Francesco
Padormo1, Shaihan J. Malik1, Jo V. Hajnal1
1Robert Steiner MRI Unit, Imaging
Sciences Department, MRC Clinical Sciences Centre, Hammersmith Hospital,
Imperial College London, London, United Kingdom
We
present a method utilizing the smoothness of the B1+ field to accelerate flip
angle mapping. By randomly undersampling k-space and using a Compressed
Sensing type reconstruction, we show that accurate flip angle distributions
can be found with only 40% of the original data.