Abstract #4334
Joint multi-shift and Magnitude Least Squares (msMLS) algorithm for time efficient low SAR and low peak RF pulse design
Alessandro Sbrizzi 1 , Shaihan J Malik 2 , Cornelis A van den Berg 3 , Peter R Luijten 3 , and Hans Hoogduin 3
1
UMC Utrecht, Utrecht, NL, Netherlands,
2
Kings
College London, London, United Kingdom,
3
UMC
Utrecht, Utrecht, Netherlands
During the last decade, several numerical methods for RF
pulse design have been developed. Recently, the
magnitude least squares (MLS) and the multi-shift
conjugate gradient least squares (msCGLS) algorithms
have been proposed to relax the phase constraint in the
resulting magnetization and to efficiently design RF
pulses with minimum power. In this study, we present a
multi-shift MLS (msMLS) algorithm which presents both
advantages of the MLS and the multi-shift approach
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