activity
20182025
most citedPhysics-based Reconstruction Methods for Magnetic Resonance Imaging

37 citations · 150 across the 10 of their papers we have counts for

collaborators

10 papers

physics.med-ph2025

Dynamic transitions for fast joint acquisition and reconstruction of CEST-Rex and T1

Markus Huemer, Clemens Stilianu, Nick Scholand +4

Purpose: This work proposes a method for the simultaneous estimation of the exchange-dependent relaxation rate Rex and the longitudinal relaxation time T1 from a single acquisition…

physics.med-ph2024

Model-Based Reconstruction for Joint Estimation of , and Field Maps Using Single-Shot Inversion-Recovery Multi-Echo Radial FLASH

Xiaoqing Wang, Nick Scholand, Zhengguo Tan +5

Purpose: To develop a model-based nonlinear reconstruction for simultaneous water-specific , , field and/or fat fraction (FF) mapping using single-shot in…

physics.med-ph2024★ 2 cited

Rational Approximation of Golden Angles: Accelerated Reconstructions for Radial MRI

Nick Scholand, Philip Schaten, Christina Graf +6

Purpose: To develop a generic radial sampling scheme that combines the advantages of golden ratio sampling with simplicity of equidistant angular patterns. The irrational angle bet…

physics.med-ph2022★ 17 cited

Quantitative Magnetic Resonance Imaging by Nonlinear Inversion of the Bloch Equations

Nick Scholand, Xiaoqing Wang, Volkert Roeloffs +2

Purpose: Development of a generic model-based reconstruction framework for multi-parametric quantitative MRI that can be used with data from different pulse sequences. Methods: Gen…

physics.med-ph2021★ 17 cited

Free-Breathing Myocardial T1 Mapping using Inversion-Recovery Radial FLASH and Motion-Resolved Model-Based Reconstruction

Xiaoqing Wang, Sebastian Rosenzweig, Volkert Roeloffs +7

Purpose: To develop a free-breathing myocardial T1 mapping technique using inversion-recovery (IR) radial fast low-angle shot (FLASH) and calibrationless motion-resolved model-base…

physics.med-ph2021★ 15 cited

Free-Breathing Liver Fat, and Field Mapping Using Multi-Echo Radial FLASH and Regularized Model-based Reconstruction

Zhengguo Tan, Christina Unterberg-Buchwald, Moritz Blumenthal +6

This work introduced a stack-of-radial multi-echo asymmetric-echo MRI sequence for free-breathing liver volumetric acquisition. Regularized model-based reconstruction was implement…

eess.IV2020★ 37 cited

Physics-based Reconstruction Methods for Magnetic Resonance Imaging

Xiaoqing Wang, Zhengguo Tan, Nick Scholand +2

Conventional Magnetic Resonance Imaging (MRI) is hampered by long scan times and only qualitative image contrasts that prohibit a direct comparison between different systems. To ad…

physics.med-ph2019★ 26 cited

Model-Based Reconstruction for Simultaneous Multi-Slice T1 Mapping using Single-Shot Inversion-Recovery Radial FLASH

Xiaoqing Wang, Sebastian Rosenzweig, Nick Scholand +2

Purpose: To develop a single-shot multi-slice T1 mapping method by combing simultaneous multi-slice (SMS) excitations, single-shot inversion-recovery (IR) radial fast low-angle sho…

physics.med-ph2019

Model-Based Reconstruction for Quantitative MRI using the Bloch Equations

Nick Scholand

In this work a generic model-based reconstruction for the quantification of relaxation parameters is developed. In contrast to previous approaches that rely on simplified models de…

physics.med-ph2018★ 36 cited

Cardiac and Respiratory Self-Gating in Radial MRI using an Adapted Singular Spectrum Analysis (SSA-FARY)

Sebastian Rosenzweig, Nick Scholand, H. Christian M. Holme +1

Cardiac Magnetic Resonance Imaging (MRI) is time-consuming and error-prone. To ease the patient's burden and to increase the efficiency and robustness of cardiac exams, interest in…