Sciweavers

Share
SIBGRAPI
2006
IEEE

Polygonization of volumetric reconstructions from silhouettes

10 years 5 months ago
Polygonization of volumetric reconstructions from silhouettes
In this work we propose a method for the polygonization of octree-based reconstructions by dual contouring. Dual contouring is an adaptive method for determining contiguous polygonal meshes from signed octrees. It determines the positioning of the vertices of the mesh by minimizing a quadratic error expressed in terms of hermitian data. In order to apply dual contouring on volumetric reconstruction from silhouettes we devised a method that is able to determine the discrete topology of the contour in relation to the octree cells, as well as the hermitian data corresponding to the intersections and normals of conic volumes whose intersection approximates a structure known as Visual Hull. Due to the discrete and extremely noisy nature of the data used in the reconstruction we had to devise a different criterion for mesh simpliļ¬cation that applies topological consistency tests only when the geometric error measure is beyond a given tolerance. We present results of the application of the...
Anselmo Antunes Montenegro, Luiz Velho, Paulo Ceza
Added 12 Jun 2010
Updated 12 Jun 2010
Type Conference
Year 2006
Where SIBGRAPI
Authors Anselmo Antunes Montenegro, Luiz Velho, Paulo Cezar Pinto Carvalho, Jonas Sossai Jr.
Comments (0)
books