ISSN 1004-4140
CN 11-3017/P
LIU Yuan-yuan, ZHENG Peng, XING Yu-xiang, CHEN Zhi-qiang, ZHANG Li. Propagation Analysis for Spectrum Error in Dual-energy CT[J]. CT Theory and Applications, 2013, 22(4): 571-578.
Citation: LIU Yuan-yuan, ZHENG Peng, XING Yu-xiang, CHEN Zhi-qiang, ZHANG Li. Propagation Analysis for Spectrum Error in Dual-energy CT[J]. CT Theory and Applications, 2013, 22(4): 571-578.

Propagation Analysis for Spectrum Error in Dual-energy CT

More Information
  • Received Date: May 14, 2013
  • Available Online: December 28, 2022
  • Dual-energy CT can be used for computing atomic number and electron density. As a result, we can discriminate unknown materials. Spectrum estimation is the fn'st step in dual-energy CT. Its accuracy directly affects dual-energy CT results. However, no systematic studies concerning how spectrum estimation accuracycontributing to reconstruction results have been worked out up to now. This work employs photoelectric-Compton decomposition dual-energy CT reconstruction method. We quantitatively analyze the propagation process from spectrum estimation error to dual-energy CT results and give theoretical calculation method. We propose one way to define spectrum error for dual-energy CT and give the concept of equivalent spectrum. Simulations are shown to support our work.
  • Related Articles

    [1]XIONG Shan, CHEN Bo, MAO Jie, LIU Sibin, HUANG Yuanyi, CHENG Jianmin. Application of Computer-aided Diagnosis System Based on Deep Learning in Rib Fracture Diagnosis[J]. CT Theory and Applications, 2022, 31(5): 617-622. DOI: 10.15953/j.1004-4140.2022.31.05.08
    [2]WANG Jing-yu, HAN Yu, LI Lei, XI Xiao-qi, SUN Yan-min, YAN Bin. A Novel Reconstruction Algorithm Based-on Projection Transformation for the Rotational Cone-beam CL[J]. CT Theory and Applications, 2017, 26(5): 575-582. DOI: 10.15953/j.1004-4140.2017.26.05.06
    [3]WAN Xin, LIU Xi-ming, WU Zhi-fang. Review of Computed laminography[J]. CT Theory and Applications, 2014, 23(5): 883-892.
    [4]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.
    [5]LI Bin, ZHANG Yao-jun, ZHU Pei-ping, LI Bao-lei, MO Yang. A Fast Simulation Method for CT Projection Based on Bisection[J]. CT Theory and Applications, 2014, 23(1): 115-122.
    [6]YAN Tian-feng, SUN Yan, SUN Yi. Tomosynthesis Projection Simulation Based on GPU[J]. CT Theory and Applications, 2011, 20(1): 1-10.
    [7]SHI An-sheng, LÜ Dong-hui, ZHANG Hai-yan, YAN Zhuang-zhi. A Fast Monitoring Method of Volume Density Based on Cone-beam Projections[J]. CT Theory and Applications, 2008, 17(3): 7-12.
    [8]GAO Yun, HU Dao-yu, LI Zhen, QIU Shi, WU Jin. Preliminary Study on Direct Projection Tomography Technology[J]. CT Theory and Applications, 2006, 15(1): 42-45.
    [9]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.
    [10]SUN Yi, HOU Ying, HU Jia-sheng, ZHAO Feng-yong. A Computer Simulation Method of Projection Data for Cone-Beam Volume CT[J]. CT Theory and Applications, 2005, 14(1): 1-6.

Catalog

    Article views (690) PDF downloads (11) Cited by()
    Related

    /

    DownLoad:  Full-Size Img  PowerPoint
    Return
    Return