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Related Experiment Videos

Polygon reduction of 3D objects using Stokes' theorem.

Nam H Kim1, Sun K Yoo, Kyoung S Lee

  • 1Department of Medical Engineering, Yonsei University College of Medicine, Sudaemoon-gu, Shinchon-dong 134, 120-752 Seoul, Republic of Korea.

Computer Methods and Programs in Biomedicine
|June 12, 2003
PubMed
Summary

This study introduces a new polygon reduction algorithm for surface rendering. It efficiently reduces mesh complexity using an arbitrary shaped boundary, outperforming conventional methods in speed and data reduction.

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Area of Science:

  • Computer Graphics
  • Scientific Visualization
  • Computational Geometry

Background:

  • Surface rendering requires significant computational resources due to large polygon counts.
  • Existing mesh decimation algorithms face limitations in efficiency and reduction ratio.

Purpose of the Study:

  • To propose a novel algorithm for efficient polygon mesh reduction.
  • To enhance surface rendering performance on low-cost hardware and standard formats.

Main Methods:

  • A novel algorithm for simultaneous vertex deletion using a closed arbitrary shaped boundary.
  • Adaptation of Stokes' theorem for boundary extraction in mesh decimation.
  • Evaluation using synthesized polygonal objects and real CT data.

Main Results:

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  • The new algorithm achieves higher reduction ratios compared to conventional decimation.
  • Simultaneous vertex deletion offers computational gains.
  • The algorithm maintains topological integrity of the original mesh.

Conclusions:

  • The proposed algorithm provides superior computational and reduction efficiency.
  • Demonstrates potential for medical rendering applications with complex datasets.