DocumentCode
2616897
Title
Analysis of ray-sampling for non-circular trajectories in fan beam geometry
Author
Zamyatin, Alexander A.
Author_Institution
Toshiba Medical Research Institute USA, Vernon Hills, IL 60061, USA
fYear
2008
fDate
19-25 Oct. 2008
Firstpage
5270
Lastpage
5272
Abstract
We propose a technique to measure sampling efficiency of various trajectories with or without detector quarter offset, and analyze aliasing artifacts caused by insufficient sampling.
Keywords
Brushes; Computed tomography; Detectors; Ellipsoids; Geometry; Image reconstruction; Imaging phantoms; Interpolation; Rotation measurement; Sampling methods;
fLanguage
English
Publisher
ieee
Conference_Titel
Nuclear Science Symposium Conference Record, 2008. NSS '08. IEEE
Conference_Location
Dresden, Germany
ISSN
1095-7863
Print_ISBN
978-1-4244-2714-7
Electronic_ISBN
1095-7863
Type
conf
DOI
10.1109/NSSMIC.2008.4774423
Filename
4774423
Link To Document