Chen et al., 2017 - Google Patents
Autocalibrating motion‐corrected wave‐encoding for highly accelerated free‐breathing abdominal MRIChen et al., 2017
View PDF- Document ID
- 2833008967285021923
- Author
- Chen F
- Zhang T
- Cheng J
- Shi X
- Pauly J
- Vasanawala S
- Publication year
- Publication venue
- Magnetic resonance in medicine
External Links
Snippet
Purpose To develop a motion‐robust wave‐encoding technique for highly accelerated free‐ breathing abdominal MRI. Methods A comprehensive 3D wave‐encoding‐based method was developed to enable fast free‐breathing abdominal imaging:(a) auto‐calibration for …
- 230000003187 abdominal 0 title abstract description 16
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- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
- G01R33/54—Signal processing systems, e.g. using pulse sequences, Generation or control of pulse sequences ; Operator Console
- G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
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- G01R33/5615—Echo train techniques involving acquiring plural, differently encoded, echo signals after one RF excitation, e.g. using gradient refocusing in echo planar imaging [EPI], RF refocusing in rapid acquisition with relaxation enhancement [RARE] or using both RF and gradient refocusing in gradient and spin echo imaging [GRASE]
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- G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
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- G01R33/5611—Parallel magnetic resonance imaging, e.g. sensitivity encoding [SENSE], simultaneous acquisition of spatial harmonics [SMASH], unaliasing by Fourier encoding of the overlaps using the temporal dimension [UNFOLD], k-t-broad-use linear acquisition speed-up technique [k-t-BLAST], k-t-SENSE
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