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Abstract #4005

Improved reconstruction of free breathing abdominal imaging using non-Cartesian iterative reconstruction and elastic image registration

Jan Hendrik Wülbern1, Mariya Doneva1, Sven Kabus1, and Peter Börnert1

1Philips Research Europe, Hamburg, Germany

Stack-of stars k-space trajectories following the golden angle scheme allow retrospective binning and reconstruction of data acquired from free-breathing patients, which is of particular interest in abdominal applications. Here we demonstrate that using an iterative non-Cartesian reconstruction in combination with an elastic registration algorithm produces images with high image quality for all motion states, regardless of the degree of under-sampling in the reference motion state.

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