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Abstract #1304

A Comparison of Prospective Motion Correction with 19F NMR Field Probes and an Optical Camera

Martin Eschelbach1, Ali Aghaeifar1, Jonas Bause1, Jonas Handwerker2, Jens Anders2, Axel Thielscher1,3, and Klaus Scheffler1,4

1High Field Magnetic Resonance Center, Max Planck Institute for Biological Cybernetics, Tuebingen, Germany, 2Institute for Microelectronics, University of Ulm, Ulm, Germany, 3Danish Research Centre for Magnetic Resonance, Copenhagen University Hospital Hvidovre, Copenhagen, Denmark, 4Department of Biomedical Magnetic Resonance, University Clinic Tuebingen, Tuebingen, Germany

This work shows a comparison of prospective motion correction using NMR field probes and an optical tracking system in a phantom with induced motion as well as in an initial in vivo experiment. Tracking results for both systems were recorded concurrently to compare the motion estimates. The prospectively corrected images of a moving phantom and a moving human subject show a comparable correction ability for both systems. However, the lower precision of the field probe based system might prevent an application in highest-resolution imaging.

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