Journal
IEEE TRANSACTIONS ON MEDICAL IMAGING
Volume 33, Issue 9, Pages 1905-1912Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TMI.2014.2326864
Keywords
Compressed sensing (CS); magnetic field inhomogeneity; magnetic resonance imaging (MRI)
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Funding
- Grants-in-Aid for Scientific Research [13J00490] Funding Source: KAKEN
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A compressed sensing method using a cross sampling and self-calibrated off-resonance correction is proposed. Estimation of the magnetic field inhomogeneity based on image registration enables the off-resonance correction with no additional radio-frequency pulses or acquisitions. In addition to this advantage, a fast and straightforward calculation was achieved by using the first-order components of the magnetic field inhomogeneity. Imaging experiments using a phantom and a chemically fixed mouse demonstrated practical benefits in improving blurring and artifacts in magnetic resonance images in low field magnetic resonance imaging systems.
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