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Abstract #4035

Fast, Volumetric and Silent Multi-contrast Zero Echo Time Imaging

Xin Liu1,2, Pedro Gómez1,2, Tim Sprenger1,2, Ana Beatriz Solana2, Florian Wiesinger2, Marion Menzel2, Jonathan Sperl2, and Bjoern Menze1

1Technical University Munich, Garching, Germany, 2GE Global Research, Garching, Germany

The current work aims to provide a volumetric, fast and silent method for quantitative T1 mapping with Zero Echo Time (ZTE) imaging, and generate multiple T1-weighted images at virtual inversion times. By designing an interleaved radial trajectory for ZTE, and constraining the temporal behavior of the signal with low-dimensional subspace and spatiotemporal low rank regularization, we conducted a volumetric T1 mapping in 2 minutes with acoustic noise only 1.1dB higher than scanner background.

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