activity
20182026
most citedHuman-sized Magnetic Particle Imaging for Brain Applications

343 citations · 829 across the 13 of their papers we have counts for

collaborators

13 papers

physics.app-ph2026

Parameter Estimation for Model-Based Sensing of Magneto-Mechanical Resonators

Sarah Reiss, Tobias Knopp, Justin Ackers +5

Magneto-mechanical resonators (MMRs) represent a recently proposed type of passive sensor that enables the estimation of its pose as well as sensing other parameters in its environ…

eess.IV2025

Deep Learning for Restoring MPI System Matrices Using Simulated Training Data

Artyom Tsanda, Sarah Reiss, Konrad Scheffler +2

Magnetic particle imaging reconstructs tracer distributions using a system matrix obtained through time-consuming, noise-prone calibration measurements. Methods for addressing impe…

physics.ins-det2025

Uncertainties of a Spherical Magnetic Field Camera

Fynn Foerger, Philip Suskin, Marija Boberg +3

Spherical harmonic expansions are well-established tools for estimating magnetic fields from surface measurements and are widely used in applications such as tomographic imaging, g…

physics.app-ph2025

Real-Time 3D Magnetic Field Camera for a Spherical Volume

Fynn Foerger, Marija Boberg, Niklas Hackelberg +8

Accurate and efficient volumetric magnetic field measurements are essential for a wide range of applications. Conventional methods are often limited in terms of measurement speed a…

physics.med-ph2023★ 38 cited

System Characterization of a Human-Sized 3D Real-Time Magnetic Particle Imaging Scanner for Cerebral Applications

Florian Thieben, Fynn Foerger, Fabian Mohn +6

Since the initial patent in 2001, the Magnetic Particle Imaging (MPI) community has been striving to develop an MPI scanner suitable for human applications. Numerous contributions…

physics.med-ph2023★ 2 cited

Unique Compact Representation of Magnetic Fields using Truncated Solid Harmonic Expansions

Marija Boberg, Tobias Knopp, Martin Möddel

Precise knowledge of magnetic fields is crucial in many medical imaging applications like magnetic resonance imaging or magnetic particle imaging (MPI) as they are the foundation o…

cs.MS2022

NFFT.jl: Generic and Fast Julia Implementation of the Nonequidistant Fast Fourier Transform

Tobias Knopp, Marija Boberg, Mirco Grosser

The non-equidistant fast Fourier transform (NFFT) is an extension of the famous fast Fourier transform (FFT), which can be applied to non-equidistantly sampled data in time/space o…

physics.med-ph2022★ 29 cited

Simultaneous Imaging of Widely Differing Particle Concentrations in MPI: Problem Statement and Algorithmic Proposal for Improvement

Marija Boberg, Nadine Gdaniec, Patryk Szwargulski +3

Magnetic Particle Imaging (MPI) is a tomographic imaging technique for determining the spatial distribution of superparamagnetic nanoparticles. Current MPI systems are capable of i…

physics.med-ph2022★ 19 cited

Suppression of Motion Artifacts Caused by Temporally Recurring Tracer Distributions in Multi-Patch Magnetic Particle Imaging

Nadine Gdaniec, Marija Boberg, Martin Möddel +2

Magnetic particle imaging is a tracer based imaging technique to determine the spatial distribution of superparamagnetic iron oxide nanoparticles with a high spatial and temporal r…

physics.med-ph2022★ 30 cited

Generalized MPI Multi-Patch Reconstruction using Clusters of similar System Matrices

Marija Boberg, Tobias Knopp, Patryk Szwargulski +1

The tomographic imaging method magnetic particle imaging (MPI) requires a multi-patch approach for capturing large field of views. This approach consists of a continuous or stepwis…

physics.med-ph2021★ 25 cited

System Matrix based Reconstruction for Pulsed Sequences in Magnetic Particle Imaging

Fabian Mohn, Tobias Knopp, Marija Boberg +3

Improving resolution and sensitivity will widen possible medical applications of magnetic particle imaging. Pulsed excitation promises such benefits, at the cost of more complex ha…

cond-mat.mes-hall2021

Modeling the Magnetization Dynamics for Large Ensembles of Immobilized Magnetic Nanoparticles in Multi-dimensional Magnetic Particle Imaging

Hannes Albers, Tobias Knopp, Martin Möddel +2

Magnetic nanoparticles (MNPs) play an important role in biomedical applications including imaging modalities such as MRI and magnetic particle imaging (MPI). The latter one exploit…

physics.med-ph2018★ 343 cited

Human-sized Magnetic Particle Imaging for Brain Applications

M. Gräser, F. Thieben, P. Szwargulski +11

Determining the brain perfusion is an important task for the diagnosis and treatment of vascular diseases such as occlusions and intracerebral haemorrhage. Even after successful di…