Buxton et al., 1989 - Google Patents
Signal intensity in fast NMR imaging with short repetition timesBuxton et al., 1989
- Document ID
- 16830416648792931321
- Author
- Buxton R
- Fisel C
- Chien D
- Brady T
- Publication year
- Publication venue
- Journal of Magnetic Resonance (1969)
External Links
Snippet
In fast magnetic resonance imaging with short repetition times and balanced phase- encoding gradients, the steady-state transverse magnetization that develops depends on the local relaxation times in a way that differs substantially from more conventional imaging …
- 238000003384 imaging method 0 title abstract description 42
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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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- G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
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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]
- G01R33/5617—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] using RF refocusing, e.g. RARE
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