Parallel image reconstruction using filter banks based on low-frequency part of k-space signals
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United States of America Patent
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Jan 26, 2016
Grant Date -
Apr 30, 2015
app pub date -
May 7, 2014
filing date -
Oct 29, 2013
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Abstract
A method for a parallel image reconstruction is disclosed. The method includes (a) acquiring image information by channel via parallel coils in a magnetic resonance imaging (MRI) scanner; (b) extracting low-frequency signals from the image information; (c) reconstructing low-frequency images from the low-frequency signals; (d) generating filter banks by using the low-frequency images; and (f) reconstructing a final image by using the filter banks. The generating of the filter banks includes separately generating low-frequency image information for reconstruction of magnitude information and low-frequency image information for reconstruction of phase information, and then separately generating a filter for reconstruction of the magnitude information and a filter for reconstruction of the phase information.
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