MRI method and apparatus for adaptive channel reduction in parallel imaging
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United States of America Patent
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Aug 18, 2009
Grant Date -
Jan 18, 2007
app pub date -
May 8, 2006
filing date -
May 6, 2005
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Expired
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Abstract
The subject invention pertains to method and apparatus for parallel imaging. The subject method can be utilized with imaging systems utilizing parallel imaging techniques. In a specific embodiment, the subject invention can be used in magnetic resonance imaging (MRI). A specific embodiment of the subject invention can reduce parallel reconstruction CPU and system resources usage by reducing the number of channels employed in the parallel reconstruction from the M channel signals to a lower number of channel signals. In a specific embodiment, sensitivity map information can be used in the selection of the M channel signals to be used, and how the selected channel signals are to be combined, to create the output channel signals. In an embodiment, for a given set of radio-frequency (RF) elements, an optimal choice of reconstructed channel modes can be made using prior view information and/or sensitivity data for the given slice. The subject invention can utilize parallel imaging speed up in multiple directions.
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