Abstract #1548

Motion Corrected 3D Liver undersampled MRI

Felipe Yanez ^1,2 and Pablo Irarrazaval ^1,2

¹ Department of Electrical Engineering, Pontificia Universidad Catlica de Chile, Santiago, Chile, ² Biomedical Imaging Center, Pontificia Universidad Catlica de Chile, Santiago, Chile

We propose a new reconstruction technique tailored for free-breathing dynamic 3D liver MRI by estimating the motion between frames to correct inconsistencies in k-space data. Our approach produced results that demonstrate it is feasible to achieve a 10x speedup in acquisition time and remove motion artifacts without diminishing image quality. The proposed method produced gains up to 3 dB with respect of traditional CS framework.

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