Keywords: Motion Correction, Motion Correction, MRI, PET-MRI, liver, navigator, HCC, cancer, free-breathing MRI
Motivation: In current clinical practice, liver MRI scans often suffer from motion artifacts. This issue typically arises because patients struggle to maintain breath-holding.
Goal(s): Our goal is to produce a high-quality, isotropic 3D Dixon T1 scan without the need for breath-holding.
Approach: . Our method involves using a navigator to estimate liver motion, enabling us to calculate non-rigid motion fields for image reconstruction
Results: This approach yields high-quality free-breathing isotropic T1 3D Dixon liver data with a voxel size of 1.3mm³, surpassing the quality of the gold standard non-isotropic breath-hold Dixon T1 liver scan.
Impact: This work aims to deliver previously unseen high-quality free-breathing isotropic 3D Dixon liver data that can surpass the current clinical standard breath-hold non-isotropic T1 3D Dixon liver scans.
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