MR method for two-dimensional or three-dimensional imaging of an

Details MR method for two-dimensional or three-dimensional imaging of an MR method for two-dimensional or three-dimensional imaging of an

1994-03-07

1996-03-12

O'Shea, Sandra L.

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

324307, G01V 314

Patent

active

054989612

ABSTRACT:
The invention relates to an MR method for two-dimensional or three-dimensional imaging of an examination zone, in which a set of raw data is measured repeatedly, an image of the examination zone can be reconstructed from each set, and the raw data of a set is acquired with different measurement parameters, and different sets contain raw data acquired with the same measurement parameters. Improved temporal resolution is achieved in that a set of auxiliary data is formed from at least two sets of raw data in order to produce an image representing the examination zone at a selectable instant, the auxiliary data being derived by interpolation from the raw data acquired with each time the same measurement parameters but at different measurement instants, the weight applied to the raw data entering the interpolation being greater as the time interval between the associated measurement instant and the selectable instant is smaller, the image of the examination zone being reconstructed from the set of auxiliary data.

REFERENCES:
patent: 4710717 (1987-12-01), Pelc et al.
patent: 4982328 (1991-01-01), Kasugai

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