Search Results - "Remis, Rob"

Besov Space Regularised Waveform Inversion via Frequency Marching.

Authors: Kekkonen, Hanne Remis, Rob Tataris, Andreas

Source: Results in Mathematics / Resultate der Mathematik. 3/26/2026, Vol. 81 Issue 3, p1-21. 21p.

Characterization of concomitant gradient fields and their effects on image distortions using a low‐field point‐of‐care Halbach‐based MRI system.

Authors: de Vos, Bart Remis, Rob F. Webb, Andrew G.

Source: Magnetic Resonance in Medicine. Feb2024, Vol. 91 Issue 2, p828-841. 14p.

Subjects: Inductive effect, Image analysis, Point-of-care testing, Magnetic field effects, Phase coding

Radiofrequency safety of high permittivity pads in MRI—Impact of insulation material.

Authors: Brink, Wyger M. Remis, Rob F. Webb, Andrew G.

Source: Magnetic Resonance in Medicine. May2023, Vol. 89 Issue 5, p2109-2116. 8p.

Subjects: Insulating materials, Electric insulators & insulation, Permittivity, Radio frequency, Imaging phantoms

Learning a preconditioner to accelerate compressed sensing reconstructions in MRI.

Authors: Koolstra, Kirsten Remis, Rob

Source: Magnetic Resonance in Medicine. Apr2022, Vol. 87 Issue 4, p2063-2073. 11p.

Subjects: Compressed sensing, Convolutional neural networks, Magnetic resonance imaging, Random noise theory, White noise, Speech processing systems

Transverse-EPT: A Local First Order Electrical Properties Tomography Approach Not Requiring Estimation of the Incident Fields.

Authors: Leijsen, Reijer Brink, Wyger Xin An et al.

Source: Progress in Electromagnetics Research M; 2021, Vol. 102, p137-148, 12p

B1-based SAR reconstruction using contrast source inversion-electric properties tomography (CSI-EPT).

Authors: Balidemaj, Edmond Berg, Cornelis Lier, Astrid et al.

Source: Medical & Biological Engineering & Computing; Feb2017, Vol. 55 Issue 2, p225-233, 9p, 1 Color Photograph, 1 Diagram, 5 Graphs

Low-Frequency Model-Order Reduction of Electromagnetic Fields Without Matrix Factorization.

Authors: Remis, Rob F.

Source: IEEE Transactions on Microwave Theory & Techniques; Sep2004 Part 2 of 2, Vol. 52 Issue 9, p2298-2304, 7p

A modified Lanczos algorithm for the computation of transient electromagnetic wavefields.

Authors: Remis, Rob F. van den Berg, Peter M.

Source: IEEE Transactions on Microwave Theory & Techniques; December 1997 pt1, Vol. 45, p2139-2149, 11p

Generalized Signal Models and Direct FID-Based Dielectric Parameter Retrieval in MRI.

Authors: Fuchs, Patrick S. Remis, Rob F.

Source: IEEE Transactions on Antennas & Propagation. Feb2022, Vol. 70 Issue 2, p1451-1461. 11p.

Subjects: Electric field strength, Magnetic field measurements, Dielectrics, Magnetic resonance imaging, Born approximation

A theoretical approach based on electromagnetic scattering for analysing dielectric shimming in high-field MRI.

Authors: Brink, Wyger M. Remis, Rob F. Webb, Andrew G.

Source: Magnetic Resonance in Medicine. May2016, Vol. 75 Issue 5, p2185-2194. 10p.

COMPRESSING LARGE-SCALE WAVE PROPAGATION MODELS VIA PHASE-PRECONDITIONED RATIONAL KRYLOV SUBSPACES.

Authors: DRUSKIN, VLADIMIR REMIS, ROB F. ZASLAVSKY, MIKHAIL et al.

Source: Multiscale Modeling & Simulation. 2018, Vol. 16 Issue 4, p1486-1518. 33p.

Subjects: Theory of wave motion, High performance computing, Green's functions, Krylov subspace, Acoustic models, Rogue waves

Segmented RF shield design to minimize eddy currents for low-field Halbach MRI systems.

Authors: de Vos, Bart Remis, Rob Webb, Andrew

Source: Journal of Magnetic Resonance. May2024, Vol. 362, pN.PAG-N.PAG. 1p.

Subjects: Eddies, Magnetic resonance imaging, Noise measurement, Radio frequency, Work design, Time management

An extended Krylov subspace model-order reduction technique to simulate wave propagation in unbounded domains.

Authors: Druskin, Vladimir Remis, Rob Zaslavsky, Mikhail

Source: Journal of Computational Physics. Sep2014, Vol. 272, p608-618. 11p.

Subjects: Krylov subspace, Mathematical models, Simulation methods & models, Theory of wave motion, Mathematical optimization, Operator theory

On the relation between FDTD and Fibonacci polynomials

Authors: Remis, Rob F.¹ R.F.Remis@TUDelft.NL

Source: Journal of Computational Physics. Feb2011, Vol. 230 Issue 4, p1382-1386. 5p.

Subjects: Finite differences, Time-domain analysis, Fibonacci sequence, Point mappings (Mathematics), Electromagnetic fields, Chebyshev polynomials

Stability of FDTD on nonuniform grids for Maxwell’s equations in lossless media

Authors: Remis, Rob F.¹ R.F.Remis@EWI.TUDelft.NL

Source: Journal of Computational Physics. Nov2006, Vol. 218 Issue 2, p594-606. 13p.

Subjects: Magnetic fields, Tensor products, Electromagnetic waves, Electromagnetic fields

A simulation study on the effect of optimized high permittivity materials on fetal imaging at 3T.

Authors: Gemert, Jeroen Brink, Wyger Remis, Rob et al.

Source: Magnetic Resonance in Medicine. Nov2019, Vol. 82 Issue 5, p1822-1831. 10p.

Subjects: Fetal imaging, Permittivity, Fetal MRI, Amniotic liquid, Structure-activity relationships

Low-field magnetic resonance imaging using multiplicative regularization.

Authors: de Leeuw den Bouter, Merel van Gijzen, Martin Remis, Rob

Source: Magnetic Resonance Imaging (0730725X). Jan2021, Vol. 75, p21-33. 13p.

Subjects: Image reconstruction algorithms, Regularization parameter, Image denoising, Algorithms, Scanning systems

Personalized local SAR prediction for parallel transmit neuroimaging at 7T from a single T1‐weighted dataset.

Authors: Brink, Wyger M. Yousefi, Sahar Bhatnagar, Prernna et al.

Source: Magnetic Resonance in Medicine. Jul2022, Vol. 88 Issue 1, p464-475. 12p.

Subjects: Convolutional neural networks, Deep learning, Brain imaging, Birdcages

Transceive phase corrected 2D contrast source inversion‐electrical properties tomography.

Authors: Stijnman, Peter R. S. Stefano Mandija Fuchs, Patrick S. et al.

Source: Magnetic Resonance in Medicine. May2021, Vol. 85 Issue 5, p2856-2868. 13p.

Subjects: Magnetic flux density, Tomography, Standard deviations, Radio frequency

Accelerating implant RF safety assessment using a low‐rank inverse update method.

Authors: Stijnman, Peter R. S. Tokaya, Janot P. Gemert, Jeroen et al.

Source: Magnetic Resonance in Medicine. May2020, Vol. 83 Issue 5, p1796-1809. 14p.

Subjects: Radio frequency, Magnetic resonance imaging, Electric fields, Magnetic fields