Inter-Patient ECG Heartbeat Classification with Temporal VCG Optimized by PSO

2017-09-05 · Scientific Reports 2017 9 · Gabriel Garcia, Gladston Moreira, David Menotti, Eduardo Luz

Classifying arrhythmias can be a tough task for a human being and automating this task is highly desirable. Nevertheless fully automatic arrhythmia classification through Electrocardiogram (ECG) signals is a challenging task when the inter-patient paradigm is considered. For the inter-patient paradigm, classifiers are evaluated on signals of unknown subjects, resembling the real world scenario. In this work, we explore a novel ECG representation based on vectorcardiogram (VCG), called temporal vectorcardiogram (TVCG), along with a complex network for feature extraction. We also fine-tune the SVM classifier and perform feature selection with a particle swarm optimization (PSO) algorithm. Results for the inter-patient paradigm show that the proposed method achieves the results comparable to state-of-the-art in MIT-BIH database (53% of Positive predictive (+P) for the Supraventricular ectopic beat (S) class and 87.3% of Sensitivity (Se) for the Ventricular ectopic beat (V) class) that TVCG is a richer representation of the heartbeat and that it could be useful for problems involving the cardiac signal and pattern recognition.* Source code available from http://www.decom.ufop.br/csilab/site_media/uploads/code/tvcg_pso.zip

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Tasks

Arrhythmia Detection ECG ClassificationElectrocardiography (ECG)feature selectionGeneral Classification Heartbeat Classification

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