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Abstract #3359

Motion Correction Strategy for Multi-Contrast based 3D parametric imaging: Application to Inhomogeneous Magnetization Transfer (ihMT)

Lucas Soustelle1,2, Julien Lamy3, Arnaud Le Troter1,2, Patrick Viout1,2, Lauriane Pini1,2, Claire Costes1,2, Jean-Philippe Ranjeva1,2, Maxime Guye1,2, Adil Maarouf1,2,4, Bertrand Audoin1,2,4, Clémence Boutière1,2,4, Audrey Rico1,2,4, Gopal Varma5, David C Alsop5, Jean Pelletier1,2,4, Olivier M Girard1,2, and Guillaume Duhamel1,2
1Aix-Marseille Univ, CNRS, CRMBM, Marseille, France, 2APHM, Hôpital Universitaire Timone, CEMEREM, Marseille, France, 3Université de Strasbourg, CNRS, ICube, FMTS, Strasbourg, France, 4APHM, Hôpital Universitaire Timone, Service de neurologie, Marseille, France, 5Division of MR Research, Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, United States

Multi-contrast-based parametric MRI techniques provide parametric maps intrinsically sensitive to voxel misalignment upon images combination.

In this work, we propose an efficient retrospective motion correction method adapted to this problem, with an application to inhomogeneous Magnetization Transfer (ihMT) imaging. The proposed method is confronted with the MCFLIRT (FSL) method used as reference, and residual motion is quantified and analysed across native and motion corrected images.

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