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Evaluation of Algebraic Iterative Image Reconstruction Methods for Tetrahedron Beam Computed Tomography Systems
Joint Authors
Zhang, Tiezhi
Guan, Huaiqun
Kim, Joshua
Gersten, David
Source
International Journal of Biomedical Imaging
Issue
Vol. 2013, Issue 2013 (31 Dec. 2013), pp.1-14, 14 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2013-05-27
Country of Publication
Egypt
No. of Pages
14
Main Subjects
Abstract EN
Tetrahedron beam computed tomography (TBCT) performs volumetric imaging using a stack of fan beams generated by a multiple pixel X-ray source.
While the TBCT system was designed to overcome the scatter and detector issues faced by cone beam computed tomography (CBCT), it still suffers the same large cone angle artifacts as CBCT due to the use of approximate reconstruction algorithms.
It has been shown that iterative reconstruction algorithms are better able to model irregular system geometries and that algebraic iterative algorithms in particular have been able to reduce cone artifacts appearing at large cone angles.
In this paper, the SART algorithm is modified for the use with the different TBCT geometries and is tested using both simulated projection data and data acquired using the TBCT benchtop system.
The modified SART reconstruction algorithms were able to mitigate the effects of using data generated at large cone angles and were also able to reconstruct CT images without the introduction of artifacts due to either the longitudinal or transverse truncation in the data sets.
Algebraic iterative reconstruction can be especially useful for dual-source dual-detector TBCT, wherein the cone angle is the largest in the center of the field of view.
American Psychological Association (APA)
Kim, Joshua& Guan, Huaiqun& Gersten, David& Zhang, Tiezhi. 2013. Evaluation of Algebraic Iterative Image Reconstruction Methods for Tetrahedron Beam Computed Tomography Systems. International Journal of Biomedical Imaging،Vol. 2013, no. 2013, pp.1-14.
https://search.emarefa.net/detail/BIM-484875
Modern Language Association (MLA)
Kim, Joshua…[et al.]. Evaluation of Algebraic Iterative Image Reconstruction Methods for Tetrahedron Beam Computed Tomography Systems. International Journal of Biomedical Imaging No. 2013 (2013), pp.1-14.
https://search.emarefa.net/detail/BIM-484875
American Medical Association (AMA)
Kim, Joshua& Guan, Huaiqun& Gersten, David& Zhang, Tiezhi. Evaluation of Algebraic Iterative Image Reconstruction Methods for Tetrahedron Beam Computed Tomography Systems. International Journal of Biomedical Imaging. 2013. Vol. 2013, no. 2013, pp.1-14.
https://search.emarefa.net/detail/BIM-484875
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-484875