Static Magnetic Field Inhomogeneity Correction of Radial MRI Using an Alternating Gradient Readout Acquisition

Keywords

according account acquisition acquisitions adaptive allows alternating although applied applying approximate approximation around artifacts available averaging background best biomedical black blue bottom boundary cause causes clearly closest comparing complex comprising conditions conducted correct corrected correcting correction corrupted curve curves degraded described detected displacement displacements domain encode encoding engineering equally essentially estimation exclude experiencing feasible field final frequency gore gradient highlighted holes illustrated imaginary implemented improvement indicates inhomogeneities inhomogeneity institute integration intensity intermediate interpolation investigation john knowledge little locate location locations longer major materials math needed neighbors noticeable numerical numerous operates original pair pairing pared parts pattern phantom position previously prior project projection projections proposed quart radial radiological radiology readout real reconstructed reconstruction rectangles relatively removed represents require required reverse reversed sample samples scanner science sciences sets sides slice smoother solved space spaced spatial spline static step theorem thresholding trajectory trans transformed true unbiased uniformly white window yielded zigzag zoom