FID sequences such as the zero echo time sequence (ZTE) posses many advantages including capturing signals from fast relaxing spins, efficient use of time and quite acoustic operation. They possess one major disadvantage, information from the start of the FID is nearly always missing or corrupted due to requirements for RF pulse time and T/R switching (ZTE) and gradient ramping (UTE).
Here we modify and apply for the first time a robust and computationally efficient missing point and phase estimation algorithm originating in the solid state NMR community for ZTE imaging sequences.
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