ISSN 1004-4140
CN 11-3017/P
Volume 18 Issue 3
Sep.  2009
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MA Chen-xin, YAN Bin, JIANG Hua. The Research and Realization of a Re-Sorting Algorithm Used in Fan-Beam CT Short-Scan Reconstruction[J]. CT Theory and Applications, 2009, 18(3): 15-21.
Citation: MA Chen-xin, YAN Bin, JIANG Hua. The Research and Realization of a Re-Sorting Algorithm Used in Fan-Beam CT Short-Scan Reconstruction[J]. CT Theory and Applications, 2009, 18(3): 15-21.
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The Research and Realization of a Re-Sorting Algorithm Used in Fan-Beam CT Short-Scan Reconstruction

  • Institute of Information Engineering, Information Engineering University, Zhengzhou 450002, China

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  • Received Date: June 22, 2009
  • Available Online: December 14, 2022
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  • This paper reviews two main categories of reconstruction algorithms in parallel CT and fan-beam CT,and introduces the approachs to implement them on PC.In order to speed up CT scan and reconstruction,based on the analysis of the beam geometries relationship between parallel scan and fan-beam scan,the paper introduces a special scan model named short-scan which differ from traditional full-scan,and proposes an approach named parallel re-sorting to reconstructing images from short-scan fan-beam data.And then realizes it.According to experimental results,we find that reconstruction speed is improved remarkably.
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