ECG Signal Classification Technique Based on Deep Features Using Differential Evolution Algorithm Extreme Learning Machine (DEA-ELM)

Yıl 2020, Cilt: 9 Sayı: 3, 1364 - 1376, 26.09.2020

Aykut Diker , Engin Avcı

https://doi.org/10.17798/bitlisfen.649315

Öz

The movements of electrocardiogram
(ECG) signals are very important in the diagnosis of heart disorders. Machine
learning methods are widely used to classify ECG signals. The aim of this work
is to contribute to the classification of ECG signals using the Differential
Evolution Algorithm Extreme Learning Machine (DGA-ELM). In this paper, a public
heart records in Physionet was utilized to classify ECG signals. The
pre-processing was applied to eliminate the ECG signals from noise. Then, the
ECG signals were converted to spectrograms for the feature extraction stage. A
method was used originated on Convolutional Neural Network (CNN) to obtain the
attributes of ECG signals. The DGA-ELM algorithm was used to select the best
activation function. In this context, the best cost value 79.37% with a sigmoid activation function and 750 iteration in the
classification made with DGA-ELM was achieved.

Anahtar Kelimeler

Differential Evolution Algorithm, Electrocardiogram

Diferansiyel Evrim Algoritması Uç Öğrenme Makinesi (DGA-UÖM) Kullanarak Derin Özelliklere Dayalı EKG İşareti Sınıflandırma Tekniği

Öz

Elektrokardiyogram (EKG) işaretlerinin
hareketleri kalp hastalıklarının teşhisinde çok önemlidir. Makine öğrenme
yöntemleri, EKG işaretlerini sınıflandırmak için yaygın olarak
kullanılmaktadır. Bu çalışmanın amacı, Diferansiyel Evrim Algoritması Uç
Öğrenme Makinesinin (DGA-UÖM) kullanarak EKG işaretlerinin sınıflandırılmasına
katkıda bulunmaktır. Bu çalışmada, EKG iaşretlerini sınıflandırmak için
Physionet'teki açık erişimli kalp kayıtları kullanılmıştır. EKG işaretlerini
gürültüden arındımak için  ön işlem
süreci uygulanmıştır. Daha sonra, özellik çıkarımı aşaması için EKG işaretleri
spektogramlara dönüştürülmüştür. EKG işaretlerinin özelliklerini elde etmek
için Konvolüsyonel Sinir Ağına (KSA) dayanan bir yöntem kullanılmıştır. DGA-UÖM
algoritması en iyi aktivasyon fonksiyonun seçmek için kullanılmıştır. Bu
bağlamda, DGA-UÖM ile yapılan sınıflandırmada 
sigmoid aktivasyon fonksiyonu ve 750 iterasyon  ile %
79.37 en iyi maliyet değerine ulaşılmıştır.

Anahtar Kelimeler

Elektrokardiyogram, Diferansiyel Gelişim Algoritması

Kaynakça

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