Why the study?
Previous ECG feature extraction methods faced challenges in selecting proper R-peaks and R-R intervals due to lacking pre-processing steps and feature optimization for disease classification.
An ABC optimization and ANN classification algorithm applied to ECG signals can effectively classify various cardiac arrhythmias.
DWT-ABC ECG feature optimization may aid R-peak detection; leaves open clinical validation for cardiac disease classification.
ECG feature extraction has an important role in identifying a number of cardiac diseases. Lots of work has been done in this field but the most important challenges faced in previous work are the selection of proper R-peaks and R-R intervals due to the lack of appropriate pre-processing steps like decomposition, smoothing, filtering, etc., and the optimization of the features for proper classification. In this article, DWT-based pre-processing and ABC is used for optimization of features which helps to achieve better classification accuracy. It is utilized for initial diagnosis of abnormalities. The signals are taken from MIT-BIH arrhythmia database for the analysis. The aim of the research is to classification of six diseases; Normal, Atrial, Paced, PVC, LBBB, RBBB with an ABC optimization algorithm and an ANN classification algorithm on the basis of the extracted features. Various parameters, like, FAR, FRR, and accuracy are measured for the execution. Comparative analysis is shown of the proposed and the existing work to depict the effectiveness of the work.
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Lata et al. (2019) studied this question.
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