Parallel imaging for motion correction in neonatal brain MR reconstruction
Lucilio Cordero-Grande 1,2 , Emer Hughes 1,2 , Rui Pedro A. G. Teixeira 1,2 , and Joseph V. Hajnal 1,2
Centre for the Developing Brain, King's
College London, London, London, United Kingdom,
of Imaging Sciences and Biomedical Engineering, King's
College London, London, London, United Kingdom
A method is presented for retrospective rigid motion
correction in multi-shot brain neonatal MR acquisitions.
It is based on using parallel imaging so that the joint
motion correction and image reconstruction problem
becomes overconstrained. Additionally, no blurring is
introduced in the presence of motion as no regridding is
applied. The procedure has proven to significantly
enhance the quality of neonatal brain images by
decreasing the presence of confounding artifacts,
improving the contrast, better resolving structures, and
enabling the emergence of new anatomical details
hindered by motion.
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