Background Field Removal Through Infinite Spherical Mean Value Operation

Keywords

accurate acting afterwards alleviated allowed applied approaches arbitrary artifact aspect assess astronomy background biomedical brook bypassed careful caused certain chosen coil college combine completely conditions consistent containing contrast convolution criteria deconvolution degree dependence deviated digitized dipole discrete distributive effectively either eliminated eliminates empirical employed engineering eroded error evaluate excite experiment expressed field filtering finite fitting five form function functions furthermore gadolinium gradient greater harmonic healthy hollow human increasing infinite influences inhomogeneity invoking involves iteration iterative keeping kernel local loss many mask material measured medical millimeters negligible noted operation original pathological performance phantom phys physics physiological potential principle problem processed processing property proven radii radiology radius reception reduce reduced reducing reduction removal remove removed repaired repeatedly resembles retain scanned scanner schools selection selections severely sharp significantly similarity slice smallest solid solutions sophisticated sphere spherical step stony structures subject subjects surface susceptibility taking threshold true truncation utilizing validation varied various vials volunteers water