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Centroidal Voronoi Tessellation of Streamlines for Flow Visualization

机译:流线的质心Voronoi细分化以实现流程可视化

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Centroidal Voronoi tessellation (CVT) and its extensions have a wide spectrum of applications including computational geometry, image processing, cellular biology and scientific visualization etc. In this paper, we propose the concept of the complete streamline and the CVT of streamlines, and then formulate the computation of CVT of complete streamlines as a continuous variational problem. To reduce the computing complexity, we present a simple, approximation method for solving this problem. Given a flow field and a number of complete streamlines, our method can optimize the placement of the streamlines so that the streamlines best approximate the geometric characteristics of the flow field. Experimental results show the effectiveness of our method for flow visualization, especially in terms of continuity and uniformity.
机译:质心Voronoi镶嵌(CVT)及其扩展具有广泛的应用,包括计算几何,图像处理,细胞生物学和科学可视化等。在本文中,我们提出了完整流线的概念和流线的CVT,然后提出完整流线CVT的计算是一个连续的变分问题。为了降低计算复杂度,我们提出了一种简单的近似方法来解决此问题。给定流场和许多完整的流线,我们的方法可以优化流线的位置,以使流线最接近流场的几何特征。实验结果表明,我们的方法对于流动可视化是有效的,特别是在连续性和均匀性方面。

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