MRI center point artifact elimination using realtime receiver ph

Details MRI center point artifact elimination using realtime receiver ph MRI center point artifact elimination using realtime receiver ph

1995-04-14

1996-07-30

O'Shea, Sandra L.

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

G01R 3348

Patent

active

055415130

ABSTRACT:
A method and apparatus for eliminating baseline error artifacts in NMR images produced using ultrafast pulse sequences including alternating the phase of a reference signal during the reception of NMR echo signals to invert alternate views in the acquisition. The inverted views are re-inverted prior to image reconstruction such that any dc levels introduced during acquisition are converted to a high spacial frequency which moves the resulting artifacts to the borders of the image reconstructed using a Fourier transformation.

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