A new method for classification of ECG arrhythmias using neural network with adaptive activation function

In this study, new neural network models with adaptive activation function (NNAAF) were implemented to classify ECG arrhythmias. Our NNAAF models included three types named as NNAAF-1, NNAAF-2 and NNAAf-3. Activation functions with adjustable free parameters were used in hidden neurons of these mode...

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Bibliographic Details
Published in:Digital signal processing 2010-07, Vol.20 (4), p.1040-1049
Main Authors: Özbay, Yüksel, Tezel, Gülay
Format: Article
Language:English
Subjects:
Accuracy
Activation
Adaptive activation function
Adaptive neural network
Arrhythmia
Classification
ECG
Mathematical models
MLP
Neural networks
Trains
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Summary:In this study, new neural network models with adaptive activation function (NNAAF) were implemented to classify ECG arrhythmias. Our NNAAF models included three types named as NNAAF-1, NNAAF-2 and NNAAf-3. Activation functions with adjustable free parameters were used in hidden neurons of these models to improve classical MLP network. In addition, these three NNAAF models were compared with the MLP model implemented in similar conditions. Ten different types of ECG arrhythmias were selected from MIT–BIH ECG Arrhythmias Database to train NNAAFs and MLP models. Moreover, all models tested by the ECG signals of 92 patients (40 males and 52 females, average age is 39.75 ± 19.06 ). The average accuracy rate of all models in the training processing was found as 99.92%. The average accuracy rate of the all models in the test phases was obtained as 98.19.
ISSN:1051-2004
1095-4333
DOI:10.1016/j.dsp.2009.10.016