Zhengguo Tan
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View article: fastMRI Breast: A publicly available radial k-space dataset of breast dynamic contrast-enhanced MRI
fastMRI Breast: A publicly available radial k-space dataset of breast dynamic contrast-enhanced MRI Open
This data curation work introduces the first large-scale dataset of radial k-space and DICOM data for breast DCE-MRI acquired in diagnostic breast MRI exams. Our dataset includes case-level labels indicating patient age, menopause status, …
View article: Model-Based Reconstruction for Joint Estimation of $T_{1}$, $R_{2}^{*}$ and $B_{0}$ Field Maps Using Single-Shot Inversion-Recovery Multi-Echo Radial FLASH
Model-Based Reconstruction for Joint Estimation of $T_{1}$, $R_{2}^{*}$ and $B_{0}$ Field Maps Using Single-Shot Inversion-Recovery Multi-Echo Radial FLASH Open
Purpose: To develop a model-based nonlinear reconstruction for simultaneous water-specific $T_{1}$, $R_{2}^{*}$, $B_{0}$ field and/or fat fraction (FF) mapping using single-shot inversion-recovery (IR) multi-echo radial FLASH. Methods: The…
View article: Accelerated diffusion-weighted magnetic resonance imaging at 7 T: Joint reconstruction for shift-encoded navigator-based interleaved echo planar imaging (JETS-NAViEPI)
Accelerated diffusion-weighted magnetic resonance imaging at 7 T: Joint reconstruction for shift-encoded navigator-based interleaved echo planar imaging (JETS-NAViEPI) Open
The pursuit of high spatial-angular-temporal resolution for in vivo diffusion-weighted magnetic resonance imaging (DW-MRI) at ultra-high field strength (7 T and above) is important in understanding brain microstructure and function. Such p…
View article: NAViEPI
NAViEPI Open
This zenodo repository hosts the data from accelerated diffusion weighted magnetic resonance imaging (DW-MRI) at 7T, highlighting our joint reconstruction technique for shift-encoded navigator-based interleaved echo planar imaging (JETS-NA…
View article: MR-Pub-III_jets_diffusion_mri_7t_llr
MR-Pub-III_jets_diffusion_mri_7t_llr Open
This zenodo repository hosts the data from accelerated diffusion weighted magnetic resonance imaging (DW-MRI) at 7T, highlighting our joint reconstruction technique for shift-encoded navigator-based interleaved echo planar imaging (JETS-NA…
View article: NAViEPI
NAViEPI Open
This zenodo repository hosts the data from accelerated diffusion weighted magnetic resonance imaging (DW-MRI) at 7T, highlighting our joint reconstruction technique for shift-encoded navigator-based interleaved echo planar imaging (JETS-NA…
View article: MR-Pub-III_jets_diffusion_mri_7t_llr
MR-Pub-III_jets_diffusion_mri_7t_llr Open
Dataset used in MR-Pub-III in ISMRM 2023 to demonstrate our joint reconstruction technique for diffusion MRI at ultra-high field (7 T).
View article: MR-Pub-III_jets_diffusion_mri_7t_llr
MR-Pub-III_jets_diffusion_mri_7t_llr Open
Dataset used in MR-Pub-III in ISMRM 2023 to demonstrate our joint reconstruction technique for diffusion MRI at ultra-high field (7 T).
View article: Free-Breathing Myocardial T1 Mapping using Inversion-Recovery Radial FLASH and Motion-Resolved Model-Based Reconstruction
Free-Breathing Myocardial T1 Mapping using Inversion-Recovery Radial FLASH and Motion-Resolved Model-Based Reconstruction Open
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-based reconstruction. Methods: Free-running (free-breathing, re…
View article: Correction to ‘Physics-based reconstruction methods for magnetic resonance imaging’
Correction to ‘Physics-based reconstruction methods for magnetic resonance imaging’ Open
View article: mrirecon/bart: version 0.7.00
mrirecon/bart: version 0.7.00 Open
Changes: new tools: signal mobafit roistat pol2mask conway signal: tool to simulate MRI signals mobafit: tool for point-wise fitting roistat: tool to compute ROI statistics pol2mask: tool to compute masks from polygons conway: Conway's gam…
View article: Free-Breathing Liver Fat, $R_2^*$ and $B_0$ Field Mapping Using Multi-Echo Radial FLASH and Regularized Model-based Reconstruction
Free-Breathing Liver Fat, $R_2^*$ and $B_0$ Field Mapping Using Multi-Echo Radial FLASH and Regularized Model-based Reconstruction Open
This work introduced a stack-of-radial multi-echo asymmetric-echo MRI sequence for free-breathing liver volumetric acquisition. Regularized model-based reconstruction was implemented in Berkeley Advanced Reconstruction Toolbox (BART) to jo…
View article: Free-Breathing Water, Fat, $R_2^{\star}$ and $B_0$ Field Mapping of the Liver Using Multi-Echo Radial FLASH and Regularized Model-based Reconstruction (MERLOT).
Free-Breathing Water, Fat, $R_2^{\star}$ and $B_0$ Field Mapping of the Liver Using Multi-Echo Radial FLASH and Regularized Model-based Reconstruction (MERLOT). Open
Purpose: To achieve free-breathing quantitative fat and $R_2^*$ mapping of the liver using model-based iterative reconstruction, dubbed as MERLOT. Methods: For acquisition, we use a multi-echo radial FLASH (fast low-angle shot) sequence th…
View article: Data for: Free-Breathing Water, Fat, R2∗ and B0 Field Mapping of the Liver Using Multi-Echo Radial FLASH and Regularized Model-based Reconstruction (MERLOT)
Data for: Free-Breathing Water, Fat, R2∗ and B0 Field Mapping of the Liver Using Multi-Echo Radial FLASH and Regularized Model-based Reconstruction (MERLOT) Open
Data for our manuscript with title "Free-Breathing Water, Fat, R2∗ and B0 Field Mapping of the Liver Using Multi-Echo Radial FLASH and Regularized Model-based Reconstruction (MERLOT)"
View article: Data for: Free-Breathing Water, Fat, R2∗ and B0 Field Mapping of the Liver Using Multi-Echo Radial FLASH and Regularized Model-based Reconstruction (MERLOT)
Data for: Free-Breathing Water, Fat, R2∗ and B0 Field Mapping of the Liver Using Multi-Echo Radial FLASH and Regularized Model-based Reconstruction (MERLOT) Open
Data for our manuscript with title "Free-Breathing Water, Fat, R2∗ and B0 Field Mapping of the Liver Using Multi-Echo Radial FLASH and Regularized Model-based Reconstruction (MERLOT)"
View article: Data for: Physics-based Reconstruction Methods for Magnetic Resonance Imaging
Data for: Physics-based Reconstruction Methods for Magnetic Resonance Imaging Open
Magnetic Resonance Imaging measurement data used in our paper about 'Physics-based Reconstruction Methods for Magnetic Resonance Imaging' (DOI: 10.1098/rsta.2020.0196). (In version 2 the IR-FLASH data set was replaced with one which is fro…
View article: Data for: Physics-based Reconstruction Methods for Magnetic Resonance Imaging
Data for: Physics-based Reconstruction Methods for Magnetic Resonance Imaging Open
Magnetic Resonance Imaging measurement data used in our paper about 'Physics-based Reconstruction Methods for Magnetic Resonance Imaging' (DOI: 10.1098/rsta.2020.0196). (In version 2 the IR-FLASH data set was replaced with one which is fro…
View article: Data for: Physics-based Reconstruction Methods for Magnetic Resonance Imaging
Data for: Physics-based Reconstruction Methods for Magnetic Resonance Imaging Open
Magnetic Resonance Imaging measurement data used in our paper about 'Physics-based Reconstruction Methods for Magnetic Resonance Imaging'
View article: mrirecon/bart: version 0.6.00
mrirecon/bart: version 0.6.00 Open
Changes: new tools: bin ssa upat rmfreq bin: tool for binning of dynamic data (Sebastian Rosenzweig) ssa: Singular Spectrum Analysis (SSA) and SSA-FARY method (Sebastian Rosenzweig) rmfreq: remove angle-dependent frequency in radial acqui…
View article: Real‐time multi‐directional flow MRI using model‐based reconstructions of undersampled radial FLASH – A feasibility study
Real‐time multi‐directional flow MRI using model‐based reconstructions of undersampled radial FLASH – A feasibility study Open
The purpose of this work was to develop an acquisition and reconstruction technique for two‐ and three‐directional (2d and 3d) phase‐contrast flow MRI in real time. A previous real‐time MRI technique for one‐directional (1d) through‐plane …
View article: Magnetic resonance imaging of brain cell water
Magnetic resonance imaging of brain cell water Open
In the central nervous system of vertebrates, cell bodies of neurons are often assembled as nuclei or cellular layers that play specific roles as functional units. The purpose of this work was to selectively highlight such cell assemblies …
View article: Magnetic resonance imaging of noradrenergic neurons
Magnetic resonance imaging of noradrenergic neurons Open
Noradrenaline is a neurotransmitter involved in general arousal, selective attention, memory, inflammation, and neurodegeneration. The purpose of this work was to delineate noradrenergic neurons in vivo by T1-weighted MRI with m…
View article: Diffusion‐weighted MRI of the prostate without susceptibility artifacts: Undersampled multi‐shot turbo‐STEAM with rotated radial trajectories
Diffusion‐weighted MRI of the prostate without susceptibility artifacts: Undersampled multi‐shot turbo‐STEAM with rotated radial trajectories Open
The aim of this study was to develop and evaluate a clinically feasible approach to diffusion‐weighted (DW) MRI of the prostate without susceptibility‐induced artifacts. The proposed method relies on an undersampled multi‐shot DW turbo‐STE…
View article: Model‐based reconstruction for real‐time phase‐contrast flow MRI: Improved spatiotemporal accuracy
Model‐based reconstruction for real‐time phase‐contrast flow MRI: Improved spatiotemporal accuracy Open
Purpose To develop a model‐based reconstruction technique for real‐time phase‐contrast flow MRI with improved spatiotemporal accuracy in comparison to methods using phase differences of two separately reconstructed images with differential…
View article: Advances in real-time phase-contrast flow MRI and multi-echo radial FLASH
Advances in real-time phase-contrast flow MRI and multi-echo radial FLASH Open
The conventional multi-echo radial fast flow angle shot (FLASH) utilizes bipolar readout gradients with the same amplitude and duration to sample echoes in a fly-back-and-forth manner. This strategy is inefficient with respect to k-space c…
View article: Advances in real-time phase-contrast flow MRI using asymmetric radial gradient echoes
Advances in real-time phase-contrast flow MRI using asymmetric radial gradient echoes Open
Asymmetric gradient echoes were successfully implemented for highly undersampled radial trajectories. The resulting temporal gain offers full velocity compensation for real-time phase-contrast flow MRI which minimizes false-positive contri…