Method and product for improved images in magnetic resonance ima

Details Method and product for improved images in magnetic resonance ima Method and product for improved images in magnetic resonance ima

1995-03-31

1997-03-25

Lateef, Marvin M.

Surgery

Truss

Pad

324307, 324309, A61B 5055

Patent

active

056134924

ABSTRACT:
In MRI (Magnetic Resonance Imaging) the signal-to-noise images of a subject's body organs are improved by combining the signals from a number of position co-registered images or fractional data sets. The co-registration is obtained by reducing movement of the organ by the subject holding his breath. A computer cursor may be positioned at a selected point of the subject's organ displayed on the MRI monitor's screen to produce a fiducial marking on the MRI image or fractional data sets, which provides for accurate co-registration. Alternatively, a computer edge detection algorithm is used to determine the edge, and position, of the organ of interest and to produce radio frequency offsets for accurate co-registration of the subsequent images or fractional data sets. The fractional data sets, each having a fiducial marking, are combined to form a final MRI image.

REFERENCES:
patent: 4727882 (1988-03-01), Schneider et al.
patent: 4767991 (1988-08-01), Rzedzian
patent: 4856528 (1989-08-01), Yang et al.
patent: 4994743 (1991-02-01), Glover et al.
patent: 5363844 (1994-11-01), Riederer et al.

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