A single breath-hold 3D GRE acquisition with tens of seconds is used to acquire data for water/fat separation and QSM generation in liver. However, in elderly and paediatric patients long breath-holds are not feasible. Compressed sensing along with Deep Learning is an alternative to shorten the scan time and perform reconstruction on undersampled data. In this work we compare how undersampling GRE data at different rates and use of Deep Learning for reconstruction will affect the water/fat separation and QSM results.
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