Three-dimensional magnetic resonance image distortion correction

Details Three-dimensional magnetic resonance image distortion correction Three-dimensional magnetic resonance image distortion correction

1989-03-28

1991-04-09

Howell, Kyle L.

Surgery

Truss

Pad

324318, A61B 5055

Patent

active

050055780

ABSTRACT:
A method and system in Nuclear Magnetic Resonance (NMR) medical imaging systems corrects for three-dimensional distortions arising from the apparatus and patient specific distortions using a phantom and a helmet, both of which have fiducial markers in a three-dimensional matrix. The positions of the phantom and helmet fiducial markers are automatically detected and compared in a computer system which uses image transform algorithms to correct for the various distortions.

REFERENCES:
patent: 4551678 (1985-11-01), Morgan et al.
patent: 4583538 (1986-04-01), Onik et al.
patent: 4625168 (1986-11-01), Meyer et al.
patent: 4774468 (1988-09-01), Bydder
patent: 4816762 (1989-03-01), Bohning
patent: 4857847 (1989-08-01), Machida

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