A multichannel block‐matching denoising algorithm for spectral photon‐counting CT images

Purpose We present a denoising algorithm designed for a whole‐body prototype photon‐counting computed tomography (PCCT) scanner with up to 4 energy thresholds and associated energy‐binned images. Methods Spectral PCCT images can exhibit low signal to noise ratios (SNRs) due to the limited photon cou...

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Bibliographic Details
Published in:	Medical physics (Lancaster) Vol. 44; no. 6; pp. 2447 - 2452
Main Authors:	Harrison, Adam P., Xu, Ziyue, Pourmorteza, Amir, Bluemke, David A., Mollura, Daniel J.
Format:	Journal Article
Language:	English
Published:	United States 01.06.2017
Subjects:	Algorithms Animals block‐matching 3D collaborative filtering denoising Dogs Humans multi‐channel Phantoms, Imaging Photons photon‐counting computed tomography Signal-To-Noise Ratio Tomography, X-Ray Computed denoising collaborative filtering multi-channel photon-counting computed tomography block-matching 3D
ISSN:	0094-2405, 2473-4209, 2473-4209
Online Access:	Get full text
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