Rapid MRI System Calibration using 3DREAM
Daniel Brenner 1 , Rdiger Stirnberg 1 , Eberhard Daniel Pracht 1 , and Tony Stcker 1,2
German Center for Neurodegenerative Diseases
(DZNE), Bonn, Germany,
of Physics and Astronomy, University of Bonn, Bonn,
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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