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Topology repair of solid models using skeletons.

Qian-Yi Zhou1, Tao Ju, Shi-Min Hu

  • 1Graphics and Geometric Computing Group, Department of Computer Science and Technology, Tsinghua University, Beijing, PR China. zqy@mails.tsinghua.edu.cn

IEEE Transactions on Visualization and Computer Graphics
|May 15, 2007
PubMed
Summary

This study introduces a novel method to fix topological errors in 3D models using skeleton representations. The approach efficiently repairs surface handles without creating new issues, ensuring valid geometry.

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Area of Science:

  • Computer Graphics
  • Geometric Modeling
  • Computational Geometry

Background:

  • Surface reconstruction algorithms can introduce topological errors, specifically small surface handles.
  • These errors complicate the use and analysis of 3D solid models.

Purpose of the Study:

  • To present an effective method for repairing topological errors (surface handles) in solid models.
  • To offer a robust solution that guarantees geometric validity and efficiency.

Main Methods:

  • Utilizing a skeleton representation for identifying and measuring surface handles.
  • Employing an adaptive grid structure for efficient processing of large-scale models.

Main Results:

  • The proposed method successfully identifies and removes surface handles.
  • Handle removal is guaranteed not to introduce invalid geometry or new topological errors.
  • The adaptive grid structure enables efficient processing of high-resolution, large models.

Conclusions:

  • The skeleton-based method provides a reliable and efficient solution for repairing topological errors in solid models.
  • This approach enhances the quality and usability of models generated by reconstruction algorithms.