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Continuous monitoring of cardiac activity is paramount to understanding the functioning of the heart in addition to identifying precursors to conditions such as Atrial Fibrillation. Through continuous cardiac monitoring, early indications…

Machine Learning · Computer Science 2020-10-13 Prithvi Suresh , Naveen Narayanan , Chakilam Vijay Pranav , Vineeth Vijayaraghavan

Electrocardiogram is a useful diagnostic signal that can detect cardiac abnormalities by measuring the electrical activity generated by the heart. Due to its rapid, non-invasive, and richly informative characteristics, ECG has many emerging…

Machine Learning · Computer Science 2025-12-09 Hanhui Deng , Xinglin Li , Jie Luo , Di Wu

Despite their remarkable performance, deep neural networks remain unadopted in clinical practice, which is considered to be partially due to their lack in explainability. In this work, we apply attribution methods to a pre-trained deep…

We develop an algorithm that accurately detects Atrial Fibrillation (AF) episodes from photoplethysmograms (PPG) recorded in ambulatory free-living conditions. We collect and annotate a dataset containing more than 4000 hours of PPG…

Medical Physics · Physics 2018-11-29 Maxime Voisin , Yichen Shen , Alireza Aliamiri , Anand Avati , Awni Hannun , Andrew Ng

In this paper, we propose an effective electrocardiogram (ECG) arrhythmia classification method using a deep two-dimensional convolutional neural network (CNN) which recently shows outstanding performance in the field of pattern…

Computer Vision and Pattern Recognition · Computer Science 2018-04-19 Tae Joon Jun , Hoang Minh Nguyen , Daeyoun Kang , Dohyeun Kim , Daeyoung Kim , Young-Hak Kim

Timely access to laboratory values is critical for clinical decision-making, yet current approaches rely on invasive venous sampling and are intrinsically delayed. Electrocardiography (ECG), as a non-invasive and widely available signal,…

Machine Learning · Computer Science 2025-10-28 Yujie Xiao , Gongzhen Tang , Wenhui Liu , Jun Li , Guangkun Nie , Zhuoran Kan , Deyun Zhang , Qinghao Zhao , Shenda Hong

In this article, we propose the optimization of the resolution of time-frequency atoms and the regularization of fitting models to obtain better representations of heart sound signals. This is done by evaluating the classification…

Sound · Computer Science 2026-04-15 Mahmoud Fakhry , Ascensión Gallardo-Antolín

In this work we search for best practices in pre-processing of Electrocardiogram (ECG) signals in order to train better classifiers for the diagnosis of heart conditions. State of the art machine learning algorithms have achieved remarkable…

Signal Processing · Electrical Eng. & Systems 2025-05-16 Amir Salimi , Sunil Vasu Kalmady , Abram Hindle , Osmar Zaiane , Padma Kaul

Coronary Artery Disease (CAD) diagnostic to be a major global cause of death, necessitating innovative solutions. Addressing the critical importance of early CAD detection and its impact on the mortality rate, we propose the potential of…

Signal Processing · Electrical Eng. & Systems 2024-06-26 Atitaya Phoemsuk , Vahid Abolghasemi

Atrial fibrillation(termed as AF/Afib henceforth) is a discrete and often rapid heart rhythm that can lead to clots near the heart. We can detect Afib by ECG signal by the absence of p and inconsistent intervals between R waves as shown in…

Machine Learning · Computer Science 2021-12-24 Arjun Sridharkumar , Sai Bhargav , Rahul Guntha

The adoption of deep learning-based healthcare decision support systems such as the detection of irregular cardiac rhythm is hindered by challenges such as lack of access to quality data and the high costs associated with the collection and…

Machine Learning · Computer Science 2022-05-31 Sagnik Dakshit , Barbara Mukami Maweu , Sristi Dakshit , Balakrishnan Prabhakaran

A Notch Filter is essential in ECG signal processing to eliminate narrowband noise, especially powerline interference at 50 Hz or 60 Hz. This interference overlaps with vital ECG signal features, affecting the accuracy of downstream…

Signal Processing · Electrical Eng. & Systems 2025-05-06 Lohit Bibar , Samali bose , Tribeni Prasad Banerjee

The paradigm of electrocardiogram (ECG) analysis has evolved into real-time digital analysis, facilitated by artificial intelligence (AI) and machine learning (ML), which has improved the diagnostic precision and predictive capacity of…

Cardiac resynchronization therapy (CRT) is a treatment that is used to compensate for irregularities in the heartbeat. Studies have shown that this treatment is more effective in heart patients with left bundle branch block (LBBB)…

Signal Processing · Electrical Eng. & Systems 2023-06-27 Alireza Sadeghi , Alireza Rezaee , Farshid Hajati

1D-CNNs play a crucial role for time-series analysis on tiny smart sensor systems, e.g. for biosignal analysis, predictive maintenance, or structural health monitoring. LUTbased precomputation has emerged as an interesting optimization…

Hardware Architecture · Computer Science 2026-05-29 Lukas Einhaus , Natalie Maman , Julian Hoever , Andreas Erbslöh , Gregor Schiele

With the development of deep learning-based methods, automated classification of electrocardiograms (ECGs) has recently gained much attention. Although the effectiveness of deep neural networks has been encouraging, the lack of information…

Signal Processing · Electrical Eng. & Systems 2022-03-02 Wenrui Zhang , Xinxin Di , Guodong Wei , Shijia Geng , Zhaoji Fu , Shenda Hong

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…

Signal Processing · Electrical Eng. & Systems 2020-01-15 Viktor Moskalenko , Nikolai Zolotykh , Grigory Osipov

Ventricular Fibrillation (VF), one of the most dangerous arrhythmias, is responsible for sudden cardiac arrests. Thus, various algorithms have been developed to predict VF from Electrocardiogram (ECG), which is a binary classification…

Machine Learning · Computer Science 2019-03-13 Nabil Ibtehaz , M. Saifur Rahman , M. Sohel Rahman

Early and reliable detection of heart murmurs is essential for the timely diagnosis of cardiovascular diseases, yet traditional auscultation remains subjective and dependent on expert interpretation. This work investigates artificial…

Signal Processing · Electrical Eng. & Systems 2025-11-04 Andrea De Simone , Noemi Giordano , Silvia Seoni , Kristen M. Meiburger , Fabrizio Riente

Atrial Fibrillation (AF) is an abnormal heart rhythm which can trigger cardiac arrest and sudden death. Nevertheless, its interpretation is mostly done by medical experts due to high error rates of computerized interpretation. One study…

Signal Processing · Electrical Eng. & Systems 2019-08-20 Yuxi Zhou , Shenda Hong , Junyuan Shang , Meng Wu , Qingyun Wang , Hongyan Li , Junqing Xie
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