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Adaptively up-sampling of point-sampled models is one of key technologies to build multi-resolution point-based surfaces. In this paper, we propose an up-sampling algorithm for point-models. Our algorithm first defines a smooth manifold patch for each point in model based on a local projecting procedure, defined by the famous moving least squares (MLS) method. A valid up-sampling region is calculated...
In this paper, we present an efficient algorithm to generate tetrahedral meshes from surface models. Our algorithm first subdivides the axis-aligned bounding box of a surface model into a number of uniform tetrahedra, and then generates an initial indention mesh after removing all the tetrahedra outside the surface model by employing a signed distance function, defined by the vertices of the surface...
In this paper, we present an efficient algorithm to generate tetrahedral volume mesh for 3D models with manifold surface. Our algorithm first evaluates an initial cube which completely encompasses the model to be meshed, and then subdivides the cube into a set of uniformly tetrahedral mesh. Then all the tetrahedra intersected with the model surface are refined by red green refinement strategy. As...
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