Method for combining acquired NMR data to suppress motion artifa

Details Method for combining acquired NMR data to suppress motion artifa Method for combining acquired NMR data to suppress motion artifa

1990-03-26

1991-02-19

Tokar, Michael J.

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

324306, G01R 3320

Patent

active

049947443

ABSTRACT:
Displacement values which indicate respiration phase are acquired along with each view of an NMR scan. Two or more such NMR scans are conducted and the deviation of each displacement value from a smooth reference curve is employed to measure the integrity of its associated NMR image data. The NMR image data from the separate scans are combined to reduce random noise and motion artifacts, and the combination is accomplished by weighting the data in accordance with its measured integrity.

REFERENCES:
patent: 4734646 (1988-03-01), Shenoy
patent: 4849697 (1989-07-01), Cline
patent: 4896113 (1990-01-01), Pelc

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