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The electrocardiogram or ECG has been in use for over 100 years and remains the most widely performed diagnostic test to characterize cardiac structure and electrical activity. We hypothesized that parallel advances in computing power,…

Computer Vision and Pattern Recognition · Computer Science 2018-07-10 Geoffrey H. Tison , Jeffrey Zhang , Francesca N. Delling , Rahul C. Deo

The diagnostic value of electrocardiogram (ECG) lies in its dynamic characteristics, ranging from rhythm fluctuations to subtle waveform deformations that evolve across time and frequency domains. However, supervised ECG models tend to…

Signal Processing · Electrical Eng. & Systems 2025-07-29 He-Yang Xu , Hongxiang Gao , Yuwen Li , Xiu-Shen Wei , Chengyu Liu

Electrocardiography (ECG) plays a significant role in diagnosing heart-related issues, it provides, accurate, fast, and dependable insights into crucial parameters like QRS complex duration, the R-R interval, and the occurrence, amplitude,…

Signal Processing · Electrical Eng. & Systems 2023-07-24 Kavya Remesh , Job Chunkath

Cardiovascular disease has become one of the most significant threats endangering human life and health. Recently, Electrocardiogram (ECG) monitoring has been transformed into remote cardiac monitoring by Holter surveillance. However, the…

Signal Processing · Electrical Eng. & Systems 2022-01-26 Peng Wang , Zihuai Lin , Xucun Yan , Zijiao Chen , Ming Ding , Yang Song , Lu Meng

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…

Signal Processing · Electrical Eng. & Systems 2021-02-09 Atiyeh Fotoohinasab , Toby Hocking , Fatemeh Afghah

This paper describes a highly integrated, low power chip solution for ECG signal processing in wearable devices. The chip contains an instrumentation amplifier with programmable gain, a band-pass filter, a 12-bit SAR ADC, a novel QRS…

Hardware Architecture · Computer Science 2014-09-30 C. J. Deepu , X. Y. Xu , X. D. Zou , L. B. Yao , Y. Lian

Except for a few specific types, cardiac arrhythmias are not immediately life-threatening. However, if not treated appropriately, they can cause serious complications. In particular, atrial fibrillation, which is characterized by fast and…

Machine Learning · Computer Science 2020-10-08 Jérôme Van Zaen , Ricard Delgado-Gonzalo , Damien Ferrario Mathieu Lemay

Early recognition of abnormal rhythms in ECG signals is crucial for monitoring and diagnosing patients' cardiac conditions, increasing the success rate of the treatment. Classifying abnormal rhythms into exact categories is very challenging…

Machine Learning · Computer Science 2019-12-18 Jing Zhang , Jing Tian , Yang Cao , Yuxiang Yang , Xiaobin Xu

ECG Feature Extraction plays a significant role in diagnosing most of the cardiac diseases. One cardiac cycle in an ECG signal consists of the P-QRS-T waves. This feature extraction scheme determines the amplitudes and intervals in the ECG…

Neural and Evolutionary Computing · Computer Science 2010-05-07 S. Karpagachelvi , M. Arthanari , M. Sivakumar

The development of new technology such as wearables that record high-quality single channel ECG, provides an opportunity for ECG screening in a larger population, especially for atrial fibrillation screening. The main goal of this study is…

Signal Processing · Electrical Eng. & Systems 2017-10-17 Jonathan Rubin , Saman Parvaneh , Asif Rahman , Bryan Conroy , Saeed Babaeizadeh

Electrocardiogram (ECG) signals, which capture the heart's electrical activity, are used to diagnose and monitor cardiac problems. The accurate classification of ECG signals, particularly for distinguishing among various types of…

The analysis of electrocardiogram (ECG) signals can be time consuming as it is performed manually by cardiologists. Therefore, automation through machine learning (ML) classification is being increasingly proposed which would allow ML…

Machine Learning · Computer Science 2022-05-10 Shourya Verma

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

Electrocardiogram (ECG) is the most frequent and routine diagnostic tool used for monitoring heart electrical signals and evaluating its functionality. The human heart can suffer from a variety of diseases, including cardiac arrhythmias.…

Signal Processing · Electrical Eng. & Systems 2022-09-05 Negin Alamatsaz , Leyla s Tabatabaei , Mohammadreza Yazdchi , Hamidreza Payan , Nima Alamatsaz , Fahimeh Nasimi

Current computer-aided ECG diagnostic systems struggle with the underdetection of rare but critical cardiac anomalies due to the imbalanced nature of ECG datasets. This study introduces a novel approach using self-supervised anomaly…

Computer Vision and Pattern Recognition · Computer Science 2024-09-02 Aofan Jiang , Chaoqin Huang , Qing Cao , Yuchen Xu , Zi Zeng , Kang Chen , Ya Zhang , Yanfeng Wang

Deep learning models for atrial fibrillation (AF) detection are increasingly trained on heterogeneous electrocardiogram (ECG) datasets with varying sampling frequencies, yet the specific consequences of these discrepancies on model…

Electrocardiography (ECG) offers critical cardiovascular insights, such as identifying arrhythmias and myocardial ischemia, but enabling automated systems to answer complex clinical questions directly from ECG signals (ECG-QA) remains a…

Signal Processing · Electrical Eng. & Systems 2025-05-13 Hung Manh Pham , Jialu Tang , Aaqib Saeed , Dong Ma

Objective: Continuous monitoring of biosignals via wearable sensors has quickly expanded in the medical and wellness fields. At rest, automatic detection of vital parameters is generally accurate. However, in conditions such as…

Signal Processing · Electrical Eng. & Systems 2022-09-13 Elisabetta De Giovanni , Tomas Teijeiro , Grégoire P. Millet , David Atienza

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

QR codes have become ubiquitous in daily life, enabling rapid information exchange. With the increasing adoption of smart wearable devices, there is a need for efficient, and friction-less QR code reading capabilities from Egocentric…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Mohsen Moslehpour , Yichao Lu , Pierce Chuang , Ashish Shenoy , Debojeet Chatterjee , Abhay Harpale , Srihari Jayakumar , Vikas Bhardwaj , Seonghyeon Nam , Anuj Kumar