Application of K-Space Energy Spectrum Analysis to Artifact Correction in PROPELLER EPI

Keywords

accurate acquisition although appear application apply around artifact artifacts background better biomedical blade blades blurred brain calculation central characterize circle combined components converted correct corrected correction degraded derived directly displacement distorted distortion distortions duke easy effective efficiency eliminate enabling encoding energy engineering enhanced estimation even every field final finally form frequency fundamentals future generate geometric goal gradients highly improve inconsistent inhomogeneity input instead integrates intra involve iterative leads linear makes mapping maps matched mathematical motion moved much north novel occurs original overlapping overlaps parallel partial patterns peak periodically pipe planar positions potentially presence procedure produce propeller propose proposed proven pulse quality quantify reconstruct reconstructed reconstruction reduction reliably require robustness rotating rotation sampling severely simulation since space specifically spectrum studies subject susceptibility throughout throughput tolerance transform transformed translation undistorted usually valuable worse