Database-assisted low-dose CT image restoration

Purpose: Acquiring data for CT at low radiation doses has become a pressing goal. Unfortunately, the reduced data quality adversely affects the quality of the reconstructions, impeding their readability. In previous work, the authors showed how a prior regular-dose scan of the same patient can effic...

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Vydáno v:	Medical physics (Lancaster) Ročník 40; číslo 3; s. 031109 - n/a
Hlavní autoři:	Xu, Wei, Ha, Sungsoo, Mueller, Klaus
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	United States American Association of Physicists in Medicine 01.03.2013
Témata:	artifact mitigation Artifacts and distortion Computed tomography Computerised tomographs computerised tomography data acquisition Databases, Factual database‐assisted Dose‐volume analysis dosimetry Errata feature extraction filtering theory Humans image coding Image coding, e.g. from bit‐mapped to non bit‐mapped image denoising Image enhancement or restoration, e.g. from bit‐mapped to bit‐mapped creating a similar image image restoration low‐dose CT lung Lung - diagnostic imaging Lungs Medical image artifacts Medical image noise medical image processing Medical image quality Medical image reconstruction Medical imaging Noise nonlocal means prior‐based Quality Control Radiation Dosage Reconstruction Tomography, X-Ray Computed - methods low-dose CT prior-based artifact mitigation image restoration nonlocal means database-assisted
ISSN:	0094-2405, 2473-4209, 2473-4209
On-line přístup:	Získat plný text
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