A comparative study of DWT, CWT and DCT transformations in ECG arrhythmias classification

H Khorrami, M Moavenian - Expert systems with Applications, 2010 - Elsevier
In this study we have proposed and compared use of CWT (Continues Wavelet Transform)
with two powerful data transformation techniques DWT (Discrete Wavelet Transform), and …

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

Y Özbay, G Tezel - Digital Signal Processing, 2010 - Elsevier
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 …

Exploring the complementarity of THz pulse imaging and DCE-MRIs: Toward a unified multi-channel classification and a deep learning framework

XX Yin, Y Zhang, J Cao, JL Wu… - Computer methods and …, 2016 - Elsevier
We provide a comprehensive account of recent advances in biomedical image analysis and
classification from two complementary imaging modalities: terahertz (THz) pulse imaging …

Frequency band analysis of electrocardiogram (ECG) signals for human emotional state classification using discrete wavelet transform (DWT)

M Murugappan, S Murugappan… - Journal of physical …, 2013 - jstage.jst.go.jp
[Purpose] Intelligent emotion assessment systems have been highly successful in a variety
of applications, such as e-learning, psychology, and psycho-physiology. This study aimed to …

Classification of ECG arrhythmia with machine learning techniques

HI Bulbul, N Usta, M Yildiz - 2017 16th IEEE International …, 2017 - ieeexplore.ieee.org
The ECG uses some methods to diagnose these cardiac arrhythmias and tries to correct the
diagnosis. ECG signals are characterized by a collection of waves such as P, Q, R, S, T …

Neural network and wavelet average framing percentage energy for atrial fibrillation classification

K Daqrouq, A Alkhateeb, MN Ajour, A Morfeq - Computer methods and …, 2014 - Elsevier
ECG signals are an important source of information in the diagnosis of atrial conduction
pathology. Nevertheless, diagnosis by visual inspection is a difficult task. This work …

Automatic diagnosis of premature ventricular contraction based on Lyapunov exponents and LVQ neural network

X Liu, H Du, G Wang, S Zhou, H Zhang - Computer methods and programs …, 2015 - Elsevier
Premature ventricular contraction (PVC) is a common type of abnormal heartbeat. Without
early diagnosis and proper treatment, PVC may result in serious harms. Diagnosis of PVC is …

A new approach to detection of ECG arrhythmias: Complex discrete wavelet transform based complex valued artificial neural network

Y Özbay - Journal of Medical Systems, 2009 - Springer
This paper presents the new automated detection method for electrocardiogram (ECG)
arrhythmias. The detection system is implemented with integration of complex valued feature …

Arrhythmia detection using multi-lead ECG spectra and Complex Support Vector Machine Classifiers

N Jannah, S Hadjiloucas, J Al-Malki - Procedia Computer Science, 2021 - Elsevier
Electrocardiograms (ECG) are extensively used for the diagnosis of cardiac arrhythmias.
This work investigates the use of machine learning classification algorithms for ECG …

Pattern identification of biomedical images with time series: Contrasting THz pulse imaging with DCE-MRIs

XX Yin, S Hadjiloucas, Y Zhang, MY Su, Y Miao… - Artificial intelligence in …, 2016 - Elsevier
Objective We provide a survey of recent advances in biomedical image analysis and
classification from emergent imaging modalities such as terahertz (THz) pulse imaging (TPI) …