SYSTEMS AND METHODS FOR GUIDED DE-NOISING FOR COMPUTED TOMOGRAPHY
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Sep 20, 2016
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Dec 11, 2014
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Abstract
A method includes obtaining spectral computed tomography (CT) information via an acquisition unit having an X-ray source and a CT detector. The method also includes, generating, with one or more processing units, using at least one image transform, a first basis image and a second basis image using the spectral CT information. Further, the method includes performing, with the one or more processing units, guided processing on the second basis image using the first basis image as a guide to provide a modified second basis image. Also, the method includes performing at least one inverse image transform using the first basis image and the modified second basis image to generate at least one modified image.
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