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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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