ISSN 1004-4140
CN 11-3017/P
Volume 23 Issue 2
Apr.  2014
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CHEN Jian-lin, YAN Bin, LI Lei, XI Xiao-qi, WANG Lin-yuan. Reviews of the Model of Projection Matrix of CT Reconstruction Algorithm[J]. CT Theory and Applications, 2014, 23(2): 317-328.
Citation: CHEN Jian-lin, YAN Bin, LI Lei, XI Xiao-qi, WANG Lin-yuan. Reviews of the Model of Projection Matrix of CT Reconstruction Algorithm[J]. CT Theory and Applications, 2014, 23(2): 317-328.
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Reviews of the Model of Projection Matrix of CT Reconstruction Algorithm

  • Information Engineering University, the School of Information Systems Engineering, Zhengzhou 450002, China

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  • Received Date: December 04, 2013
  • Available Online: December 09, 2022
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  • In the CT reconstruction algorithm, projection matrices reflect the relationship between the projections on detector and the reconstructed objects. The matrix model has a significant influence on the reconstruction speed and image quality. This paper has first reviewed the research status of the projection matrix, then analyzed the calculation method of projection matrix coefficients and the rapid calculation method of forward projection and backprojection, and at last summarized the performance and development of projection matrix.
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