216 citations · 453 across the 11 of their papers we have counts for
11 papers
PIFON-EPT: MR-Based Electrical Property Tomography Using Physics-Informed Fourier Networks
Xinling Yu, José E. C. Serrallés, Ilias I. Giannakopoulos +4
We propose Physics-Informed Fourier Networks for Electrical Properties (EP) Tomography (PIFON-EPT), a novel deep learning-based method for EP reconstruction using noisy and/or inco…
MR-Based Electrical Property Reconstruction Using Physics-Informed Neural Networks
Xinling Yu, José E. C. Serrallés, Ilias I. Giannakopoulos +4
Electrical properties (EP), namely permittivity and electric conductivity, dictate the interactions between electromagnetic waves and biological tissue. EP can be potential biomark…
A hybrid volume-surface integral equation method for rapid electromagnetic simulations in MRI
Ilias I. Giannakopoulos, Georgy D. Guryev, José E. C. Serrallés +6
Objective: We developed a hybrid volume surface integral equation (VSIE) method based on domain decomposition to perform fast and accurate magnetic resonance imaging (MRI) simulati…
Compression of volume-surface integral equation matrices via Tucker decomposition for magnetic resonance applications
Ilias I. Giannakopoulos, Georgy D. Guryev, Jose E. C. Serralles +4
In this work, we propose a method for the compression of the coupling matrix in volume\hyp surface integral equation (VSIE) formulations. VSIE methods are used for electromagnetic…
Magnetic-resonance-based electrical property mapping using Global Maxwell Tomography with an 8-channel head coil at 7 Tesla: a simulation study
Ilias I. Giannakopoulos, José E. C. Serrallés, Luca Daniel +4
Objective: Global Maxwell Tomography (GMT) is a recently introduced volumetric technique for noninvasive estimation of electrical properties (EP) from magnetic resonance measuremen…
Magnetization Transfer in Magnetic Resonance Fingerprinting
Tom Hilbert, Ding Xia, Kai Tobias Block +5
Purpose: To study the effects of magnetization transfer (MT, in which a semisolid spin pool interacts with the free pool), in the context of magnetic resonance fingerprinting (MRF)…
The Optimality Principle for MR signal excitation and reception: New physical insights into ideal radiofrequency coil design
Daniel K. Sodickson, Riccardo Lattanzi, Manushka Vaidya +4
Purpose: Despite decades of collective experience, radiofrequency coil optimization for MR has remained a largely empirical process, with clear insight into what might constitute t…
Hybrid-State Free Precession in Nuclear Magnetic Resonance
Jakob Assländer, Dmitry S. Novikov, Riccardo Lattanzi +2
The dynamics of large spin-1/2 ensembles in the presence of a varying magnetic field are commonly described by the Bloch equation. Most magnetic field variations result in unintuit…
Multicompartment Magnetic Resonance Fingerprinting
Sunli Tang, Carlos Fernandez-Granda, Sylvain Lannuzel +5
Magnetic resonance fingerprinting (MRF) is a technique for quantitative estimation of spin-relaxation parameters from magnetic-resonance data. Most current MRF approaches assume th…
Optimized Quantification of Spin Relaxation Times in the Hybrid State
Jakob Assländer, Riccardo Lattanzi, Daniel K Sodickson +1
Purpose: The analysis of optimized spin ensemble trajectories for relaxometry in the hybrid state. Methods: First, we constructed visual representations to elucidate the differenti…
Low Rank Alternating Direction Method of Multipliers Reconstruction for MR Fingerprinting
Jakob Assländer, Martijn A Cloos, Florian Knoll +3
Purpose The proposed reconstruction framework addresses the reconstruction accuracy, noise propagation and computation time for Magnetic Resonance Fingerprinting (MRF). Methods Bas…