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Electrocardiography (ECG) is a non-invasive tool for predicting cardiovascular diseases (CVDs). Current ECG-based diagnosis systems show promising performance owing to the rapid development of deep learning techniques. However, the label…

Signal Processing · Electrical Eng. & Systems 2023-06-21 Rushuang Zhou , Lei Lu , Zijun Liu , Ting Xiang , Zhen Liang , David A. Clifton , Yining Dong , Yuan-Ting Zhang

An electrocardiogram (ECG) is a time-series signal that is represented by one-dimensional (1-D) data. Higher dimensional representation contains more information that is accessible for feature extraction. Hidden variables such as frequency…

Machine Learning · Statistics 2019-04-12 K. S. Rajput , S. Wibowo , C. Hao , M. Majmudar

An electrocardiogram (ECG) captures the heart's electrical signal to assess various heart conditions. In practice, ECG data is stored as either digitized signals or printed images. Despite the emergence of numerous deep learning models for…

Computer Vision and Pattern Recognition · Computer Science 2024-08-07 Ju-Hyeon Nam , Seo-Hyung Park , Su Jung Kim , Sang-Chul Lee

Optically pumped magnetometers are becoming a promising alternative to cryogenically-cooled superconducting magnetometers for detecting and imaging biomagnetic fields. Magnetic field detection is a completely non-invasive method, which…

The availability of digital twins for the cardiovascular system will enable insightful computational tools both for research and clinical practice. This, however, demands robust and well defined models and methods for the different steps…

Computational Engineering, Finance, and Science · Computer Science 2024-11-21 Pau Romero , Abel Pedrós , Rafael Sebastian , Miguel Lozano , Ignacio García-Fernández

In this paper, we propose a wireless Communicator to manage and enhance a Cardiac Rhythm Management System. The system includes: (1) an on-body wireless Electrocardiogram (ECG), (2) an Intracardiac Electrogram (EGM) embedded inside an…

Computational Engineering, Finance, and Science · Computer Science 2016-02-18 Gabriel E. Arrobo , Calvin A. Perumalla , Stanley B. Hanke , Thomas P. Ketterl , Peter J. Fabri , Richard D. Gitlin

Left ventricular segmentation is essential for measuring left ventricular function indices. Segmentation of one or several images requires an initial guess of the contour. It is hypothesized here that creating an initial guess by first…

Computer Vision and Pattern Recognition · Computer Science 2015-10-13 Yael Petrank , Nahum Smirin , Yossi Tsadok , Zvi Friedman , Peter Lysiansky , Dan Adam

A complete system solution extracting signals from the patient chest with three leads including motion artifact removal in both analog and digital implementations are described. The resulting ECG signal is transferred via Bluetooth low…

Signal Processing · Electrical Eng. & Systems 2019-03-22 Ehsan Hadizadeh , Rozhan Rabbani , Zohreh Azizi , Matin Barekatain , Kourosh Hakhamaneshi , Erfan Khoram , Ali Fotowat-Ahmady

Monitoring the cardiac function often relies on non-invasive vital measurements, electrocardiograms, and low-resolution echocardiograms. The monitoring data can be augmented with numerical modeling results to support treatment-risk…

Medical Physics · Physics 2024-02-13 Robin Willems , Lex Verberne , Clemens V. Verhoosel , Olaf van der Sluis

In recent years, there has been a shift of interest towards the field of biometric authentication, which proves the identity of the user using their biological characteristics. We explore a novel biometric based on the electrical activity…

Cryptography and Security · Computer Science 2019-06-24 Nikita Samarin , Donald Sannella

Echocardiography is the most commonly used imaging technique in clinical cardiology. Due to the high demand for this type of examination and the small number of specialists, there is a need to support the examination process through…

We present an apparatus optimized for tracking swimming microorganisms in the size range 10-1000 microns, in three dimensions (3D), far from surfaces, and with negligible background convective fluid motion. CCD cameras attached to two long…

Soft Condensed Matter · Physics 2009-01-13 Knut Drescher , Kyriacos C. Leptos , Raymond E. Goldstein

The classification of electrocardiogram (ECG) signals is crucial for early detection of arrhythmias and other cardiac conditions. However, despite advances in machine learning, many studies fail to follow standardization protocols, leading…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Guilherme Silva , Pedro Silva , Gladston Moreira , Vander Freitas , Jadson Gertrudes , Eduardo Luz

Over the course of the past two decades, a substantial body of research has substantiated the viability of utilising cardiac signals as a biometric modality. This paper presents a novel approach for patient identification in healthcare…

Machine Learning · Computer Science 2024-11-27 Caterina Fuster-Barceló , Carmen Cámara , Pedro Peris-López

The leading cause of mortality and morbidity worldwide is cardiovascular disease (CVD), with coronary artery disease (CAD) being the largest sub-category. Unfortunately, myocardial infarction or stroke can manifest as the first symptom of…

Signal Processing · Electrical Eng. & Systems 2024-09-10 Matthew Fynn , Kayapanda Mandana , Javed Rashid , Sven Nordholm , Yue Rong , Goutam Saha

Intricating cardiac complexities are the primary factor associated with healthcare costs and the highest cause of death rate in the world. However, preventive measures like the early detection of cardiac anomalies can prevent severe…

Machine Learning · Computer Science 2019-04-18 Asim Darwaish , Farid Naït-Abdesselam , Ashfaq Khokhar

We describe the characteristics of low-cost ultra-high-power light emitting diodes (LEDs) for use in optical imaging experiments. We use the LEDs in experiments with bullfrog cardiac tissue and find that the signal-to-noise ratio is…

Biological Physics · Physics 2012-08-27 H. M. Dobrovolny , H. Elmariah , S. S. Kalb , J. P. Wikswo, , D. J. Gauthier

Auxiliary diagnosis of cardiac electrophysiological status can be obtained through the analysis of 12-lead electrocardiograms (ECGs). This work proposes a dual-scale lead-separated transformer with lead-orthogonal attention and…

Computer Vision and Pattern Recognition · Computer Science 2022-11-24 Yang Li , Guijin Wang , Zhourui Xia , Wenming Yang , Li Sun

The laboratory models of the human heart left ventricle developed in the last decades gave a valuable contribution to the comprehension of the role of the fluid dynamics in the cardiac function and to support the interpretation of the data…

Fluid Dynamics · Physics 2014-07-29 S. Fortini , G. Querzoli , S. Espa , A. Cenedese

Wearable electrocardiograph (ECG) recording and processing systems have been developed to detect cardiac arrhythmia to help prevent heart attacks. Conventional wearable systems, however, suffer from high energy consumption at both circuit…

Signal Processing · Electrical Eng. & Systems 2022-05-27 Jinbo Chen , Fengshi Tian , Jie Yang , Mohamad Sawan
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