Abstract #3103

Active Shape Models Based Motion Correction for Myocardial T1 Mapping

Hossam El-Rewaidy¹, Shiro Nakamori¹, Gifty Addae¹, Warren Manning¹, and Reza Nezafat¹

¹Cardiovascular Division, Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, United States

A new framework based on Active Shape Models (ASM) is introduced to correct the motion artifacts induced by respiratory and cardiac motion in myocardial T₁ mapping. This framework includes three main steps: training ASM model to capture intensity variations of T₁ images at different inversion times, segmentation of T₁ weighted images using the trained model, and estimating and applying the registration parameters to correct for motion between images.

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