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mrm24709-sup-0001-suppfig1.pdf251KFIG. S1. Two-shot spiral diffusion-weighted images in four axial slices uncorrected (a) and reconstructed with the iterative phase correction method proposed in (10) (b) or with the SENSE+CG method proposed in this work (c). The images shown in (a,b) are the same as those shown in Fig. 4a,b of (10) and all images were reconstructed with the same off-resonance correction method. This figure shows that both the iterative phase correction method and the SENSE+CG method can largely reduce the motion-induced signal loss and aliasing artifacts. In the frontal regions, the performance of the SENSE+CG method is even slightly higher, most likely because of its ability to correct not only for linear phase errors caused by rigid-body motion, but also for residual nonlinear phase errors caused by nonrigid motion that were not fully corrected with the cardiac gating method used in (10).

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