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Motion-Robust Deep Reconstruction for Free-Breathing Cardiac Cine MRI
Mahmut Yurt, · 2026-05-21 · via cs.LG updates on arXiv.org

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Abstract:Conventional cardiac cine MRI relies on breath-hold Cartesian acquisitions, which are vulnerable to motion artifacts and can be uncomfortable or infeasible, particularly for pediatric and other noncompliant patients who cannot reliably hold their breath. Free-breathing radial acquisitions can alleviate these limitations, but robust reconstruction at high acceleration remains challenging due to prominent streak artifacts. To address these limitations, we propose Cine-DL, a clinically oriented framework that couples targeted k-space preprocessing with fast, model-based deep reconstruction. In this pipeline, raw free-breathing radial data undergo retrospective cardiac binning and respiratory gating to resolve cardiac phases and discard motion-corrupted spokes. We then introduce Streak Optimized Coil Compression (SOC), which explicitly preserves cardiac signals while suppressing peripheral interference that typically drives the streak artifacts. The resulting 2D+t cine series is reconstructed with an unrolled network that alternates a ResNet proximal operator with physics-based data consistency updates solved via conjugate gradient. We further employ a memory-efficient training strategy that reduces peak memory usage. We evaluate Cine-DL on free-breathing volunteer data against established baselines (k-t SENSE and iGRASP) and demonstrate clinical translation via hospital deployment on newly acquired patient data. Our experiments show that Cine-DL consistently improves quantitative metrics and visual fidelity, supporting a practical route toward routine, time-sensitive clinical adoption of free-breathing cine MRI.
Subjects: Image and Video Processing (eess.IV); Machine Learning (cs.LG)
Cite as: arXiv:2605.20687 [eess.IV]
  (or arXiv:2605.20687v1 [eess.IV] for this version)
  https://doi.org/10.48550/arXiv.2605.20687

arXiv-issued DOI via DataCite (pending registration)

Submission history

From: Mahmut Yurt [view email]
[v1] Wed, 20 May 2026 04:31:03 UTC (9,066 KB)

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