2004
DOI: 10.1117/12.527091
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<title>Topological approach for detecting objects from images</title>

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Cited by 6 publications
(5 citation statements)
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“…This technique takes into consideration some important aspects to guarantee the quality of the part, such as the heat transfer through the walls and the points of insertion of the mould, and the temperature dependence in the polymer fluidity. The implemented numerical method uses the topological data structure SHE-singular handle edge [3], capable of dealing with complex geometry and singularities, aspects commonly found in numerical simulation of fluid flow in real geometries. The simplified governing equations are resolved using an unstructured mesh, generated by Delaunay triangulation [4] and the discretization method is based on the finite volume formulation [5,6].…”
Section: Introductionmentioning
confidence: 99%
“…This technique takes into consideration some important aspects to guarantee the quality of the part, such as the heat transfer through the walls and the points of insertion of the mould, and the temperature dependence in the polymer fluidity. The implemented numerical method uses the topological data structure SHE-singular handle edge [3], capable of dealing with complex geometry and singularities, aspects commonly found in numerical simulation of fluid flow in real geometries. The simplified governing equations are resolved using an unstructured mesh, generated by Delaunay triangulation [4] and the discretization method is based on the finite volume formulation [5,6].…”
Section: Introductionmentioning
confidence: 99%
“…These features of the mold-filling problem provide several simplifications of the underlying 3D-coupled multiphysics process that leads to a less complex model that can be addressed by an efficient iteratively decoupled algorithm as developed here. The numerical method developed in this work utilizes the singular handle edge data structure [4] for a background unstructured Delaunay triangulation [5] to construct a control volume finite element method (CVFEM) [6,7]. The moving free surface is computed using a novel point-based local meshfree modification of the front-tracking method.…”
Section: Introductionmentioning
confidence: 99%
“…Neste quesito, as estruturas de dados topológicas, que foram originalmente concebidas por Baumgart [3], possuem um comportamento muito bom, demonstrando robustez no tratamento de malhas simpliciais [21,20]. Outras estruturas utilizadas na manipulação de malhas incluem a winged-edge [3], quad-edge [13] e a half-edge [16].…”
Section: Capítulo 4 Implementaçõesunclassified