Abstract
This paper explores the earlier detection of CHF, and its allied Cardio Vascular Diseases (CVD) like Atrial Fibrillation (Afib) from nature-inspired optimization techniques using cardiac signals. The Beth Israel Deaconess Medical Centre (BIDMC) CHF, MIT-BIH-Afib, and Normal Sinus Rhythm (NSR) databases from the Physionet repository are utilized in this research. The Flower Pollination Algorithm (FPA), Binary Flower Pollination Algorithm (BFPA), and BFPA with Greedy Crossover approaches are applied to extract the features of CHF, Afib, and NSR cardiac classes ECG signals. Then extracted features are given into appropriate classifiers such as the SVM (Linear), SVM (Polynomial), SVM (RBF), WKNN, and NBC classifiers. The classifiers’ performance is assessed and compared by the standard performance benchmarks, such as Accuracy, F1 Score, Geometric Mean, Kappa Coefficient and Error Rate. The SVM (RBF) classifier with BFPA features achieved 97.71% overall average accuracy along with a 0.9540 kappa coefficient in {CHF} vs. {NSR} cardiac abnormality detection. The SVM (RBF) classifier with BFPA features reached 89.59% overall average accuracy along with a 0.7935 kappa coefficient in {Afib} vs. {NSR} cardiac class detection. As a result, the SVM (RBF) classifier with BFPA features outclasses all other classification techniques in detecting {CHF} vs. {NSR} cardiac abnormality classes.
Disclosure statement
No potential conflict of interest was reported by the author(s).
Additional information
Notes on contributors
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M. Gowri Shankar
M Gowri Shankar received his BE and ME degrees from Anna University, Chennai. Currently, he is pursuing his doctoral research program as a full-time research scholar in the Department of ECE, Bannari Amman Institute of Technology, Sathyamangalam, India. Corresponding author. Email: [email protected]
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C. Ganesh Babu
C Ganesh Babu is working as professor in the Department of ECE at Bannari Amman Institute of Technology, Sathyamangalam, India. He is a recognized supervisor for Anna University, Chennai. Five of his students received their PhDs in machine learning and signal processing. Email: [email protected]
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Harikumar Rajaguru
R Harikumar is presently working as professor in the Department of ECE at Bannari Amman Institute of Technology, Sathyamangalam, India. He is a recognized supervisor for Anna University, Chennai. Fifteen of his students have received PhD in machine learning and biosignal processing. Email: [email protected]