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Smooth Surface Reconstruction using Doo-Sabin Subdivision Surfaces

机译:使用DOO-Sabin细分表面的光滑表面重建

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A new technique for the reconstruction of a smooth surface from a set of 3D data points is presented. The reconstructed surface is represented by an everywhere C~1-continuous subdivision surface which interpolates all the given data points. The new technique consists of two major steps. First, an efficient surface reconstruction method is applied to produce a polyhedral approximation to the given data set M. A Doo-Sabin subdivision surface that smoothly passes through all the points in the given data set M is then constructed. The Doo-Sabin subdivision surface is constructed by iteratively modifying the vertices of the polyhedral approximation until a new control mesh M, whose Doo-Sabin subdivision surface interpolates M, is reached. This iterative process converges for meshes of any size and any topology. Therefore the surface reconstruction process is well-defined. The new technique has the advantages of both a local method and a global method, and the surface reconstruction process can reproduce special features such as edges and corners faithfully.
机译:提出了一种从一组3D数据点重建光滑表面的新技术。重建的表面由Aplywhere C〜1连续细分表面表示,该表面插值所有给定的数据点。新技术由两个主要步骤组成。首先,应用有效的表面重建方法,以产生给定数据集M的多面体近似。然后,然后构造了顺序地通过给定数据集M中的所有点的DOO-Sabin细分表面。通过迭代地修改多面体近似的顶点,直到达到新的控制网格M,其DOO-Sabin细分表面插值M的新的控制网格M构成DOO-Sabin细分表面。这种迭代过程会聚任何大小和任何拓扑的网格。因此,表面重建过程是明确定义的。新技术具有本地方法和全局方法的优点,并且表面重建过程可以忠实地再现边缘和角落等特殊功能。

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