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This paper describes a novel method for surface mesh simplification. Given an initial surface mesh, the goal is to reduce the number of mesh elements and preserve the geometric approximation as well as the shape quality of the resulting mesh. We present a novel method -- triangle contraction to simplify the mesh, and two tolerance areas with respect to the reference mesh have been introduced to preserve...
This paper presents a novel efficient culling method for continuous collision detection (CCD) problem performed by dimension reduction in subspace. The basic idea is to use a fast one-dimension (1D) reduced filter and a fast two-dimension (2D) reduced filter that remove large amount of false positives and elementary tests between the primitives. The culling method could be combined with other techniques...
The character of the subdivision surfaces is that the number of facets grows exponentially with the level of subdivision. A novel adaptive subdivision algorithm based on Catmull-Clark scheme is presented in this paper by calculating the distance smoothness value of the vertices. The new method generates preferable rendering results than the traditional adaptive approaches such as computing a vertex's...
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