Self-Correction of B1 Inhomogeneity Artifact in Diffusion-Weighted Imaging Using Double-Angle Excitation

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abstract actual acute addition additional amplitude applications applied arrows artifact artifacts assumption better build calculation calibrate changing channel china coil conditions consequently correct corrected correction cost date degenerate demands described developed diagnoses differentiate diffusion double embed equal equation equipped example except excitation experiment expressed field final fixed flowing fulfill furthermore gray head herein homogeneity idea identify impact impacted implemented improve in vivo indicated induce induced infarction inhomogeneity intensities intensity keep linear make many mapping matrix maximize measured mechanism might modified moreover neck negatively noise nominal note obvious often original output pair particular pathologic post principle processing product proposed pulses quality quantitative reception reciprocity reconstructed reconstruction reduce refocusing related relationship remained repetition repetitions requirement respectively scanning schema scheme self serve simplified simply slice slices spectra sure symmetry system take tanner theoretically transmission uniformity validated variation variations variety whole widely worry