Reduction of NMR artifacts caused by time varying linear geometr

Details Reduction of NMR artifacts caused by time varying linear geometr Reduction of NMR artifacts caused by time varying linear geometr

1990-11-30

1993-04-06

Arana, Louis

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

324307, G01R 3320

Patent

active

052007006

ABSTRACT:
NMR image data acquired from a human subject is corrected for view-to-view motion caused by respiration. As each view is acquired the position of the subject is also measured to indicate the distance of the anterior abdominal wall from a reference position. The acquired NMR image data is corrected using the associated measured distances and a simplified model of the motion.

REFERENCES:
patent: 4727882 (1988-03-01), Schneider et al.
patent: 4937526 (1990-06-01), Ehman et al.
patent: 4994743 (1991-02-01), Glover et al.
patent: 5023553 (1991-06-01), Sano et al.
patent: 5051903 (1991-09-01), Pelc et al.
"Reducing Motion Artifacts in Two-Dimensional Fourier Transform Imaging", Haacke et al.; Magnetic Resonance Imaging, vol. 4, pp. 359, 1986.

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