Reliable in Vivo Shimming for Solving Shim Degeneracy and Incorporating System Constaints at High B0 Fields

Keywords

absolute account acquisition active addition address approaches automatically available become border brain calculating channel channels chosen coil coils coincided columns combinations compensated computed conditioned considered constrained constraint constraints contains correct corrective cubic decomposition defined degeneracy dept determines diagonal diagram dimension displays distribution driven dual education else entire equal equality example exceeded expressed federal field fields finding five form frequency functions furthermore histogram implemented improved in vivo incorporating independence indicated indicates induction inhomogeneities inhomogeneity initial inside instability interactions inversion last leading least limitation limitations linear maps mask matrix maxim medical minimization modifications modify move neurology numerical occurs offset often optimization optimize part particular perturb positive possibilities potential power previously problem project propose proposed quadratic radiology reached reliable replaced representative represented residual respected scanner segmentation several shim shimming shims since singular slice slices smallest solve solved solves solving spherical square squared static successfully supply susceptibility system table taking transverse unconstrained unitary user violated volume volumes