Magnetic resonance imaging using demodulated k-space segments

Details Magnetic resonance imaging using demodulated k-space segments Magnetic resonance imaging using demodulated k-space segments

2006-07-25

2006-07-25

Gutierrez, Diego (Department: 2859)

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

Reexamination Certificate

active

07081749

ABSTRACT:
In an MRI imaging system each portion of k-space is sequentially scanned, transformed and separately demodulated. Instead of adding the k-space regions, as is the practice in the prior art, the demodulated portions are added, each representing spectral portions of the image. Each k-space portion is scanned with closely spaced lines which substantially satisfy the sampling requirement to avoid aliasing. In this way, distortion resulting from phase changes between k-space scans is avoided.

REFERENCES:
patent: RE32712 (1988-07-01), Likes
patent: 6892089 (2005-05-01), Prince et al.
patent: 2004/0254449 (2004-12-01), Roopchansingh et al.

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