Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition
9 May 2026 – 14 May 2026 · Cape Town, South Africa
363-06-011 ISMRM Abstract

Empirical Correction of the Spatial Dependence of VENC due to MRI Gradient Non-linearities using a Rotational Phantom

Primary: Physics & Engineering - System Imperfections
Secondary: Cardiovascular - Flow
363-06-011 · Hemodynamics and Flow · Monday, 11 May, 5:05 PM–6:00 PM · Digital Posters Row D
Keywords: Flow System Imperfections: Measurement & Correction Velocity & Flow Gradient non-linearity 2D-Qflow
Accepted
Hannes Dillinger 1, Sebastian Schmitter1,2,3
1Physikalisch-Technische Bundesanstalt (PTB), Braunschweig and Berlin, Berlin, Germany
2Medical Physics in Radiology, German Cancer Research Center (DKFZ), Heidelberg, Germany
3Center for Magnetic Resonance Research (CMRR), University of Minnesota, Minneapolis, United States of America
Presenting Author: Hannes Dillinger

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References

1. Walheim J, Dillinger H, Gotschy A, Kozerke S. 5D Flow Tensor MRI to Efficiently Map Reynolds Stresses of Aortic Blood Flow In-Vivo. Sci Rep. 2019;9(1):1-12. doi:10.1038/s41598-019-55353-x [doi]
2. Tan ET, Marinelli L, Slavens ZW, King KF, Hardy CJ. Improved correction for gradient nonlinearity effects in diffusion‐weighted imaging. J Magn Reson Imaging. 2013;38(2):448-453. doi:10.1002/jmri.23942 [doi]
3. Hansen CB, Rogers BP, Schilling KG, et al. Empirical field mapping for gradient nonlinearity correction of multi-site diffusion weighted MRI. Magn Reson Imaging. 2021;76(November 2020):69-78. doi:10.1016/j.mri.2020.11.005 [doi]
4. Markl M, Bammer R, Alley MT, et al. Generalized reconstruction of phase contrast MRI: Analysis and correction of the effect of gradient field distortions. Magn Reson Med. 2003;50(4):791-801. doi:10.1002/mrm.10582 [doi]
5. Wang Y, Thuemmler S, Schmitter S, et al. Analytical Ground Truth for Phase-Contrast MRI experiments and simulations: Open-Source Precision-Controlled Bidirectional Rotational Phantom. IEEE Transactions on Biomedical Engineering 2025, in submission.

Cite this abstract

http://echo.ismrm.org/p/ISMRM2026/363-06-011