ISSN 1004-4140
CN 11-3017/P
Volume 12 Issue 2
Jun.  2003
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Ge Wang. Revisit to Derivative-Free Noncircular Fan-Beam Reconstruction - Responses to "iscussions on a Noncircular Fan-Beam Reconstruction Formula"by Huang, et al.[J]. CT Theory and Applications, 2003, 12(2): 39-44.
Citation: Ge Wang. Revisit to Derivative-Free Noncircular Fan-Beam Reconstruction - Responses to "iscussions on a Noncircular Fan-Beam Reconstruction Formula"by Huang, et al.[J]. CT Theory and Applications, 2003, 12(2): 39-44.
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Revisit to Derivative-Free Noncircular Fan-Beam Reconstruction - Responses to "iscussions on a Noncircular Fan-Beam Reconstruction Formula"by Huang, et al.

  • CT/Micro-CT Laboratory, Departments of Radiology, Biomedical Engineering, Mathematics, University of Iowa, Iowa City, IA 52242, USA, ge-wang@uiowa.edu

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This work was supported in part by the NIH grant R01 DC03590

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  • Received Date: February 08, 2003
  • Available Online: December 28, 2022
    Graphical Abstract
    • Abstract
  • Huang <i<et al.</i< identified an error in the derivation of a derivative-free noncircular fan-beam reconstruction formula published in 1993. They concluded that the derivative-free formula is not exact under the assumed conditions, but it is a very good approximate reconstruction formula. In this report, the author analyzes the impacts of that error, discuss on remedy for exact derivative -free noncircular fan-beam reconstruction, and pose some open questions.
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