Schiff Hardin LLP
Method and apparatus for correcting distortion during magnetic resonance imaging
In a method and apparatus for correcting distortion during magnetic resonance imaging k space data in a number of readout encoding directions, sampling points on the phase encoding lines are primarily in low frequency regions of k space and the number of such sampling points is less than that of all sampling points. A view angle tilting compensation gradient is superimposed on the axis of a layer selection gradient. The k space data acquired from the number of directions are then combined.
Siemens Aktiengesellschaft
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Bi Da Guo Bin
Zhang Li