Forming Mechanism and Correction of CT Image Artifacts Caused by the Errors of Three System Parameters
Joint Authors
Source
Journal of Applied Mathematics
Issue
Vol. 2013, Issue 2013 (31 Dec. 2013), pp.1-7, 7 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2013-04-22
Country of Publication
Egypt
No. of Pages
7
Main Subjects
Abstract EN
We know that three system parameters, a center of X-ray source, an isocenter, and a center of linear detectors, are very difficult to be calibrated in industrial CT system.
So there are often the offset of an isocenter and the deflection of linear detectors.
When still using the FBP (filtered backprojection) algorithm under this condition, CT image artifacts will happen and then can seriously affect test results.
In this paper, we give the appearances and forming mechanism of these artifacts and propose the reconstruction algorithm including a deflection angle of linear detectors.
The numerical experiments with simulated data have validated that our propose algorithm can correct CT images artifacts without data rebinning.
American Psychological Association (APA)
Chen, Ming& Li, Gang. 2013. Forming Mechanism and Correction of CT Image Artifacts Caused by the Errors of Three System Parameters. Journal of Applied Mathematics،Vol. 2013, no. 2013, pp.1-7.
https://search.emarefa.net/detail/BIM-480265
Modern Language Association (MLA)
Chen, Ming& Li, Gang. Forming Mechanism and Correction of CT Image Artifacts Caused by the Errors of Three System Parameters. Journal of Applied Mathematics No. 2013 (2013), pp.1-7.
https://search.emarefa.net/detail/BIM-480265
American Medical Association (AMA)
Chen, Ming& Li, Gang. Forming Mechanism and Correction of CT Image Artifacts Caused by the Errors of Three System Parameters. Journal of Applied Mathematics. 2013. Vol. 2013, no. 2013, pp.1-7.
https://search.emarefa.net/detail/BIM-480265
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-480265