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The emergence of deep learning has significantly enhanced the analysis of electrocardiograms (ECGs), a non-invasive method that is essential for assessing heart health. Despite the complexity of ECG interpretation, advanced deep learning…

Machine Learning · Computer Science 2023-06-05 Zibin Zhao

We focus on automatic feature extraction for raw audio heartbeat sounds, aimed at anomaly detection applications in healthcare. We learn features with the help of an autoencoder composed by a 1D non-causal convolutional encoder and a…

Sound · Computer Science 2021-02-25 Robert-George Colt , Csongor-Huba Várady , Riccardo Volpi , Luigi Malagò

Electrocardiogram (ECG) is a widely used reliable, non-invasive approach for cardiovascular disease diagnosis. With the rapid growth of ECG examinations and the insufficiency of cardiologists, accurate and automatic diagnosis of ECG signals…

Machine Learning · Computer Science 2020-10-21 Dongdong Zhang , Xiaohui Yuan , Ping Zhang

In this paper, we propose an algorithm denoted as HeartBEAT that tracks heart rate from wrist-type photoplethysmography (PPG) signals and simultaneously recorded three-axis acceleration data. HeartBEAT contains three major parts: spectrum…

Signal Processing · Electrical Eng. & Systems 2018-11-14 Huijie Pan , Dogancan Temel , Ghassan AlRegib

Mathematical models of cardiac electrical activity are one of the most important tools for elucidating information about the heart diagnostic. Even though it is one of the major problems in biomedical research, an efficient mathematical…

In this paper, we present a powerful, compact electrocardiogram (ECG) classification algorithm for cardiac arrhythmia diagnosis that addresses the current reliance on deep learning and convolutional neural networks (CNNs) in ECG analysis.…

The heart's electrical activity, recorded through Electrocardiography (ECG), is essential for diagnosing various cardiovascular conditions. However, many existing ECG segmentation models rely on complex, multi-layered architectures such as…

Machine Learning · Computer Science 2025-08-25 Muhammad Fathur Rohman Sidiq , Abdurrouf , Didik Rahadi Santoso

Electrocardiography (ECG) signal is a highly applied measurement for individual heart condition, and much effort have been endeavored towards automatic heart arrhythmia diagnosis based on machine learning. However, traditional machine…

Signal Processing · Electrical Eng. & Systems 2021-11-01 Ziyu Liu , Xiang Zhang

Electrocardiogram (ECG) is one of the non-invasive and low-risk methods to monitor the condition of the human heart. Any abnormal pattern(s) in the ECG signal is an indicative measure of malfunctioning of the heart, termed as arrhythmia.…

Signal Processing · Electrical Eng. & Systems 2018-10-10 Sai Manoj Pudukotai Dinakarrao , Matthias Wess

Arrhythmia, an abnormal cardiac rhythm, is one of the most common types of cardiac disease. Automatic detection and classification of arrhythmia can be significant in reducing deaths due to cardiac diseases. This work proposes a multi-class…

We report on a method that classifies heart beats according to a set of 13 classes, including cardiac arrhythmias. The method localises the QRS peak complex to define each heart beat and uses a neural network to infer the patterns…

Quantitative Methods · Quantitative Biology 2020-11-12 Carla Sofia Carvalho

Electrocardiogram (ECG) is essential for the clinical diagnosis of arrhythmias and other heart diseases, but deep learning methods based on ECG often face limitations due to the need for high-quality annotations. Although previous ECG…

Machine Learning · Computer Science 2025-02-18 Jiarui Jin , Haoyu Wang , Hongyan Li , Jun Li , Jiahui Pan , Shenda Hong

The electrocardiogram (ECG) follows a characteristic shape, which has led to the development of several mathematical models for extracting clinically important information. Our main objective is to resolve limitations of previous…

Signal Processing · Electrical Eng. & Systems 2021-09-28 Carl Böck , Péter Kovács , Pablo Laguna , Jens Meier , Mario Huemer

The human heart is a complex system exhibiting stochastic nature, as reflected in electrocardiogram (ECG) signals. ECG signal is a weak, non-stationary, and nonlinear signal, which indicates the health of a heart in terms of temporal…

Signal Processing · Electrical Eng. & Systems 2020-02-11 Chiranjit Maji , Pratyay Sengupta , Anandi Batabyal , Hirok Chaudhuri

Unbroken and broken spiral waves, in partial-differential-equation (PDE) models for cardiac tissue, are the mathematical analogs of life-threatening cardiac arrhythmias, namely, ventricular tachycardia (VT) and ventricular-fibrillation…

Biological Physics · Physics 2020-05-20 Mahesh Kumar Mulimani , Jaya Kumar Alageshan , Rahul Pandit

Feature extraction plays an important role in Electrocardiogram (ECG) Beats classification system. Compared to other popular methods, VQ method performs well in feature extraction from ECG with advantages of dimensionality reduction. In VQ…

Signal Processing · Electrical Eng. & Systems 2020-09-09 Nanyu Li , Yujuan Si , Di Wang , Tong Liu , Jinrun Yu

Accurate delineation of key waveforms in an ECG is a critical step in extracting relevant features to support the diagnosis and treatment of heart conditions. Although deep learning based methods using segmentation models to locate P, QRS,…

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…

Machine Learning · Computer Science 2026-02-27 Xin Wang , Burcu Ozek , Aruna Mohan , Amirhossein Ravari , Or Zilbershot , Fatemeh Afghah

The electrocardiogram (ECG) is a dependable instrument for assessing the function of the cardiovascular system. There has recently been much emphasis on precisely classifying ECGs. While ECG situations have numerous similarities, little…

Signal Processing · Electrical Eng. & Systems 2023-11-09 Kamyar Zeinalipour , Marco Gori

In this work, we propose an ensemble of classifiers to distinguish between various degrees of abnormalities of the heart using Phonocardiogram (PCG) signals acquired using digital stethoscopes in a clinical setting, for the INTERSPEECH 2018…

Computer Vision and Pattern Recognition · Computer Science 2019-04-30 Ahmed Imtiaz Humayun , Md. Tauhiduzzaman Khan , Shabnam Ghaffarzadegan , Zhe Feng , Taufiq Hasan