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Abstract #4859

A Novel Compressed Sensing (CS) Method for B1+ Mapping in 7T

Joonsung Lee1, Elfar Adalsteinsson1,2

1Electrical engineering and computer science, Massachusetts Institute of Technology, Cambridge, MA, United States; 2Harvard-MIT Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, MA, United States


We have developed a novel CS algorithm for B1+ mapping. By imposing smoothness constraint on the B1+ map, we are able to determine B1+ with highly under-sampled data. The method is applied to any kind of B1+ mapping methods.