Accelerated magnetic resonance imaging using a parallel spatial filter
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United States of America Patent
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Apr 29, 2003
Grant Date -
Jul 25, 2002
app pub date -
Dec 11, 2000
filing date -
Dec 11, 2000
priority date (Note) -
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Abstract
An apparatus and method for accelerating magnetic resonance imaging by decreasing the number of sequential phase encodes (undersampling). Image reconstruction of undersampled k-space data can cause ghost artifacts to be produced in the resulting sequence of images. A combination of temporal and spatial filters are used to substantially suppress the ghost artifacts. Additionally, the spatial filter receives spatial filter coefficients used in the filtering process. The spatial filter coefficients are adaptively or dynamically generated so that the coefficients are provided to the spatial filter while generating the sequence of images.
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