ISSN 1004-4140
CN 11-3017/P
Volume 19 Issue 4
Dec.  2010
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SHI Ben-yi, WANG Cheng, CHEN Si-hai, BI Kun. A Novel Method of CT Reconstruction Filter Function Design[J]. CT Theory and Applications, 2010, 19(4): 35-43.
Citation: SHI Ben-yi, WANG Cheng, CHEN Si-hai, BI Kun. A Novel Method of CT Reconstruction Filter Function Design[J]. CT Theory and Applications, 2010, 19(4): 35-43.
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A Novel Method of CT Reconstruction Filter Function Design

  • 1. College of Optoelectronic Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China;

  • 2. Beijing Research Center for Information Technology in Agriculture, Beijing 100097, China

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  • Received Date: August 08, 2010
  • Available Online: December 12, 2022
    Graphical Abstract
    • Abstract
  • The design of filter function is very important in the CT reconstruction.In order to improve the image quality,a new method of filter function design was presented based on the FBP theory.Based on the simulated data of Shepp-Logan and the projection data of conch,the compared result of CT reconstruction using R-L filter function,S-L filter function and a new filter function based on the new design method was given.The reconstruction result of the new design filter function was the best in overall performance.In local areas,the density resolution had increased.So this paper provided a novel method for filter function designing in CT reconstruction.
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