An experimental method to correct low-frequency concentric artifacts in photon counting CT

Volume: 66, Issue: 17, Pages: 175011 - 175011
Published: Aug 24, 2021
Abstract
Large-area photon counting detectors (PCDs) are usually built by tiling multiple semiconductor panels that often have slightly different spectral responses to input x-rays. As a result of this spectral inconsistency, experimental PCD-CT images of large, human-sized objects may show high-frequency ring artifacts and low-frequency band artifacts. Due to the much larger width of the bands compared with the rings, the concentric artifact problem in...
Paper Details
Title
An experimental method to correct low-frequency concentric artifacts in photon counting CT
Published Date
Aug 24, 2021
Volume
66
Issue
17
Pages
175011 - 175011
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