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Classification of ECG arrhythmias using multi-resolution analysis and neural networks

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2 Author(s)
Prasad, G.K. ; Dept. of Electron. & Commun. Eng., Indian Inst. of Technol. Guwahati, Assam, India ; Sahambi, J.S.

Automatic detection and classification of cardiac arrhythmias is important for diagnosis of cardiac abnormalities. We propose a method to accurately classify ECG arrhythmias through a combination of wavelets and artificial neural networks (ANN). The ability of the wavelet transform to decompose signal at various resolutions allows accurate extraction/detection of features from non-stationary signals like ECG. A set of discrete wavelet transform (DWT) coefficients, which contain the maximum information about the arrhythmia, is selected from the wavelet decomposition. These coefficients are fed to the back-propagation neural network which classifies the arrhythmias. The proposed method is capable of distinguishing the normal sinus rhythm and 12 different arrhythmias and is robust against noise. The overall accuracy of classification of the proposed approach is 96.77%.

Published in:

TENCON 2003. Conference on Convergent Technologies for the Asia-Pacific Region  (Volume:1 )

Date of Conference:

15-17 Oct. 2003