ISSN 1004-4140
CN 11-3017/P
Volume 14 Issue 3
Sep.  2005
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PEI Xiao-dong, ZHANG Quan-hong. Fan-beam Filtered Back-projection (FFBP) Algorithm Considering Practical Place of Projection Imaging Plane[J]. CT Theory and Applications, 2005, 14(3): 18-23.
Citation: PEI Xiao-dong, ZHANG Quan-hong. Fan-beam Filtered Back-projection (FFBP) Algorithm Considering Practical Place of Projection Imaging Plane[J]. CT Theory and Applications, 2005, 14(3): 18-23.
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Fan-beam Filtered Back-projection (FFBP) Algorithm Considering Practical Place of Projection Imaging Plane

  • 1. Xian University of electronic science-technology, Xian 710071 China;

  • 2. Beijing University of Aeronautics and Astronautics, Beijing 100083, China

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  • Received Date: May 17, 2005
  • Available Online: December 28, 2022
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    • Abstract
  • In the theoretic formula of fan-beam filtered back projection (FFBP) algorithm, the projection imaging plane lies on the center of rotation, but in practical CT scan system, it keeps the center at a distance. With respect to this problem, this paper proposes an improved fan-beam filtered back projection (IFFBP) algorithm, and compares reconstruction quality of FFBP with IFFBP. The results of computer simulation and experiment validate IFFBP algorithm.
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