Distortion-corrected magnetic resonance measurement and...

Details Distortion-corrected magnetic resonance measurement and... Distortion-corrected magnetic resonance measurement and...

2006-07-18

2006-07-18

Shrivastav, Brij B. (Department: 2859)

Electricity: measuring and testing

Particle precession resonance

Spectrometer components

C324S318000

Reexamination Certificate

active

07078904

ABSTRACT:
A distortion-corrected magnetic resonance examination with a magnetic resonance device is undertaken by use of a distortion correction algorithm which uses coefficients to describe a magnetic field used in a measurement. In this case, after an examination area has been selected, by including the distortion correction algorithm and the coefficients for description of the magnetic field, a measurement area needed for correction is determined. Subsequently a magnetic resonance measurement is performed in the measurement area. Subsequently a distortion-corrected magnetic resonance image of the examination area is created with the aid of the distortion correction algorithm. In addition to the examination area, the measurement area and also any necessary measurement times can be shown on a display of the magnetic resonance device. This type of magnetic resonance examination does not include in the magnetic resonance image any picture elements which were not measured because of distortion.

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