MR imaging method with time dependence provided in multiple spatial encoding directions
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United States of America Patent
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Apr 4, 2000
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N/A
app pub date -
Apr 16, 1998
filing date -
Apr 16, 1998
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Abstract
A method is provided for acquiring MR image data, which comprises the steps of applying a succession of RF excitation pulses to a selected region of an imaging subject to produce a corresponding succession of MR data signals, generating a readout gradient in association with each of the MR data signals, and acquiring sets of data points from the MR data signals to provide views respectively corresponding thereto. The data points of a view are respectively identified by positions in k-space along a first k-space axis, each of the positions along the first k-space axis having a time offset with respect to a reference. The method further comprises generating a phase encoding gradient in association with each of the MR signals to respectively identify the views by positions in k-space along a second k-space axis orthogonal to the first k-space axis, and providing specified time offsets with respect to the reference for each of the positions along the second k-space axis, each of the specified time offsets being different.
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