Hybrid Neural State-Space Modeling for Supervised and Unsupervised Electrocardiographic Imaging

X Jiang, R Missel, M Toloubidokhti… - … on Medical Imaging, 2024 - ieeexplore.ieee.org
State-space modeling (SSM) provides a general framework for many image reconstruction
tasks. Error in a priori physiological knowledge of the imaging physics, can bring …

Solving the inverse problem of electrocardiography on the endocardium using a single layer source

A Kalinin, D Potyagaylo, V Kalinin - Frontiers in physiology, 2019 - frontiersin.org
The inverse problem of electrocardiography consists in reconstructing cardiac electrical
activity from given body surface electrocardiographic measurements. Despite tremendous …

Improving generalization by learning geometry-dependent and physics-based reconstruction of image sequences

X Jiang, M Toloubidokhti, J Bergquist… - IEEE transactions on …, 2022 - ieeexplore.ieee.org
Deep neural networks have shown promise in image reconstruction tasks, although often on
the premise of large amounts of training data. In this paper, we present a new approach to …

Frequency-Enhanced Geometric-Constrained Reconstruction for Localizing Myocardial Infarction in 12-Lead Electrocardiograms

S Lian, Z Gao, H Wang, X Liu, L Xu… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Determining the location of myocardial infarction is crucial for clinical management and
therapeutic stratagem. However, existing diagnostic tools either sacrifice ease of use or are …

Evaluation of multivariate adaptive non-parametric reduced-order model for solving the inverse electrocardiography problem: A simulation study

ÖN Onak, YS Dogrusoz, GW Weber - Medical & Biological Engineering & …, 2019 - Springer
In the inverse electrocardiography (ECG) problem, the goal is to reconstruct the heart's
electrical activity from multichannel body surface potentials and a mathematical model of the …

Solving the Inverse Problem of Electrocardiography for Cardiac Digital Twins: A Survey

L Li, J Camps, B Rodriguez, V Grau - arxiv preprint arxiv:2406.11445, 2024 - arxiv.org
Cardiac digital twins are personalized virtual representations used to understand complex
heart mechanisms. Solving the ECG inverse problem is crucial for accurate virtual heart …

Influence of modeling errors on the initial estimate for nonlinear myocardial activation times imaging calculated with fastest route algorithm

D Potyagaylo, O Dössel… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
Noninvasive reconstruction of cardiac electrical activity has a great potential to support
clinical decision making, planning, and treatment. Recently, significant progress has been …

Examining the impact of prior models in transmural electrophysiological imaging: A hierarchical multiple-model bayesian approach

A Rahimi, J Sapp, J Xu, P Bajorski… - IEEE transactions on …, 2015 - ieeexplore.ieee.org
Noninvasive cardiac electrophysiological (EP) imaging aims to mathematically reconstruct
the spatiotemporal dynamics of cardiac sources from body-surface electrocardiographic …

Noninvasive reconstruction of transmural transmembrane potential with simultaneous estimation of prior model error

S Ghimire, JL Sapp, BM Horáček… - IEEE transactions on …, 2019 - ieeexplore.ieee.org
To reconstruct electrical activity in the heart from body-surface electrocardiograms (ECGs) is
an ill-posed inverse problem. Electrophysiological models have been found effective in …