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Abstract #0587

Markerless Motion Correction in MRI

Rasmus Ramsbl Jensen 1,2 , Claus Benjaminsen 1,2 , Adam Espe Hansen 2 , Rasmus Larsen 1 , and Oline Vinter Olesen 1,2

1 DTU Compute, Technical University of Denmark, Lyngby, Copenhagen, Denmark, 2 Department of Clinical Physiology, Nuclear Medicine & PET, Rigshospitalet, Copenhagen, Denmark

We propose a method for accurate motion correction in brain MRI through markerless tracking. It is the first time markerless tracking is used to correct MRI images. The method has the potential to seamlessly fit the clinical workflow with no added complexity and no errors related to the generally attached markers. It is based on our Tracoline system; a unique remote surface scanner conveying images through optical fibers. The developed software continuously aligns the surface scans, which allows for accurate motion tracking. In this work, we demonstrate our system on the Siemens mMR with motion correction of an EPI sequence.

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