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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...
The surface roughness parameters commonly used as inputs to forest radar backscatter models are the root mean square heights (RMS) s and auto-correlation length l. These parameters were traditionally estimated from a one-dimensional surface profile with limited length. The complexity of natural surfaces makes it very difficult to explicitly describe the soil roughness. Terrestrial Laser Scanner (TLS)...
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