Magnetic resonance imaging method and device
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United States of America Patent
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Apr 27, 2004
Grant Date -
N/A
app pub date -
May 10, 2002
filing date -
May 31, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In order to improve image quality in MRI using an EPI method without extending imaging time excessively, reference data is acquired in the absence of substantial phase encoding gradients by using an EPI sequence in combination with an echo shift (ETS) method, at times related to the timing of echo signals for image data. The reference data is used for phase correcting the image data acquired with application of phase encoding. The reference data can be measured for a single shot, or a few shots, and used to estimate reference data for the rest of the shots in which imaging data is acquired.
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