Sinogram (data) domain pansharpening method and system for spectral CT
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United States of America Patent
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Jan 8, 2019
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Feb 12, 2015
app pub date -
Aug 7, 2013
filing date -
Aug 7, 2013
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Abstract
A hybrid CT dataset is obtained from a combination of an integrating detector and a photon-counting detector. The hybrid CT dataset contains sparse spectral energy data and dense energy integration data. The dense panchromatic data sets inherit the resolution properties of the integrating detector while the sparse spectral data sets inherit the spectral information of the photon-counting detector. Subsequently, the sparse spectral energy data sets are pansharpened based upon at least one dense panchromatic data set that lacks spectral information according to a pansharpening algorithm.
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