Laser & Optoelectronics Progress, Volume. 58, Issue 20, 2014002(2021)

Hole Surface Repairing for Laser Triangular Mesh Point Cloud

Wen Cui1, Hui Chen1、*, and Wanquan Liu2
Author Affiliations
  • 1College of Automation Engineering, Shanghai University of Electric Power, Shanghai 200090, China
  • 2Department of Computing Science, Curtin University, Perth 6102, Australia
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    Figures & Tables(18)
    Algorithm flow chart
    Schematic diagram of inspection hole boundary
    Schematic diagrams of triangular grid. (a) Add a triangle; (b) add two triangles
    Radial basis function neural network
    Hole repair. (a) Hole diagram; (b) hole repair diagram
    Final repairing diagram
    Repair results of teapot model hole. (a) Mesh hole detail; (b) Ref. [21] algorithm; (c) Ref. [24] algorithm; (d) Ref. [25] algorithm; (e) proposed algorithm; (f) original model
    Mean curvature distribution images. (a) Ref. [21] algorithm; (b) Ref. [24] algorithm; (c) Ref. [25] algorithm; (d) proposed algorithm; (e) original model
    Repair results of rocker model hole. (a) Mesh hole detail; (b) Ref. [21] algorithm; (c) Ref. [24] algorithm; (d) Ref. [25] algorithm; (e) proposed algorithm; (f) original model
    Mean curvature distribution images. (a) Ref. [21] algorithm; (b) Ref. [24] algorithm; (c) Ref. [25] algorithm; (d) proposed algorithm; (e) original model
    Repair results of bunny model hole. (a) Mesh hole detail; (b) Ref. [21] algorithm; (c) Ref. [24] algorithm; (d) Ref. [25] algorithm; (e) proposed algorithm; (f) original model
    Mean curvature distribution images. (a) Ref. [21] algorithm; (b) Ref. [24] algorithm; (c) Ref. [25] algorithm; (d) proposed algorithm; (e) original model
    Repair results of ball model hole. (a) Mesh hole detail; (b) Ref. [21] algorithm; (c) Ref. [24] algorithm; (d) Ref. [25] algorithm; (e) proposed algorithm; (f) original model
    Mean curvature distribution images. (a) Ref. [21] algorithm; (b) Ref. [24] algorithm; (c) Ref. [25] algorithm; (d) proposed algorithm; (e) original model
    • Table 1. Repair data of teapot model hole

      View table

      Table 1. Repair data of teapot model hole

      AlgorithmNumber of new verticesNumber of new trianglesTime /sRRMSE/mm
      Ref. [21] algorithm104524310.7600.452
      Ref. [24] algorithm278359571.4580.292
      Ref. [25] algorithmProposed algorithm109203546526530723701.1901.3480.3790.089
    • Table 2. Repair data of rocker model hole

      View table

      Table 2. Repair data of rocker model hole

      AlgorithmNumber of new verticesNumber of new trianglesTime /sRRMSE/mm
      Ref.[21] algorithm47410010.6110.639
      Ref. [24] algorithm4249331.3590.531
      Ref. [25] algorithmProposed algorithm324089747682180011.4022.3710.4820.258
    • Table 3. Repair data of bunny model hole

      View table

      Table 3. Repair data of bunny model hole

      AlgorithmNumber of new verticesNumber of new trianglesTime /sRRMSE/mm
      Ref. [21] algorithm3259639969.3289.382×10-3
      Ref. [24] algorithm4921821745.0003.019×10-5
      Ref. [25] algorithm2788595516.0004.611×10-5
      Proposed algorithm5201948317.1809.932×10-6
    • Table 4. Repair data of ball model hole

      View table

      Table 4. Repair data of ball model hole

      AlgorithmNumber of new verticesNumber of new trianglesTime /sRRMSE/mm
      Ref. [21] algorithm35413632.8150.318
      Ref. [24] algorithm811622.1630.082
      Ref. [25] algorithmProposed algorithm522181254180.0470.9280.0490.012
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    Wen Cui, Hui Chen, Wanquan Liu. Hole Surface Repairing for Laser Triangular Mesh Point Cloud[J]. Laser & Optoelectronics Progress, 2021, 58(20): 2014002

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    Paper Information

    Category: Lasers and Laser Optics

    Received: Nov. 1, 2020

    Accepted: Dec. 14, 2020

    Published Online: Oct. 14, 2021

    The Author Email: Chen Hui (chenhui@shiep.edu.cn)

    DOI:10.3788/LOP202158.2014002

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