SYSTEMS AND METHODS FOR ENERGY BIN DOWNSAMPLING
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United States of America
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Nov 14, 2024
app pub date -
Sep 19, 2022
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Sep 19, 2022
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Abstract
Methods and systems are provided for downsampling detector data in a computed tomography imaging system. In an example, a method for a photon counting computed tomography (PCCT) system includes, during a scan of an imaging subject, obtaining detector data from a photon counting detector of the PCCT system, the detector data comprising, for each pixel or detector element of the photon counting detector, photon counts partitioned into a plurality of energy bins based on an energy imparted by each photon on the photon counting detector, applying a bin factor to the plurality of energy bins for each pixel to downsample the plurality of energy bins into a reduced number of energy bins, and reconstructing one or more images from the reduced number of energy bins.
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