Roman Fleysher1, Lazar Fleysher1, Matilde Inglese1, Daniel Sodickson1
1Center for Biomedical Imaging, Department of Radiology, New York University School of Medicine, New York, USA
We present a method of transmit sensitivity estimation in which distribution of B1 values is extracted from two interleaved 3D spoiled-gradient-recalled-echo (SPGR) images acquired with 3D EPI readouts. The precision is a factor of 6 higher than that of the previously reported Actual Flip angle Imaging method in the same time and spatial resolution.