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Abstract #0491

Rapid MRI System Calibration using 3DREAM

Daniel Brenner 1 , Rdiger Stirnberg 1 , Eberhard Daniel Pracht 1 , and Tony Stcker 1,2

1 German Center for Neurodegenerative Diseases (DZNE), Bonn, Germany, 2 Department of Physics and Astronomy, University of Bonn, Bonn, Germany

Ultra-fast 3DREAM B1 mapping provides a variety of different calibration information, such as B1 and B0 maps as well as an image suitable for normalization of the receive sensitivity. The DREAM FID images also allow direct coregistration to a brain atlas, which facilitates automatic extraction of regional calibration data. The method is well-suited for receive and transmit bias correction of arbitrary imaging data at high field, as demonstrated for MP-RAGE and 3D-EPI acquired at 7T.

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