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Retrospective blind motion correction of MR images

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Pohmann,  R
Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Citation

Loktyushin, A., Nickisch, H., & Pohmann, R. (2011). Retrospective blind motion correction of MR images. Poster presented at 28th Annual Scientific Meeting ESMRMB 2011, Leipzig, Germany.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0013-B9E0-4
Abstract
We present a retrospective method, which significantly reduces ghosting and blurring artifacts due to subject motion. No modifications to the sequence (as in [2, 3]), or the use of additional equipment (as in [1]) are required. Our method iteratively searches for the transformation, that applied to the lines in k-space -- yields the sparsest Laplacian filter output in the spatial domain.