User profiles for F. Schweser

Ferdinand Schweser

Associate Professor, University at Buffalo, The State University of New York
Verified email at buffalo.edu
Cited by 6725

Overview of quantitative susceptibility mapping

A Deistung, F Schweser… - NMR in …, 2017 - Wiley Online Library
Magnetic susceptibility describes the magnetizability of a material to an applied magnetic
field and represents an important parameter in the field of MRI. With the recently introduced …

Quantitative susceptibility mapping: concepts and applications

JR Reichenbach, F Schweser, B Serres… - Clinical …, 2015 - Springer
… e SWI and f QSM of a 46-year-old patient with glioblastoma in the frontal lobe, who was treated
with bevacizumab. Several bleedings (arrow head… (Figure parts e and f adapted from [15]) …

An illustrated comparison of processing methods for MR phase imaging and QSM: combining array coil signals and phase unwrapping

…, B Dymerska, JP Marques, F Schweser - NMR in …, 2017 - Wiley Online Library
… Our aim in this article and the related review by Schweser et al. in this special issue is to …
Denoting by F the Fourier analysis operator and by F −1 its inverse, the Fourier synthesis …

[HTML][HTML] Quantitative susceptibility mapping (QSM) as a means to measure brain iron? A post mortem validation study

C Langkammer, F Schweser, N Krebs, A Deistung… - Neuroimage, 2012 - Elsevier
… This research was funded by a Carl Zeiss Foundation dissertation fellowship for Ferdinand
Schweser and a research grant by the German Research Foundation (DFG, RE 1123/9-2). …

Quantitative imaging of intrinsic magnetic tissue properties using MRI signal phase: an approach to in vivo brain iron metabolism?

F Schweser, A Deistung, BW Lehr, JR Reichenbach - Neuroimage, 2011 - Elsevier
… = f ref – f 0 is given by the frequency difference between the Larmor frequency corresponding
to the main field strength f 0 = –γ·B 0 /2π and the adjusted reference frequency f ref of the …

Toward in vivo histology: a comparison of quantitative susceptibility mapping (QSM) with magnitude-, phase-, and R2⁎-imaging at ultra-high magnetic field strength

A Deistung, A Schäfer, F Schweser, U Biedermann… - Neuroimage, 2013 - Elsevier
… The susceptibility maps delineated the medullary lamella (arrow f) of the red nucleus allowing
studying the three compartments of the parvicellular subnucleus of the RN (see arrow c, …

Quantitative susceptibility mapping for investigating subtle susceptibility variations in the human brain

F Schweser, K Sommer, A Deistung, JR Reichenbach - Neuroimage, 2012 - Elsevier
… = M ill F performs a 3D Fourier transform (matrix F) and applies the binary diagonal matrix
M ill that sets to zero all ill-conditioned frequency coefficients. The vector χ → interim contains …

Differentiation between diamagnetic and paramagnetic cerebral lesions based on magnetic susceptibility mapping

F Schweser, A Deistung, BW Lehr… - Medical …, 2010 - Wiley Online Library
Purpose: Identification of calcifications and hemorrhages is essential for the etiological
diagnosis of cerebral lesions. The purpose of this work was to develop a robust method for …

[HTML][HTML] Quantitative susceptibility mapping in Parkinson's disease

…, L Pirpamer, S Seiler, A Deistung, F Schweser… - PLoS …, 2016 - journals.plos.org
Background Quantitative susceptibility mapping (QSM) and R2* relaxation rate mapping have
demonstrated increased iron deposition in the substantia nigra of patients with idiopathic …

Quantitative susceptibility mapping: Report from the 2016 reconstruction challenge

C Langkammer, F Schweser, K Shmueli… - Magnetic resonance …, 2018 - Wiley Online Library
Purpose The aim of the 2016 quantitative susceptibility mapping (QSM) reconstruction challenge
was to test the ability of various QSM algorithms to recover the underlying susceptibility …