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Abstract #2469

Motion-Tracking: Fast High-Resolution 2D Motion Quantification and Depiction of Shivering

Eberhard Eduard Munz1, Andreas Johannes Hopfgartner1, Sairamesh Raghuraman2, Titus Lanz3, Peter Michael Jakob1

1Experimental Physics 5, University of Wrzburg, Wrzburg, Germany; 2MRB Research Centre, Wrzburg, Germany; 3Rapid Biomedical GmbH, Rimpar, Germany

In hand imaging the "superman position" is stressful for the patient and therfore prone to image artifacts. In this study we used the method of cross-correlation in order to detect a contrast agent-filled sphere attached to the patient's hand. Detecting the marker very accurately and hence quantificating the amount of motion caused by three different hand-positions we identified the least stress-causing position for the patient. Herefrom it is possible to reduce the patient's shivering to a minimum and furthermore enhance image quality in high-field (7T) MR-Imaging.