Method for correcting image distortion due to gradient nonunifor

Details Method for correcting image distortion due to gradient nonunifor Method for correcting image distortion due to gradient nonunifor

1983-12-23

1986-05-27

Tokar, Michael J.

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

324309, 324313, G01R 3320

Patent

active

045917892

ABSTRACT:
A method for correcting image distortion arising from magnetic field gradient nonuniformity in accordance with which the gradient nonuniformity is modeled, the expected distortion in the image calculated, and a geometric correction applied to the distorted image. In the preferred embodiment, polynomial interpolation is used to implement the geometric correction.

REFERENCES:
patent: 4296378 (1981-10-01), King
patent: 4355282 (1982-10-01), Young
patent: 4425580 (1984-01-01), Haendle

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