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2D Spiral imaging. Reconstructed images with (a) Nominal and measured trajectory, image reconstructed with (b) nominal trajectory, (c) delay-corrected trajectory, (d) GIRF trajectory, (e) extensively measured trajectory, (f) quickly measured trajectory, and (g) difference image with respect to (e). Note that all 48 arms were individually processed in the extensive measurement in (e), while only 4 basis arms were processed in quick measurement in (f).
