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Investigation on the electrocardiogram (ECG) signals is an essential way to diagnose heart disease since the ECG process is noninvasive and easy to use. This work presents a supraventricular arrhythmia prediction model consisting of a few…

信号处理 · 电气工程与系统科学 2021-12-28 Pampa Howladar , Manodipan Sahoo

Intricating cardiac complexities are the primary factor associated with healthcare costs and the highest cause of death rate in the world. However, preventive measures like the early detection of cardiac anomalies can prevent severe…

机器学习 · 计算机科学 2019-04-18 Asim Darwaish , Farid Naït-Abdesselam , Ashfaq Khokhar

The electrocardiogram (ECG) signal is the most widely used non-invasive tool for the investigation of cardiovascular diseases. Automatic delineation of ECG fiducial points, in particular the R-peak, serves as the basis for ECG processing…

信号处理 · 电气工程与系统科学 2021-02-09 Atiyeh Fotoohinasab , Toby Hocking , Fatemeh Afghah

Electrocardiogram (ECG) analysis is crucial for diagnosing heart disease, but most self-supervised learning methods treat ECG as a generic time series, overlooking physiologic semantics and rhythm-level structure. Existing contrastive…

机器学习 · 计算机科学 2026-02-27 Xin Wang , Burcu Ozek , Aruna Mohan , Amirhossein Ravari , Or Zilbershot , Fatemeh Afghah

We propose an algorithm for electrocardiogram (ECG) segmentation using a UNet-like full-convolutional neural network. The algorithm receives an arbitrary sampling rate ECG signal as an input, and gives a list of onsets and offsets of P and…

信号处理 · 电气工程与系统科学 2020-01-15 Viktor Moskalenko , Nikolai Zolotykh , Grigory Osipov

R-peak detection is crucial in electrocardiogram (ECG) signal processing as it is the basis of heart rate variability analysis. The Pan-Tompkins algorithm is the most widely used QRS complex detector for the monitoring of many cardiac…

信号处理 · 电气工程与系统科学 2024-11-11 Naimul Khan , Md Niaz Imtiaz

Background: Accurate detection of QRS complexes during mobile, ultra-long-term ECG monitoring is challenged by instances of high heart rate, dramatic and persistent changes in signal amplitude, and intermittent deformations in signal…

信号处理 · 电气工程与系统科学 2020-02-26 John Malik , Elsayed Z Soliman , Hau-Tieng Wu

Epilepsy is one of the most common and yet diverse set of chronic neurological disorders. This excessive or synchronous neuronal activity is termed seizure. Electroencephalogram signal processing plays a significant role in detection and…

信号处理 · 电气工程与系统科学 2021-09-29 Paul Grant , Md Zahidul Islam

The wavelet transform and related techniques are used to analyze singular and fractal signals. The normalized wavelet scalogram is introduced to detect singularities including jumps, cusps and other sharply changing points. The wavelet…

信号处理 · 电气工程与系统科学 2021-11-04 Hua-Liang Wei , S. A. Billings

We suggest an adaptive sampling rule for obtaining information from noisy signals using wavelet methods. The technique involves increasing the sampling rate when relatively high-frequency terms are incorporated into the wavelet estimator,…

统计理论 · 数学 2007-06-13 Peter Hall , Spiridon Penev

This paper describes a method for extracting rapidly varying, superimposed amplitude- and frequency-modulated signal components. The method is based upon the continuous wavelet transform (CWT) and uses a new wavelet which is a modification…

数学物理 · 物理学 2009-11-07 J. D. Harrop , S. N. Taraskin , S. R. Elliott

The classification of the electrocardiogram (ECG) signal has a vital impact on identifying heart-related diseases. This can ensure the premature finding of heart disease and the proper selection of the patient's customized treatment.…

Electrocardiogram (ECG) recordings have long been vital in diagnosing different cardiac conditions. Recently, research in the field of automatic ECG processing using machine learning methods has gained importance, mainly by utilizing deep…

The heart sound signals (Phonocardiogram - PCG) enable the earliest monitoring to detect a potential cardiovascular pathology and have recently become a crucial tool as a diagnostic test in outpatient monitoring to assess heart hemodynamic…

信号处理 · 电气工程与系统科学 2019-02-21 Serkan Kiranyaz , Morteza Zabihi , Ali Bahrami Rad , Anas Tahir , Turker Ince , Ridha Hamila , Moncef Gabbouj

We find that the EPE evaluation metrics of RAFT-stereo converge inconsistently in the low and high frequency regions, resulting high frequency degradation (e.g., edges and thin objects) during the iterative process. The underlying reason…

计算机视觉与模式识别 · 计算机科学 2025-05-26 Xiaobao Wei , Jiawei Liu , Dongbo Yang , Junda Cheng , Changyong Shu , Wei Wang

An essential part for the accurate classification of electrocardiogram (ECG) signals is the extraction of informative yet general features, which are able to discriminate diseases. Cardiovascular abnormalities manifest themselves in…

信号处理 · 电气工程与系统科学 2024-07-11 Maximilian P Oppelt , Maximilian Riehl , Felix P Kemeth , Jan Steffan

Multi-channel ECG-based cardiac disorders detection has an impact on cardiac care and treatment. Limitations of existing methods included variation in ECG waveforms due to the location of electrodes, high non-linearity in the signal, and…

计算机视觉与模式识别 · 计算机科学 2024-08-06 Suraj Kumar Behera , Debanjali Bhattacharya , Ninad Aithal , Neelam Sinha

An important paradigm in smart health is developing diagnosis tools and monitoring a patient's heart activity through processing Electrocardiogram (ECG) signals is a key example, sue to high mortality rate of heart-related disease. However,…

信号处理 · 电气工程与系统科学 2018-11-02 Jiaming Chen , Ali Valehi , Abolfazl Razi

The adaptive approach of strongly non-linear fast-changing signals identification is discussed. The approach is devised by adaptive sampling based on chaotic mapping in yourself of a signal. Presented sampling way may be utilized online in…

混沌动力学 · 物理学 2016-03-23 Marek Berezowski , Marcin Lawnik

Reliable fault detection is an essential requirement for safe and efficient operation of complex mechanical systems in various industrial applications. Despite the abundance of existing approaches and the maturity of the fault detection…

信号处理 · 电气工程与系统科学 2024-08-19 Tianfu Li , Chuang Sun , Ruqiang Yan , Xuefeng Chen