530-02-004 ISMRM Abstract

Learning Non-Rigid Motion From MIMO RF Navigators

Primary: Acquisition & Reconstruction - Motion Correction: Non-Neuro

Secondary: Analysis Methods - Image Registration and Alignment

530-02-004 · Registration, Atlases, and Motion · Wednesday, 13 May, 8:20 AM–10:10 AM · Meeting Room 2.60

Keywords: Pilot Tone Beat Pilot Tone Radio Frequency Non-Rigid Motion Estimation 3D Head-Neck Motion

Accepted

Rinni Bhansali ¹, Thomas E Olausson², Gustavo Perez¹, Philippa Krahn¹, Alessandro A Sbrizzi², Michael Lustig¹

¹Department of Electrical Engineering and Computer Sciences, University of California, Berkeley, United States of America

²Computational Imaging Group for MR Therapy and Diagnostics, Center for Image Sciences, UMC Utrecht, Utrecht, Netherlands

Presenting Author: Rinni Bhansali

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References

1. Zaitsev M, Maclaren J, Herbst M. Motion artifacts in MRI: A complex problem with many partial solutions. J Magn Reson Imaging. 2015 Oct;42(4):887-901. doi: 10.1002/jmri.24850. Epub 2015 Jan 28. PMID: 25630632; PMCID: PMC4517972. [doi] [pmid]

2. Huttinga NRF, van den Berg CAT, Luijten PR, Sbrizzi A. MR-MOTUS: model-based non-rigid motion estimation for MR-guided radiotherapy using a reference image and minimal k-space data. Phys Med Biol. 2020 Jan 10;65(1):015004. doi: 10.1088/1361-6560/ab554a. PMID: 31698354. [doi] [pmid]

3. Huttinga NRF, Bruijnen T, van den Berg CAT, Sbrizzi A. Nonrigid 3D motion estimation at high temporal resolution from prospectively undersampled k-space data using low-rank MR-MOTUS. Magn Reson Med. 2021 Apr;85(4):2309-2326. doi: 10.1002/mrm.28562. Epub 2020 Nov 10. PMID: 33169888; PMCID: PMC7839760. [doi] [pmid]

4. Pruessmann KP, Weiger M, Börnert P, Boesiger P. Advances in sensitivity encoding with arbitrary k-space trajectories. Magn Reson Med. 2001 Oct;46(4):638-51. doi: 10.1002/mrm.1241. PMID: 11590639. [doi] [pmid]

5. Blumenthal M, Holme HCM, Uecker M. Scaling nuFFT Memory-Overhead Down to Zero: Computational Trade-Offs and Memory-Efficient PICS-Reconstructions with BART. ISMRM & ISMRT Annual Meeting & Exhibition; 2023. p. 4947.

Cite this abstract

http://echo.ismrm.org/p/ISMRM2026/530-02-004