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The detection of cardiac abnormalities using electrocardiogram (ECG) signals is crucial for early diagnosis and intervention in cardiovascular diseases. Traditional deep learning models often lack adaptability to varying signal patterns.…

Signal Processing · Electrical Eng. & Systems 2025-03-28 Sowad Rahman

The 12-lead electrocardiogram (ECG) is a commonly used tool for detecting cardiac abnormalities such as atrial fibrillation, blocks, and irregular complexes. For the PhysioNet/CinC 2020 Challenge, we built an algorithm using gradient…

Signal Processing · Electrical Eng. & Systems 2020-10-27 Alexander William Wong , Weijie Sun , Sunil Vasu Kalmady , Padma Kaul , Abram Hindle

Objective: Atrial fibrillation (AF) is the most common cardiac arrhythmia experienced by intensive care unit (ICU) patients and can cause adverse health effects. In this study, we publish a labelled ICU dataset and benchmarks for AF…

Classifying nodes in a graph is a common problem. The ideal classifier must adapt to any imbalances in the class distribution. It must also use information in the clustering structure of real-world graphs. Existing Graph Neural Networks…

Cardiac arrhythmias are a leading cause of life-threatening cardiac events, highlighting the urgent need for accurate and timely detection. Electrocardiography (ECG) remains the clinical gold standard for arrhythmia diagnosis; however,…

Machine Learning · Computer Science 2025-05-09 Zuraiz Baig , Sidra Nasir , Rizwan Ahmed Khan , Muhammad Zeeshan Ul Haque

"Objective: The electrocardiogram (ECG) is currently the most widely used recording to diagnose cardiac disorders, including the most common supraventricular arrhythmia, such as atrial fibrillation (AF). However, different types of…

Signal Processing · Electrical Eng. & Systems 2024-01-25 Manuel Garcia , Miguel Martinez-Iniesta , Juan Rodenas , Jose J Rieta , Raul Alcaraz

The classification of electrocardiogram (ECG) signals, which takes much time and suffers from a high rate of misjudgment, is recognized as an extremely challenging task for cardiologists. The major difficulty of the ECG signals…

Machine Learning · Computer Science 2020-12-11 Haozhen Zhang , Wei Zhao , Shuang Liu

Simultaneous electrocardiography (ECG) and phonocardiogram (PCG) provide a comprehensive, multimodal perspective on cardiac function by capturing the heart's electrical and mechanical activities, respectively. However, the distinct and…

Machine Learning · Computer Science 2025-06-13 Sajjad Karimi , Amit J. Shah , Gari D. Clifford , Reza Sameni

Cardiovascular diseases (CVDs) remain the leading cause of mortality worldwide, highlighting the critical need for efficient and accurate diagnostic tools. Electrocardiograms (ECGs) are indispensable in diagnosing various heart conditions;…

Signal Processing · Electrical Eng. & Systems 2025-04-24 Lei Kang , Xuanshuo Fu , Javier Vazquez-Corral , Ernest Valveny , Dimosthenis Karatzas

This paper presents an end-to-end ECG signal classification method based on a novel segmentation strategy via 1D Convolutional Neural Networks (CNN) to aid the classification of ECG signals. The ECG segmentation strategy named R-R-R…

Signal Processing · Electrical Eng. & Systems 2020-06-23 Xuan Hua , Jungang Han , Chen Zhao , Haipeng Tang , Zhuo He , Jinshan Tang , Qing-Hui Chen , Shaojie Tang , Weihua Zhou

Accurate electroencephalogram (EEG) pattern decoding for specific mental tasks is one of the key steps for the development of brain-computer interface (BCI), which is quite challenging due to the considerably low signal-to-noise ratio of…

Signal Processing · Electrical Eng. & Systems 2020-12-15 Yu Zhang , Tao Zhou , Wei Wu , Hua Xie , Hongru Zhu , Guoxu Zhou , Andrzej Cichocki

The performances of commonly used electrocardiogram (ECG) diagnosis models have recently improved with the introduction of deep learning (DL). However, the impact of various combinations of multiple DL components and/or the role of data…

Signal Processing · Electrical Eng. & Systems 2022-08-02 Jae-Won Choi , Dae-Yong Hong , Chan Jung , Eugene Hwang , Sung-Hyuk Park , Seung-Young Roh

An objective and accurate emotion diagnostic reference is vital to psychologists, especially when dealing with patients who are difficult to communicate with for pathological reasons. Nevertheless, current systems based on…

Machine Learning · Computer Science 2024-06-21 Yimin Zhao , Jin Gu

Electrocardiograms (ECGs) have shown unique patterns to distinguish between different subjects and present important advantages compared to other biometric traits, such as difficulty to counterfeit, liveness detection, and ubiquity. Also,…

Machine Learning · Computer Science 2023-02-15 Pietro Melzi , Ruben Tolosana , Ruben Vera-Rodriguez

Electrocardiography (ECG), an electrical measurement which captures cardiac activities, is the gold standard for diagnosing cardiovascular disease (CVD). However, ECG is infeasible for continuous cardiac monitoring due to its requirement…

Signal Processing · Electrical Eng. & Systems 2022-12-06 Ella Lan

This study proposes an efficient neural network with convolutional layers to classify significantly class-imbalanced clinical data. The data are curated from the National Health and Nutritional Examination Survey (NHANES) with the goal of…

Quantitative Methods · Quantitative Biology 2020-04-24 Aniruddha Dutta , Tamal Batabyal , Meheli Basu , Scott T. Acton

Electroencephalography (EEG) is a generally used neuroimaging approach in brain-computer interfaces due to its non-invasive characteristics and convenience, making it an effective tool for understanding human intentions. Therefore, recent…

Signal Processing · Electrical Eng. & Systems 2024-11-19 Sung-Jin Kim , Dae-Hyeok Lee , Hyeon-Taek Han

Evaluating canine electrocardiograms (ECGs) is challenging due to noise that can obscure clinically relevant cardiac electrical activity. Common sources of interference include respiration, muscle activity, poor lead contact, and external…

Machine Learning · Computer Science 2026-05-19 Jeff Breeding-Allison , Emil Walleser

Cardiovascular system study using ECG signals have evolved tremendously in the domain of electronics and signal processing. However, there are certain floating challenges unresolved in the analysis and detection of abnormal performances of…

Computer Vision and Pattern Recognition · Computer Science 2014-08-05 T. R. Gopalakrishnan Nair , A. P. Geetha , M. Asharani

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