Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition
9 May 2026 – 14 May 2026 · Cape Town, South Africa
451-03-002 / 451-03-002 ISMRM Abstract

Time-Resolved Respiratory Motion Compensation for Cardiac MRI via Latent Manifold Learning

Primary: Acquisition & Reconstruction - Motion Correction: Non-Neuro
Secondary: Acquisition & Reconstruction - Image Reconstruction: AI
451-03-002 · Cardiac Structure, Function, and Tissue Characterization · Tuesday, 12 May, 4:00 PM–5:36 PM · Power Pitch Theatre 1
451-03-002 · Cardiac Structure, Function, and Tissue Characterization · Tuesday, 12 May, 4:00 PM–5:36 PM · Power Pitch Theatre 1
Keywords: AI/ML Image Reconstruction Cardiac MRI Implicit neural representation Dynamic MRI Reconstruction Motion compensation
Accepted
Zheyuan Hu1,2, Xinguo Fang 1,2, Xi Chen1, Lingceng Ma1, Kim-Lien Nguyen1,2,3,4, Anthony G Christodoulou1,2,3
1Department of Radiological Sciences, David Geffen School of Medicine at UCLA, Los Angeles, United States of America
2Department of Bioengineering, University of California Los Angeles, Los Angeles, United States of America
3Physics and Biology in Medicine Graduate Program, University of California Los Angeles, Los Angeles, United States of America
4Division of Cardiology, David Geffen School of Medicine at UCLA and VA Greater Los Angeles Healthcare System, Los Angeles, United States of America
Presenting Author: Xinguo Fang

Synopsis

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References

1. Feng L, Axel L, Chandarana H, Block KT, Sodickson DK, Otazo R. XD-GRASP: Golden-angle radial MRI with reconstruction of extra motion-state dimensions using compressed sensing. Magn Reson Med. 2016;75:775-788. doi: 10.1002/mrm.25665 [doi]
2. Christodoulou AG, Shaw JL, Nguyen C, et al. Magnetic resonance multitasking for motion-resolved quantitative cardiovascular imaging. Nature Biomedical Engineering. 2018;2:215-226. doi: 10.1038/s41551-018-0217-y [doi]
3. Zhao Z, Lee H-L, Ruan D, et al. Ferumoxytol-enhanced 5D multiphase steady-state imaging using rotating cartesian K-space with low-rank reconstruction for pediatric congenital heart disease. J Magn Reson Imaging. 2025;61:1311-1322. doi: 10.1002/jmri.29565 [doi]
4. Hu Z, Lee H-L, Cao T, et al. Enhanced cardiac motion capture during respiration via RF receiver cardiac focusing with respiratory motion compensation. Proceedings of the 33rd Annual Meeting of ISMRM. Hawaii, US: ISMRM; 2025. p. 0327. doi.org/10.58530/2025/0327 [doi]
5. Zou Q, Priya S, Nagpal P, Jacob M. Joint cardiac T1 mapping and cardiac cine using manifold modeling. Bioengineering. 2023;10:345. doi:10.3390/bioengineering10030345 [doi]
6. Fang X, Christodoulou AG. Generative MR Multitasking: Bridging real-time and gated imaging with complex-valued cardiac encoding and neural subspace representations. Proceedings of the 33rd Annual Meeting of ISMRM. Hawaii, US: ISMRM; 2025. p. 0121. doi.org/10.58530/2025/0121 [doi]
7. Han F, Zhou Z, Han E, et al. Self-gated 4D multiphase, steady-state imaging with contrast enhancement (MUSIC) using rotating cartesian K-space (ROCK): validation in children with congenital heart disease. Magn Reson Med. 2017;78:472-483. doi: 10.1002/mrm.26376 [doi]
8. Kim D, Cauley SF, Nayak KS, Leahy RM, Haldar JP. Region-optimized virtual (ROVir) coils: Localization and/or suppression of spatial regions using sensor-domain beamforming. Magn Reson Med. 2021;86:197-212. doi: 10.1002/mrm.28706 [doi]

Cite this abstract

http://echo.ismrm.org/p/ISMRM2026/451-03-002