Method and magnetic resonance apparatus for image reconstruction with multiple virtual coils

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United States of America Patent

PATENT NO 9880250
SERIAL NO

14504758

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Abstract

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An MR image is produced from data acquired by radiating an RF pulse and switching multiple bipolar magnetic field gradients to generate multiple gradient echoes that are acquired in a raw data set with multiple raw data lines by a reception coil, the multiple gradient echoes being acquired with bipolar magnetic field gradients of different polarity. Due to the bipolar magnetic field gradients of different polarity, in the raw data set first raw data lines are filled with MR signals in one direction in raw data space, and second raw data lines are filled with MR signals in the opposite direction. The MR image is reconstructed from MR signals that have simultaneously been acquired with at least two different reception coils, by generating a first coil raw data set from the raw data set in the image reconstruction, which coil raw data set has only the raw data lines of the raw data set that were filled with MR signals in one direction, and by selecting a second coil raw data set that has only the raw data lines of the raw data set that were filled with MR signals in the other set direction. The MR image is reconstructed from the two coil raw data sets using a parallel imaging reconstruction algorithm, under the assumption that the two coil raw data sets have been acquired by different reception coils.

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Patent Owner(s)

Patent OwnerAddress
SIEMENS HEALTHINEERS AGERLANGEN ERLANGEN BAVARIA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gross, Patrick Ismaning, DE 74 917
Gumbrecht, Rene Herzogenaurach, DE 31 166

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