Infrared and Laser Engineering, Volume. 53, Issue 6, 20240120(2024)

3D surface reconstruction method through neural-pull based on edge enhancement

Baochang XU1, Yihao WANG1、*, Weiwei HAO2, Shixuan YIN1, Wei WANG2, and Yafei LI2
Author Affiliations
  • 1College of Information Science and Engineering/College of Artificial Intelligence, China University of Petroleum, Beijing 102249, China
  • 2CNPC Engineering Technology R & D Company Limited, Beijing 102206, China
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    Figures & Tables(18)
    Neural-pull in 2D surface: Pulling surrounding points to implicit surface, where, \begin{document}$ {g_1} $\end{document},\begin{document}$ {g_2} $\end{document} are gradient information, \begin{document}$ {s_1} $\end{document},\begin{document}$ {s_2} $\end{document} are the value of signed distance functions
    Algorithm framework
    Edge-construction network
    In the input point cloud (green point in the figure), 8 k-nearest neighbors points (yellow points in the figure) of the 3D query point \begin{document}$ q $\end{document} (blue point in the figure) constitute the three-dimensional data set \begin{document}$ P $\end{document} (points included in the blue dotted line in the figure)
    NP network
    Edge enhancement input effectiveness analysis
    Qualitative comparison with other surface reconstruction methods
    Qualitative comparison of sparse point clouds reconstruction
    Partial enlargement of NPEE
    Taking element2 as an example, when \begin{document}$ \sigma $\end{document} selects different values, the results of point cloud edge extraction and reconstruction results of NPEE
    Reconstruction analysis of residual structure
    Reconstruction result of noisy scan models
    • Table 1. Edge enhancement input effectiveness analysis (\begin{document}$ \mathrm{CD}\times10^2 $\end{document})

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      Table 1. Edge enhancement input effectiveness analysis (\begin{document}$ \mathrm{CD}\times10^2 $\end{document})

      Method1234567
      NP0.781.050.750.700.580.750.78
      NPEE0.770.810.660.690.550.530.76
    • Table 2. CD comparison with other surface reconstruction methods

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      Table 2. CD comparison with other surface reconstruction methods

      MethodMetricsElement1Element2Element3
      DeepSDFacccomCD0.1020.1140.2160.0500.1510.2010.0570.1080.165
      OnsurfaceacccomCD0.0140.0190.0330.0060.0070.0130.0060.0080.014
      NPacccomCD0.0030.0080.0110.0030.0050.0080.0040.0070.011
      NPEE(ours)acccomCD0.0050.0070.0120.0020.0050.0070.0030.0050.008
    • Table 3. CD comparison with other surface reconstruction methods in sparse point clouds

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      Table 3. CD comparison with other surface reconstruction methods in sparse point clouds

      MethodMetricsalligatorbimbabuddhabunnydragon
      DeepSDFacccomCD0.0370.0860.1230.0720.0820.1540.0370.0610.0980.0660.0870.1530.0520.1140.196
      OnsurfaceacccomCD0.0100.0170.0270.0080.0070.0150.0080.0060.0140.0120.0110.0230.0130.0110.024
      NPacccomCD0.0340.0130.0470.0070.0100.0170.0130.0110.0240.0270.0220.0490.0280.0160.044
      NPEE(ours)acccomCD0.0130.0110.0240.0050.0050.0100.0070.0060.0130.0110.0100.0210.0150.0130.028
    • Table 4. CD comparison of reconstruction results with different values of \begin{document}$ \sigma $\end{document}

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      Table 4. CD comparison of reconstruction results with different values of \begin{document}$ \sigma $\end{document}

      $ \sigma \times {10^2} $Metrics1357
      element2acc×102com×102CD×1020.280.510.790.240.480.730.290.510.811.501.543.05
      element3acc×102com×102CD×1020.420.591.060.420.530.950.440.611.060.470.631.11
    • Table 5. CD comparison of reconstruction results by residual structure

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      Table 5. CD comparison of reconstruction results by residual structure

      Model nameMetricsWithout residual structureNPEE
      alligator$ \mathrm{CD}\times10^2 $1.4630.812
      bimba$ \mathrm{CD}\times10^2 $0.6680.548
      buddha$ \mathrm{CD}\times10^2 $0.7720.761
    • Table 6. CD comparison with other surface reconstruction methods in scanned model reconstruction

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      Table 6. CD comparison with other surface reconstruction methods in scanned model reconstruction

      MethodMetricsanchorchildrengargoyle
      DeepSDFacccomCD0.1020.1140.2160.0450.0790.1240.0700.0940.164
      OnsurfaceacccomCD0.0070.0090.0160.0050.0050.0110.0090.0070.016
      NPacccomCD0.0050.0080.0130.0060.0050.0110.0070.0050.012
      NPEE(ours)acccomCD0.0060.0060.0120.0050.0050.0100.0060.0050.011
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    Baochang XU, Yihao WANG, Weiwei HAO, Shixuan YIN, Wei WANG, Yafei LI. 3D surface reconstruction method through neural-pull based on edge enhancement[J]. Infrared and Laser Engineering, 2024, 53(6): 20240120

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    Paper Information

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    Received: Mar. 13, 2024

    Accepted: --

    Published Online: Jul. 31, 2024

    The Author Email: WANG Yihao (ricepudding12138@163.com)

    DOI:10.3788/IRLA20240120

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