM classifier is four times faster than the standard SVM while the PSO technique is employed to gradually tune the classifier parameters to achieve more accuracy. The proposed methodology is implemented on IoT based microcontroller platform and validated on the benchmark Physionet data to classify 16 categories of ECG signals. Once an abnormality is detected, the platform generates a pop-up message as a warning and sends the information to a remote platform allowing hospitals to take preventive measures. The platform reported a higher overall accuracy of 95.68% than the existing studies. Further, such implementation can be utilized as a warning system in both homecare as well as tele-monitoring applications to continuously monitor the cardiac condition of a subject anywhere to the state-of-art heart disease diagnosis.