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Purpose
To enable fast and flexible high‐resolution four‐dimensional (4D) MRI of periodic thoracic/abdominal motion for motion visualization or motion‐corrected imaging.
Methods
We proposed a Cartesian three‐dimensional k‐space sampling scheme that acquires a random combination of k‐space lines in the
plane. A partial Fourier–like constraint compacts the sampling space to one half of k‐space...
In the field of oncology, simultaneous Positron-Emission-Tomography/Magnetic Resonance (PET/MR) scanners offer a great potential for improving diagnostic accuracy. However, to achieve a high Signal-to-Noise Ratio (SNR) for an accurate lesion detection and quantification in the PET/MR images, one has to overcome the induced respiratory motion artifacts. The simultaneous acquisition allows performing...
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