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Electrocardiography is the most common method to investigate the condition of the heart through the observation of cardiac rhythm and electrical activity, for both diagnosis and monitoring purposes. Analysis of electrocardiograms (ECGs) is…

Signal Processing · Electrical Eng. & Systems 2023-06-16 Viktor van der Valk , Douwe Atsma , Roderick Scherptong , Marius Staring

In this study we present a novel computational model for unprecedented simulations of the whole cardiac electrophysiology. According to the heterogeneous electrophysiologic properties of the heart, the whole cardiac geometry is decomposed…

Medical Physics · Physics 2022-03-14 Giulio Del Corso , Roberto Verzicco , Francesco Viola

Heart-rate estimation is a fundamental feature of modern wearable devices. In this paper we propose a machine intelligent approach for heart-rate estimation from electrocardiogram (ECG) data collected using wearable devices. The novelty of…

In the rapidly evolving landscape of modern healthcare, the integration of wearable & portable technology provides a unique opportunity for personalized health monitoring in the community. Devices like the Apple Watch, FitBit, and AliveCor…

Machine Learning · Computer Science 2023-10-12 Sumukh Vasisht Shankar , Evangelos K Oikonomou , Rohan Khera

The electrocardiogram (ECG) is a well-known technique used to diagnose cardiac diseases. To acquire the spatial signal characteristics from the thorax, multiple electrodes are commonly used. Displacements of electrodes affect the signal…

Medical Physics · Physics 2021-12-15 Andra Oltmann , Roman Kusche , Philipp Rostalski

Automatic identification of proper image frames at the end-diastolic (ED) and end-systolic (ES) frames during the review of invasive coronary angiograms (ICA) is important to assess blood flow during a cardiac cycle, reconstruct the 3D…

Image and Video Processing · Electrical Eng. & Systems 2021-10-07 Yinghui Meng , Minghao Dong , Xumin Dai , Haipeng Tang , Chen Zhao , Jingfeng Jiang , Shun Xu , Ying Zhou , Fubao Zhu1 , Zhihui Xu , Weihua Zhou

The Extracellular-Membrane-Intracellular (EMI) model is a novel mathematical framework for cardiac electrophysiology simulations. The EMI model provides a more detailed description of the heart's electrical activity compared to traditional…

Numerical Analysis · Mathematics 2025-04-29 Carlos Ballesteros , Alexei Cheviakov , Raymond J. Spiteri

This paper presents a novel method to automatically identify late-activating regions of the left ventricle from cine Displacement Encoding with Stimulated Echo (DENSE) MR images. We develop a deep learning framework that identifies late…

Image and Video Processing · Electrical Eng. & Systems 2020-12-09 Jiarui Xing , Sona Ghadimi , Mohammad Abdishektaei , Kenneth C. Bilchick , Frederick H. Epstein , Miaomiao Zhang

Contemporary high-density mapping techniques and preoperative CT/MRI remain time and resource intensive in localizing arrhythmias. AI has been validated as a clinical decision aid in providing accurate, rapid real-time analysis of…

Computer Vision and Pattern Recognition · Computer Science 2026-02-25 Dorsa EPMoghaddam , Feng Gao , Drew Bernard , Kavya Sinha , Mehdi Razavi , Behnaam Aazhang

Cardiac fibrillation is characterized by chaotic and disintegrated spiral wave dynamics patterns, whereas sinus rhythm shows synchronized excitation patterns. To determine functional correlations among cardiomyocytes during complex…

Tissues and Organs · Quantitative Biology 2022-10-20 Euijun Song

Background: Conventional electrocardiogram (ECG) analysis faces a persistent dichotomy: expert-driven features ensure interpretability but lack sensitivity to latent patterns, while deep learning offers high accuracy but functions as a…

Quantitative Methods · Quantitative Biology 2026-01-23 Deyun Zhang , Jun Li , Shijia Geng , Yue Wang , Shijie Chen , Sumei Fan , Qinghao Zha , Shenda Hong

We propose a mathematical and numerical model for the simulation of the heart function that couples cardiac electrophysiology, active and passive mechanics and hemodynamics, and includes reduced models for cardiac valves and the circulatory…

Numerical Analysis · Mathematics 2022-08-12 Michele Bucelli , Alberto Zingaro , Pasquale Claudio Africa , Ivan Fumagalli , Luca Dede' , Alfio Quarteroni

Atrial Fibrillation (AF) is a common cardiac arrhythmia affecting a large number of people around the world. If left undetected, it will develop into chronic disability or even early mortality. However, patients who have this problem can…

Signal Processing · Electrical Eng. & Systems 2021-01-20 Dacheng Chen , Dan Li , Xiuqin Xu , Ruizhi Yang , See-Kiong Ng

The electrocardiogram (ECG) is an essential tool for diagnosing heart disease, with computer-aided systems improving diagnostic accuracy and reducing healthcare costs. Despite advancements, existing systems often miss rare cardiac anomalies…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Aofan Jiang , Chaoqin Huang , Qing Cao , Yuchen Xu , Zi Zeng , Kang Chen , Ya Zhang , Yanfeng Wang

Electrocardiogram (ECG) is a widely used tool for assessing cardiac function due to its low cost and accessibility. Emergent research shows that ECGs can help make predictions on key outcomes traditionally derived from more complex…

Computer Vision and Pattern Recognition · Computer Science 2025-10-01 Yuan Gao , Sangwook Kim , Chris McIntosh

Cardiac time intervals (CTIs) are important parameters for assessing cardiac function and can be measured using non-invasive methods such as electrocardiography (ECG) and seismocardiography (SCG). It is widely accepted that SCG signals,…

Medical Physics · Physics 2024-02-13 Aysha Mann , Bahram Kakavand , Peshala Thibbotuwawa Gamage , Amirtahà Taebi

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

Electrocardiogram (ECG) signal is a common and powerful tool to study heart function and diagnose several abnormal arrhythmias. While there have been remarkable improvements in cardiac arrhythmia classification methods, they still cannot…

Quantitative Methods · Quantitative Biology 2019-03-14 Sajad Mousavi , Fatemeh Afghah , U. Rajendra Acharya

This paper proposes a data-driven model for solving the inverse problem of electrocardiography, the mathematical problem that forms the basis of electrocardiographic imaging (ECGI). We present a conditional diffusion framework that learns a…

Machine Learning · Computer Science 2026-01-27 Ramiro Valdes Jara , Adam Meyers

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…

Computer Vision and Pattern Recognition · Computer Science 2024-08-06 Suraj Kumar Behera , Debanjali Bhattacharya , Ninad Aithal , Neelam Sinha