Previously proposed techniques based on non-Cartesian or modified Cartesian sampling schemes allow for free-breathing acquisitions with solid motion-robustness. However, residual artifacts such as motion blurring often remain. Techniques including self-gating, motion-weighting, and extra-dimensional reconstruction have been proposed to further improve image quality.
Here, an analysis of these techniques is provided by performing multiple reconstructions of several volunteer and patient datasets, which were then evaluated by radiologists.
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