English
Related papers

Related papers: A Novel Vectorcardiogram System

200 papers

Circulatory system abnormalities might be an indicator of diseases or tissue damage. Early detection of vascular abnormalities might have an important role during treatment and also raise the patient's awarenes. Current detection methods…

Computer Vision and Pattern Recognition · Computer Science 2023-09-07 Ayse Altay , Abdurrahman Gumus

On-chip magnetic field sensing with Nitrogen-Vacancy (NV) centers in diamond requires scalable integration of 3D waveguides into diamond substrates. Here, we develop a sensing array device with an ensemble of shallow implanted NV centers…

Large prospective epidemiological studies acquire cardiovascular magnetic resonance (CMR) images for pre-symptomatic populations and follow these over time. To support this approach, fully automatic large-scale 3D analysis is essential. In…

Image and Video Processing · Electrical Eng. & Systems 2019-07-04 Rahman Attar , Marco Pereanez , Christopher Bowles , Stefan K. Piechnik , Stefan Neubauer , Steffen E. Petersen , Alejandro F. Frangi

A key challenge in cardiology is the non-invasive imaging of electric current propagation occurring in the cardiovascular system at an intra-cardiac scale. A promising approach for directly mapping the current dynamics is to monitor the…

Clinicians generally diagnose cardiovascular diseases (CVDs) using standard 12-Lead electrocardiogram (ECG). However, for smartphone-based public healthcare systems, a reduced 3-lead system may be preferred because of (i) increased…

Signal Processing · Electrical Eng. & Systems 2024-10-21 Aditya Mallick , Rahul L R , Albert Shaiju , Satya Deepika Neelapala , Lopamudra Giri , Rahuldeb Sarkar , Soumya Jana

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

This technical paper provides a tutorial to build a low-cost (10-100 USD) and easy to assemble ECG device (ArdMob-ECG) that can be easily used for a variety of different scientific studies. The advantage of this device is that it…

Signal Processing · Electrical Eng. & Systems 2022-04-04 Tim Julian Möller , Martin Voss , Laura Kaltwasser

Myocardial motion tracking stands as an essential clinical tool in the prevention and detection of cardiovascular diseases (CVDs), the foremost cause of death globally. However, current techniques suffer from incomplete and inaccurate…

Image and Video Processing · Electrical Eng. & Systems 2024-06-28 Chengkang Shen , Hao Zhu , You Zhou , Yu Liu , Si Yi , Lili Dong , Weipeng Zhao , David J. Brady , Xun Cao , Zhan Ma , Yi Lin

We present algorithms for the detection of a class of heart arrhythmias with the goal of eventual adoption by practicing cardiologists. In clinical practice, detection is based on a small number of meaningful features extracted from the…

Machine Learning · Statistics 2016-07-14 Choudur Lakshminarayan , Tony Basil

This pilot study aims to develop a deep learning model for predicting seismocardiogram (SCG) signals in the dorsoventral direction from the SCG signals in the right-to-left and head-to-foot directions ($\textrm{SCG}_x$ and…

Medical Physics · Physics 2023-12-05 Mohammad Muntasir Rahman , Amirtahà Taebi

Recent introduction of wearable single-lead ECG devices of diverse configurations has caught the intrigue of the medical community. While these devices provide a highly affordable support tool for the caregivers for continuous monitoring…

Signal Processing · Electrical Eng. & Systems 2018-11-21 Kahkashan Afrin , Parikshit Verma , Sanjay S. Srivatsa , Satish T. S. Bukkapatnam

We present a multichannel cardiac magnetic field imaging system built in Fribourg from optical double-resonance Cs vapor magnetometers. It consists of 25 individual sensors designed to record magnetic field maps of the beating human heart…

Instrumentation and Detectors · Physics 2015-05-13 G. Bison , N. Castagna , A. Hofer , P. Knowles , J. -L. Schenker , M. Kasprzak , H. Saudan , A. Weis

Recovering the 3D motion of the heart from cine cardiac magnetic resonance (CMR) imaging enables the assessment of regional myocardial function and is important for understanding and analyzing cardiovascular disease. However, 3D cardiac…

Image and Video Processing · Electrical Eng. & Systems 2022-08-02 Qingjie Meng , Chen Qin , Wenjia Bai , Tianrui Liu , Antonio de Marvao , Declan P O'Regan , Daniel Rueckert

Many experimental efforts are striving to provide deep maps of the cosmic microwave background (CMB) to shed light on key questions in modern cosmology. The primary science goal for some of these experiments is to further constrain the…

Instrumentation and Methods for Astrophysics · Physics 2024-08-14 Rustam Balafendiev , Thomas Gascard , Jon E. Gudmundsson

LGE CMR is an efficient technology for detecting infarcted myocardium. An efficient and objective ventricle segmentation method in LGE can benefit the location of the infarcted myocardium. In this paper, we proposed an automatic framework…

Image and Video Processing · Electrical Eng. & Systems 2019-09-19 Yashu Liu , Wei Wang , Kuanquan Wang , Chengqin Ye , Gongning Luo

Real-time vital sign monitoring is gaining immense significance not only in the medical field but also in personal health management. Facing the needs of different application scenarios of the smart and healthy city in the future, the…

Systems and Control · Electrical Eng. & Systems 2024-05-27 Dingding Liang , Yang Chen , Jiawei Gao , Taixia Shi , Jianping Yao

This study introduces an improved VMD based signal decomposition methodology for non-contact heartbeat estimation using millimeterwave (mmWave) radar. Specifically, we first analyze the signal model of the mmWave radar system. The…

Signal Processing · Electrical Eng. & Systems 2025-02-18 Boyuan Gu , Yanhui Yang , Siyu You , Haiyang Sun , Jiahui Sun , Shisheng Guo

Cardiovascular diseases are the leading cause of death and disability in the world and thus their detection is extremely important as early as possible so that it can be prognosed and managed appropriately. Hence, electrophysiological…

Medical Physics · Physics 2024-03-07 Sourav Chowdhury , Apratim Ghosal , Suparna Roychowhury , Indranath Chaudhuri

Arrhythmias, detectable through electrocardiograms (ECGs), pose significant health risks, underscoring the need for accurate and efficient automated detection techniques. While recent advancements in graph-based methods have demonstrated…

Signal Processing · Electrical Eng. & Systems 2024-12-05 Rafael F. Oliveira , Gladston J. P. Moreira , Vander L. S. Freitas , Eduardo J. S. Luz

The state-of-the-art cardiovascular disease diagnosis techniques use machine-learning algorithms based on feature extraction and classification. In this work, in contrast to a conventional single Electrocardiogram (ECG) lead, two leads are…

Signal Processing · Electrical Eng. & Systems 2023-05-26 Cheng Guo , Sajid Ahmed , Mohamed-Slim Alouini