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Multimodal deep learning foundation models can learn the relationship between images and text. In the context of medical imaging, mapping images to language concepts reflects the clinical task of diagnostic image interpretation, however…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Matthew Christensen , Milos Vukadinovic , Neal Yuan , David Ouyang

Eating monitoring has remained an open challenge in medical research for years due to the lack of non-invasive sensors for continuous monitoring and the reliable methods for automatic behavior detection. In this paper, we present a pilot…

Machine Learning · Computer Science 2025-02-21 Xu-Lu Zhang , Zhen-Qun Yang , Dong-Mei Jiang , Ga Liao , Qing Li , Ramesh Jain , Xiao-Yong Wei

Deep models suffer from limited generalization capability to unseen domains, which has severely hindered their clinical applicability. Specifically for the retinal vessel segmentation task, although the model is supposed to learn the…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Dewei Hu , Hao Li , Han Liu , Xing Yao , Jiacheng Wang , Ipek Oguz

The objective of electrical impedance tomography (EIT) is to reconstruct the internal conductivity of a physical body based on current and voltage measurements at the boundary of the body. In many medical applications the exact shape of the…

Optimization and Control · Mathematics 2021-10-25 J. P. Agnelli , V. Kolehmainen , M. Lassas , P. Ola , S. Siltanen

Accurate ECG interpretation is vital, yet complex cardiac data and "black-box" AI models limit clinical utility. Inspired by Transformer architectures' success in NLP for understanding sequential data, we frame ECG as the heart's unique…

Signal Processing · Electrical Eng. & Systems 2025-06-09 Berat Kutay Uğraş , Ömer Nezih Gerek , İbrahim Talha Saygı

We consider the problem of modeling cardiovascular responses to physical activity and sleep changes captured by wearable sensors in free living conditions. We use an attentional convolutional neural network to learn parsimonious signatures…

Machine Learning · Computer Science 2018-12-06 Haraldur T. Hallgrímsson , Filip Jankovic , Tim Althoff , Luca Foschini

We present a few ways of using conformal maps in the reconstruction of two-dimensional conductivities in electrical impedance tomography. First, by utilizing the Riemann mapping theorem, we can transform any simply connected domain of…

Numerical Analysis · Mathematics 2017-02-27 Nuutti Hyvönen , Lassi Päivärinta , Janne P. Tamminen

Mean aortic pressure (MAP) is a major determinant of perfusion in all organs systems. The ability to forecast MAP would enhance the ability of physicians to estimate prognosis of the patient and assist in early detection of hemodynamic…

Machine Learning · Computer Science 2020-10-20 Eliza Huang , Rui Wang , Uma Chandrasekaran , Rose Yu

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

Accurate prediction of cardiovascular diseases remains imperative for early diagnosis and intervention, necessitating robust and precise predictive models. Recently, there has been a growing interest in multi-modal learning for uncovering…

Computer Vision and Pattern Recognition · Computer Science 2024-11-12 Francesco Girlanda , Olga Demler , Bjoern Menze , Neda Davoudi

Localization of anatomical landmarks to perform two-dimensional measurements in echocardiography is part of routine clinical workflow in cardiac disease diagnosis. Automatic localization of those landmarks is highly desirable to improve…

Computer Vision and Pattern Recognition · Computer Science 2021-01-28 Jianzhe Lin , Ghazal Sahebzamani , Christina Luong , Fatemeh Taheri Dezaki , Mohammad Jafari , Purang Abolmaesumi , Teresa Tsang

Electrocardiographic imaging aims to noninvasively reconstruct the electrical dynamic patterns on the heart surface from body-surface ECG measurements, aiding the mechanistic study of cardiac function. At the core of ECGI lies the inverse…

Signal Processing · Electrical Eng. & Systems 2026-04-10 Lingzhen Zhu , Kenneth Bilchick , Jianxin Xie

In clinical practice of echocardiography examinations, multiple planes containing the heart structures of different view are usually required in screening, diagnosis and treatment of cardiac disease. AI models for echocardiography have to…

Computer Vision and Pattern Recognition · Computer Science 2025-04-10 Jiongtong Hu , Wei Zhuo , Jun Cheng , Yingying Liu , Wufeng Xue , Dong Ni

Learning data-efficient object dynamics models for robotic manipulation remains challenging, especially for deformable objects. A popular approach is to model objects as sets of 3D particles and learn their motion using graph neural…

Robotics · Computer Science 2026-05-05 Sergio Orozco , Tushar Kusnur , Brandon May , George Konidaris , Laura Herlant

It has become widely accepted that the most dangerous cardiac arrhythmias are due to re- entrant waves, i.e., electrical wave(s) that re-circulate repeatedly throughout the tissue at a higher frequency than the waves produced by the heart's…

Pattern Formation and Solitons · Physics 2009-11-07 Flavio H Fenton , Elizabeth M Cherry , Harold M. Hastings , Steven J. Evans

When generating in-silico clinical electrophysiological outputs, such as electrocardiograms (ECGs) and body surface potential maps (BSPMs), mathematical models have relied on single physics, i.e. of the cardiac electrophysiology (EP),…

Numerical Analysis · Mathematics 2024-02-12 Elena Zappon , Matteo Salvador , Roberto Piersanti , Francesco Regazzoni , Luca Dede' , Alfio Quarteroni

We prove the existence and the uniqueness of a solution for a modified bidomain model, describing the electrical behaviour of the cardiac tissue in pathological situations. The leading idea is to reduce the problem to an abstract parabolic…

Analysis of PDEs · Mathematics 2021-01-26 Micol Amar , Daniele Andreucci , Claudia Timofte

Focused transmits are the most commonly used transmit strategy for echocardiograms, but suffer from relatively low frame rates, and in 3D, even lower volume rates. Fast imaging based on unfocused transmits has disadvantages such as motion…

Signal Processing · Electrical Eng. & Systems 2026-05-14 Wessel L. van Nierop , Oisín Nolan , Tristan S. W. Stevens , Ruud J. G. van Sloun

Electrical impedance tomography (EIT) is a noninvasive imaging method whereby electrical measurements on the boundary of a conductive medium (the data) are taken according to a prescribed protocol set and inverted to map the internal…

Intra-cardiac Echocardiography (ICE) plays a crucial role in Electrophysiology (EP) and Structural Heart Disease (SHD) interventions by providing high-resolution, real-time imaging of cardiac structures. However, existing navigation methods…

Image and Video Processing · Electrical Eng. & Systems 2025-05-14 Jaeyoung Huh , Ankur Kapoor , Young-Ho Kim