3D Model Simplification through Elementary Geometric Structures using Hough Transform

• Nicolas Ebone Cendron UFRGS
• Dennis Giovani Balreira UFRGS

DOI: https://doi.org/10.5753/sibgrapi.est.2023.27460

Resumo

Current methods for three-dimensional (3D) model simplification often involve intricate algorithms that may compromise visual fidelity or incur high computational costs. Traditional approaches using decimation algorithms may still fall short in terms of achieving storage efficiency comparable to basic 3D geometric primitives. This paper proposes an approach centered on the utilization of elementary geometric structures, such as spheres and cylinders, for efficient 3D model simplification. Our approach capitalizes on the inherent simplicity of such shapes, enabling representation with fewer parameters and minimal storage requirements. The proposed method replaces intricate geometric details with these fundamental shapes, identifying regions suited to substitution using a Hough Transform-based method. Preliminary findings replace a region of the mesh with a single sphere.We present these primary results visually with the use of spheres for three 3D meshes along with their corresponding percentage gain regarding fundamental characteristics such as vertices, edges, faces, and size. For future work, we intend on expanding our technique to map other parts of the model and exploring further elementary geometries with Hough Transform.

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