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ECG Signals Classification using Statistical and Wavelet Features

2020 International journal of recent technology and engineering  
This work intentionally carryout, signal preprocessing of electroencephalography, feature extraction using statistical and wavelet and SVM-RFE established classification for arrhythmic is achieved to differentiate  ...  The features of wavelet (such as the information of RR-interval) are calculated and sequenced to features of statistical to organize the final set of feature, which is then consumed to characterize and  ...  Heart Rate Variability Initially, it is quite essential to extract the characterized Heart Rate Variability signals from the ECG signals.  ... 
doi:10.35940/ijrte.d8857.018520 fatcat:7drrxzyvy5dergclq7ysn7l4pu

J Wave Autodetection Using Analytic Time-Frequency Flexible Wavelet Transformation Applied on ECG Signals

Deng-ao Li, Jie Zhou, Jumin Zhao, Xinyan Liu
2018 Mathematical Problems in Engineering  
We have used ATFFWT to decompose the processed ECG signals into the desired subbands. Further, Fuzzy Entropy (FE) is computed from each subband to capture more hidden and meaningful information.  ...  Feature scoring method is applied to select optimal feature set. Finally, the extracted features are fed to Least Squares-Support Vector Machine (LS-SVM) classifier.  ...  Fuzzy Entropy is extracted as nonlinear feature from the each beat segment from the standard ECG signals. Therefore, Fuzzy Entropy is computed on the real value of detail coefficients at each level.  ... 
doi:10.1155/2018/6791405 fatcat:x5bo6yrlkrcebfxw6i2oixe6b4

Computational Diagnostic Techniques for Electrocardiogram Signal Analysis

Liping Xie, Zilong Li, Yihan Zhou, Yiliu He, Jiaxin Zhu
2020 Sensors  
The procedure of ECG signals analysis is discussed in several subsections, including data preprocessing, feature engineering, classification, and application.  ...  Cardiovascular diseases (CVDs), including asymptomatic myocardial ischemia, angina, myocardial infarction, and ischemic heart failure, are the leading cause of death globally.  ...  The nonlinear features were computed on decomposed detail sub-band derived from ECG signals using TQWT.  ... 
doi:10.3390/s20216318 pmid:33167558 pmcid:PMC7664289 fatcat:echda3mznbekrclhwj3e774gc4

Online Automatic Diagnosis System of Cardiac Arrhythmias Based on MIT-BIH ECG Database

Wei Yan, Zhen Zhang, Kaijian Xia
2021 Journal of Healthcare Engineering  
Arrhythmias are a relatively common type of cardiovascular disease. Most cardiovascular diseases are often accompanied by arrhythmias.  ...  useful feature omission which cannot effectively extract the features implied behind the massive ECG signals.  ...  Acknowledgments is work in this paper was supported by Affiliated Hospital of Youjiang Medical College for Nationalities.  ... 
doi:10.1155/2021/1819112 pmid:34956556 pmcid:PMC8702318 fatcat:mq5fp2fqnzffvkeii7vxrru7j4

Enhanced Automated Diagnosis of Coronary Artery Disease Using Features Extracted from QT Interval Time Series and ST–T Waveform

Lianke Yao, Changchun Liu, Peng Li, Jikuo Wang, Yuanyuan Liu, Wang Li, Xinpei Wang, Han Li, Huan Zhang
2020 IEEE Access  
There is a growing interest in automated diagnosis of coronary artery disease (CAD) with the application of machine learning (ML) methods to the body surface electrocardiograph (ECG).  ...  The results of this study support the potential of information derived from the QT interval time-series and ST-T segment waveforms in ECG-based automated CAD detection.  ...  Jiao of the Institute of Biomedical Engineering at Shandong University, as well as all the nurses of the No. 45 inpatient area at Shandong Provincial Qianfoshan Hospital for their assistance with the data  ... 
doi:10.1109/access.2020.3008965 fatcat:no2q3jjjvzddzo3ty3iopcj2za

Application of Computational Intelligence Techniques for Cardiovascular Diagnostics [chapter]

C. Nataraj, A. Jalali, P. Ghorbani
2012 The Cardiovascular System - Physiology, Diagnostics and Clinical Implications  
They also used PCA to select The Cardiovascular System -Physiology, Diagnostics and Clinical Implications 214 and extract features from the ECG signal.  ...  Several mother wavelets, such as Morlet and Mexican-hat, have been used in ECG signal analysis for component detection and disease diagnosis ).  ...  It is also responsible for the removal of the waste product, carbon dioxide via air expired from the lungs.  ... 
doi:10.5772/38032 fatcat:pcswjpltlrbbtmiv74rztbooxm

Computerized Interpretation of Cardiovascular Physiological Signals [chapter]

Bing Nan, Mang I, Ming Chui
2010 Decision Support Systems Advances in  
Thus it provides useful information about the underlying dynamical process associated with that signal. Another kind of features comes from the energy-dense components of wavelet transform.  ...  In terms of physiological signal characterization, the ratios of all wavelet scales, except the first one, were chosen for relative wavelet energy (Fig. 9) .  ...  Computerized Interpretation of Cardiovascular Physiological Signals, Decision Support Systems Advances in, Ger Devlin (Ed.), ISBN: 978-953-307-069-8, InTech, Available from:  ... 
doi:10.5772/39395 fatcat:fkcvwhlg3najndnzk7si6uolsm

Opportunities for utilizing polysomnography signals to characterize obstructive sleep apnea subtypes and severity

Diego R Mazzotti, Diane C Lim, Kate Sutherland, Lia Bittencourt, Jesse W Mindel, Ulysses Magalang, Allan I Pack, Philip de Chazal, Thomas Penzel
2018 Physiological Measurement  
Currently, respiratory signals are used to count apneas and hypopneas, but patterns such as inspiratory flow signals can be used to predict optimal OSA treatment.  ...  Obstructive Sleep Apnea (OSA) is a heterogeneous sleep disorder with many pathophysiological pathways to disease.  ...  We also acknowledge the following funding agency: Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq, Grant number 401569/2016-0, for author Lia Bittencourt) and National Institutes of  ... 
doi:10.1088/1361-6579/aad5fe pmid:30047487 pmcid:PMC6219393 fatcat:fnwscldk2vecrmeghk3wpliphm

Research and Development of Electrocardiogram P-wave Detection Technology

Zhang Hongjun
2015 Open Automation and Control Systems Journal  
In addition, some types of analyses and comparison of detection algorithms were carried out. Finally ECG P-wave direction was identified.  ...  In this study, a brief overview on the ECG P-wave automatic detection was presented, including the P-wave of ECG preprocessing techniques and several common detection methods.  ...  [26] extracted ECG feature value by wavelet analysis, and followed the identification of feather by using artificial neural networks.  ... 
doi:10.2174/1874444301507011981 fatcat:zgfdxuqskzcwfctgq522mmyq2u

Recurrent neural networks employing Lyapunov exponents for analysis of ECG signals

Elif Derya Übeyli
2010 Expert systems with applications  
Recurrent neural network (RNN) was implemented and used as basis for detection of variabilities of ECG signals.  ...  An approach based on the consideration that electrocardiogram (ECG) signals are chaotic signals was presented for automated diagnosis of electrocardiographic changes.  ...  The objective of the present study in the field of automated diagnosis of heart diseases/abnormalities is to extract the representative morphological features of the ECG signals (normal beat, congestive  ... 
doi:10.1016/j.eswa.2009.06.022 fatcat:hatmovhkefbc5dzqdenjj4lw34

Advances in Electrocardiogram Signal Processing and Analysis

William Sandham, David Hamilton, Pablo Laguna, Maurice Cohen
2007 EURASIP Journal on Advances in Signal Processing  
," by Zeeshan Syed et al., automated techniques are presented for analyzing large amounts of cardiovascular data without the requirement of a priori knowledge of disease states.  ...  Shamsollahi, describes a new modified wavelet transform that can be used to remove a wide range of noise from an ECG signal.  ...  ," by Zeeshan Syed et al., automated techniques are presented for analyzing large amounts of cardiovascular data without the requirement of a priori knowledge of disease states.  ... 
doi:10.1155/2007/69169 fatcat:rxxotykyh5dw5kfy3rvtrh67hq

Various scalographic representation of electrocardiograms through wavelet transform with pseudo-differential operator like operators

Md. Masudur Rahman, Toshinao Kagawa, Shuji Kawasaki, Shunya Nagai, Takayuki Okai, Hidetoshi Oya, Yumi Yahagi, Minoru W. Yoshida
2022 Journal of Advanced Simulation in Science and Engineering  
Also, for the transformed signals, several nonlinear transforms by means of nonlinear functions are performed.  ...  To derive the scalograms, for the ECG signals the Gabor wavelet transform, having the various pseudo-differential operator like operators, is applied.  ...  In particular, every year more than 50,000 people die from sudden cardiac arrest in Japan [3] , and 50% of the death are caused by cardiovascular disease in Europe [4] .  ... 
doi:10.15748/jasse.9.96 fatcat:enugfysi75c4njs5gyhtx55dx4

An Expert Clinical System For Diagnosing Obstructive Sleep Apnea With Help From The Xcsr Classifier

Ehsan Sadeghipour, Ahmad Hatam, Farzad Hosseinzadeh
2015 Journal of Mathematics and Computer Science  
In this article, an intelligent method is introduced for diagnosing obstructive sleep apnea that uses features extracted from changes in heart rate and respiratory signals in the ECG as input for training  ...  Despite the importance of this disease in our country, it has not received much attention and there are few centers for evaluating patients suffering from it.  ...  At present, many methods are used to reduce the number of signals and to extract optimal features from these signals.  ... 
doi:10.22436/jmcs.014.01.04 fatcat:7h3dgg3sprdj3ggwu3vw5u3nhu

Classification of Cardiac Arrhythmia stages using Hybrid Features Extraction with K-Nearest Neighbour classifier of ECG Signals

Vedavathi Rangappa, Lingaya's Vidyapeeth, Sahani Prasad, Alok Agarwal, Lingaya's Vidyapeeth, Lingaya's Vidyapeeth
2018 International Journal of Intelligent Engineering and Systems  
The analysis of CAD from Electrocardiogram (ECG) signals by manual techniques are quite difficult.  ...  This work presented the recognition of five types of ECG beats by using a three-step system. In the first step, Pan-Tompkins algorithm (PTA) is used for detecting the peaks in ECG signals.  ...  The WT FE approach used for extraction of wavelet coefficients were applied to ECG signal classification.  ... 
doi:10.22266/ijies2018.1231.03 fatcat:5ozww7hz5rgpzhltqtjkyy2ze4

Automatic ECG Diagnosis Using Convolutional Neural Network

Roberta Avanzato, Francesco Beritelli
2020 Electronics  
The database consisted of more than 4000 ECG signal instances extracted from outpatient ECG examinations obtained from 47 subjects: 25 males and 22 females.  ...  Cardiovascular disease (CVD) is the most common class of chronic and life-threatening diseases and, therefore, considered to be one of the main causes of mortality.  ...  For feature extraction (Peaks-P, Q, R, S, and T waves), after normalization of signals, the wavelet transform (WT) was used.  ... 
doi:10.3390/electronics9060951 fatcat:tz6rzuatc5dhle4ezzuj5t2di4
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