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Coronary Mask Guided Registration for Continuous Time 4D Cardiac CT Dataset Construction

arXiv · AI, language, vision and robotics · article · Aug 28, 2026 · UTC

Objective: Clinical cardiac CT multiphase reconstructions generally provide acceptable image quality in end-diastole (ED) or end-systole (ES) phases, but in other phases may exhibit motion artifacts, especially in the right coronary artery (RCA). This limits ground-truth availability in 4D cardiac CT imaging research. We aim to construct a 4D cardiac CT dataset that is generally suitable to serve as pseudo ground truth. Methods: We propose Coronary Mask Guided Registration (CMGR) to produce a motion-preserved, artifact-reduced, and continuous-time 4D cardiac CT sequence from the clinical multi

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Evidence & attribution

arXiv · AI, language, vision and robotics · 2026-08-28T06:27:48.000Z

First collected: 2026-09-21T08:21:55.975Z. This is not the publication date.