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Cone-beam artifact evaluation of the factorization method.

Authors
  • Dennerlein, Frank
  • Noo, Frédéric
Type
Published Article
Journal
Medical Physics
Publisher
Wiley (John Wiley & Sons)
Publication Date
Jul 01, 2011
Volume
38 Suppl 1
Identifiers
PMID: 21978113
Source
Medline
License
Unknown

Abstract

The factorization approach comes with noticeably lower reconstruction bias than the FDK methods and is least sensitive to the scan orientation among all considered short-scan methods. The data inconsistencies contained in the real data sets, such as scatter, beam hardening, or data truncation, show only little impact on the factorization results. Hence, in both, reconstructions from real and simulated data, the factorization method yields better image quality than short-scan FDK, albeit at the cost of some slight, directed high-frequency artifacts that are mostly visible in axial slices.

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