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Abstract #4476

Data Consistency Driven Correction of B0-Fluctuations in 2D and 3D Gradient-Echo MRI of the Spine

Jakob Meineke1 and Tim Nielsen1

1Philips Research, Hamburg, Germany

We demonstrate the data-consistency driven determination and correction of B0-fluctuations induced by respiratory motion in 2D and 3D gradient-echo images of the cervical spine. By promoting data-consistency in the multi-channel raw data, it is possible to estimate the instantaneous off-resonance. Furthermore, we demonstrate a marked improvement in image quality by correcting the k-space data using the measured B0-fluctuations.

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