Laser & Optoelectronics Progress, Volume. 57, Issue 24, 241101(2020)

Global Imaging Based on Monomer Subset of Focal Stack Architecture

Xinkai Kang, Jun Qiu, Chang Liu*, and Di He
Author Affiliations
  • Institute of Applied Mathematics, Beijing Information Science and Technology University, Beijing 100101, China
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    Figures & Tables(11)
    Schematic of acquiring monomer subset of focal stack data. (a) Division in point (x,y) space; (b) filtering in depth direction
    Raw focus stack data collected in different scenes. (a) Scene 1; (b) scene 2; (c) scene 3
    Depth maps calculated by different methods. (a) Traditional method; (b) proposed method
    Depth variation curves of different rows in horizontal direction. (a) 538th line; (b) 540th line; (c) 528th line
    Full-focus image of scene 1 and its partial enlarged views
    Full-focus image of scene 2 and its partial enlarged views
    Full-focus image of scene 3 and its partial enlarged views
    • Table 1. Comparison of depth calculated by different methods in scene 1unit: mm

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      Table 1. Comparison of depth calculated by different methods in scene 1unit: mm

      MethodRegion 1Region 2Region 3
      Traditional8657861083
      Proposed858778926
      Laser measured data856760920
    • Table 2. Comparison of depth calculated by different methods in scene 2 unit: mm

      View table

      Table 2. Comparison of depth calculated by different methods in scene 2 unit: mm

      MethodRegion 1Region 2Region 3
      Traditional114013331440
      Proposed112613281286
      Laser measured data113013201280
    • Table 3. Comparison of depth calculated by different methods in scene 3 unit: mm

      View table

      Table 3. Comparison of depth calculated by different methods in scene 3 unit: mm

      MethodRegion 1Region 2Region 3
      Traditional8559911240
      Proposed8519861064
      Laser measured data8509701060
    • Table 4. Comparison of calculation time of different methods unit: s

      View table

      Table 4. Comparison of calculation time of different methods unit: s

      MethodRegion 1Region 2Region 3
      Traditional358236413608
      Proposed342362358
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    Xinkai Kang, Jun Qiu, Chang Liu, Di He. Global Imaging Based on Monomer Subset of Focal Stack Architecture[J]. Laser & Optoelectronics Progress, 2020, 57(24): 241101

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    Paper Information

    Category: Imaging Systems

    Received: Mar. 30, 2020

    Accepted: May. 21, 2020

    Published Online: Dec. 1, 2020

    The Author Email: Liu Chang (liuchang@bistu.edu.cn)

    DOI:10.3788/LOP57.241101

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