High-resolution image reconstruction method for MRI

Details High-resolution image reconstruction method for MRI High-resolution image reconstruction method for MRI

1992-11-25

1994-10-04

Tokar, Michael J.

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

G01R 3300

Patent

active

053529812

ABSTRACT:
In an image reconstruction method for magnetic resonance imaging, an object to be imaged is reconstructed based on Fourier imaging. First, there specified is a spatial resolution smaller than a further spatial resolution under a Nyquist condition derived from the Nyquist theorem. Then, a transformation matrix according to the specified spatial resolution is calculated and an inverse transformation matrix of the calculated transformation matrix is calculated. Then, discrete magnetic resonance signals from the object is collected in accordance with the Fourier imaging. And, discrete oblique Fourier transformation(DOFT) using the inverse transformation matrix is performed on the collected discrete magnetic resonance signals.

REFERENCES:
patent: 4736160 (1988-04-01), Sano et al.
patent: 4767991 (1988-08-01), Rzedzian
patent: 4896111 (1990-01-01), Machida et al.
patent: 4908573 (1990-03-01), Kaufman et al.

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