Abstract #1303
An MRI Compatible Surface Scanner
Oline V. Olesen 1,2 , Jakob Wilm 1,3 , Andre van der Kouwe 2 , Rasmus R. Jensen 1 , Rasmus Larsen 1 , and Lawrence L. Wald 2
1
DTU Compute, Technical University of
Denmark, Lyngby, Denmark,
2
Athinoula.
A. Martinos Center for Biomedical Imaging, Dept. of
Radiology, Massachusetts General Hospital,
Massachusetts, United States,
3
Department
of Clinical Physiology, Nuclear Medicine & PET,
Rigshospitalet, University of Copenhagen, Denmark
We present the hardware design of an optical surface
scanner for in-bore applications. It is the first remote
structured light scanner that transmits projected
patterns onto the subject and captures their images
through optical fiber bundles. MPRAGE and EPI images of
a phantom were acquired with simultaneous surface
scanning. The system design was shown to be MRI
compatible and functional on the Siemens mMR Biograph.
This technology could be used for monitoring and
markerless tracking of surfaces e.g. real-time motion
correction feedback without the use of MR navigators or
optical markers.
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