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Open Access Green as soon as Postprint is submitted to ZB.
Reduction of aliasing artifacts in tomographic images.
Proc. SPIE 7258:72583F (2009)
Refining the sampling geometry of a CT scanner is a standard approach used for reduction of aliasing artifacts in CT images. Although this leads to reduction of the artifacts, the principal problem of aliasing streaks artifacts remains unsolved. A different approach is proposed, which in some special cases can solve the problem very efficiently. It is shown that under certain specific conditions, the sum of images reconstructed from the data collected within different sampling geometries is free of aliasing. These conditions are studied and practical situations where they can be realized are discussed.
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Publication type
Article: Journal article
Document type
Scientific Article
Editors
Samei, E.* ; Hsieh, J.*
Keywords
CT; Tomography; Aliasing; Artifacts
ISSN (print) / ISBN
0277-786X
e-ISSN
1996-756X
Journal
Proceedings of SPIE
Quellenangaben
Volume: 7258,
Article Number: 72583F
Series
Proceedings of SPIE
Publisher
SPIE
Publishing Place
Bellingham, WA
Reviewing status
Peer reviewed
Institute(s)
Institute of Radiation Protection (ISS)