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
DTU Compute, Technical University of
Denmark, Lyngby, Copenhagen, Denmark,
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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