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General Information
Editor-in-chief
Dr. Lin Huang
Metropolitan State University of Denver, USA
It's my honor to take on the position of editor in chief of IJMLC. We encourage authors to submit papers concerning any branch of machine learning and computing.
IJMLC 2018 Vol.8(2): 112-116 ISSN: 2010-3700
DOI: 10.18178/ijmlc.2018.8.2.672

Deep Autoencoder Networks Optimized with Genetic Algorithms for Efficient ECG Clustering

Tippaya Thinsungnoen, Kittisak Kerdprasop, and Nittaya Kerdprasop
Abstract—Deep analyses of electrocardiogram (ECG) signals can reveal hidden information that can be potentially useful for the accurate diagnosis of heart diseases. Time series data of ECGs are usually high dimensional and complex in their components. One of the key successes for this kind of learning is to learn from the representative data. In this research, we present Deep Autoencoder Networks (DANs) for efficient casting of time series representatives. To determine the appropriate DAN structure, we use genetic algorithms (GAs). ECG representatives are then clustered. The clustering results obtained from our proposed method are compared with those obtained using other time series representation techniques. This comparison is based on the grouping accuracy involving the correct data label and cluster purity. The experimental results show that we can cast for appropriate ECG representatives that yield better performance with regard to time series clustering with 30% improvement in grouping accuracy and 23% increase in the purity metric.

Index Terms—Time series representation, deep autoencoder networks, genetic algorithm.

T. Thinsungnoen is with the Faculty of Science and Technology, Nakhon Ratchasima Rajabhat University (NRRU), 340 Suranarai Avenue, Muang, Nakhon Ratchasima 30000, Thailand (corresponding author;tel.: +66819671907; e-mail: tippayasot@hotmail.com).
Kittisak Kerdprasop, and Nittaya Kerdprasop are with the School of Computer Engineering, SUT, Thailand (e-mail: kerdpras@sut.ac.th, nittaya@sut.ac.th).

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Cite: Tippaya Thinsungnoen, Kittisak Kerdprasop, and Nittaya Kerdprasop, "Deep Autoencoder Networks Optimized with Genetic Algorithms for Efficient ECG Clustering," International Journal of Machine Learning and Computing vol. 8, no. 2, pp. 112-116, 2018.

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