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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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