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Laser & Optoelectronics Progress, Volume. 56, Issue 21, 211101(2019)

Application of Total Variation Minimization Algorithm Based on Beetle Antennae Search on Computed Tomography Interior Reconstruction

Huihua Kong1,2、*, Yingbo Sun1,2、**, and Yanxia Zhang1,2
Author Affiliations
  • 1School of Science, North University of China, Taiyuan, Shanxi 0 30051, China
  • 2Shanxi Key Laboratory of Information Detection and Processing, North University of China, Taiyuan, Shanxi 0 30051, China
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    Schematic of BAS algorithm

    Fig. 1. Schematic of BAS algorithm

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    Flowchart of TV minimization algorithm based on BAS

    Fig. 2. Flowchart of TV minimization algorithm based on BAS

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    Schematic of Shepp-Logan ROI

    Fig. 3. Schematic of Shepp-Logan ROI

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    Internal reconstructions of the three algorithms after 50 iterations under different sampling angles respectively. (a) OS-SART-GD; (b) OS-SART-SOFT; (c) OS-SART-BAS

    Fig. 4. Internal reconstructions of the three algorithms after 50 iterations under different sampling angles respectively. (a) OS-SART-GD; (b) OS-SART-SOFT; (c) OS-SART-BAS

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    SSIM curves of three algorithms at different sampling angles. (a) 30 angles; (b) 60 angles; (c) 90 angles

    Fig. 5. SSIM curves of three algorithms at different sampling angles. (a) 30 angles; (b) 60 angles; (c) 90 angles

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    MSE curves of three algorithms at different sampling angles. (a) 30 angles; (b) 60 angles; (c) 90 angles

    Fig. 6. MSE curves of three algorithms at different sampling angles. (a) 30 angles; (b) 60 angles; (c) 90 angles

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    ROI diagram in the heart reference map

    Fig. 7. ROI diagram in the heart reference map

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    Truncation projection reconstructions of three algorithms at 220 angles. (a) OS-SART-GD; (b) OS-SART-SOFT; (c) OS-SART-BAS

    Fig. 8. Truncation projection reconstructions of three algorithms at 220 angles. (a) OS-SART-GD; (b) OS-SART-SOFT; (c) OS-SART-BAS

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    Huihua Kong, Yingbo Sun, Yanxia Zhang. Application of Total Variation Minimization Algorithm Based on Beetle Antennae Search on Computed Tomography Interior Reconstruction[J]. Laser & Optoelectronics Progress, 2019, 56(21): 211101

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    Paper Information

    Category: Imaging Systems

    Received: Mar. 25, 2019

    Accepted: Apr. 30, 2019

    Published Online: Nov. 2, 2019

    The Author Email: Huihua Kong (huihuak@163.com), Yingbo Sun (1379058385@qq.com)

    DOI:10.3788/LOP56.211101

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology