An influence-knot set based new local refinement algorithm for T-spline surfaces

An influence-knot set based new local refinement algorithm for T-spline surfaces
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基于影响结集的T样条曲面局部细化新算法

DOI:
10.1016/j.eswa.2013.12.032
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发表时间:
2014-06
影响因子:
8.5
通讯作者:
Li, Yong-Dong
Li, Yong-Dong
中科院分区:
计算机科学1区
文献类型:
--
作者:
Wang, Aizeng;Zhao, Gang;Li, Yong-Dong

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局部细化在曲面建模中得到了广泛的应用。本文提出了影响结集的概念,并利用它建立了一种新的t样条曲面局部精化算法,通过实例验证了该算法的有效性。与现有算法相比,本算法可能有两个优点:(a)由于减少了附加控制点的数量,不会产生过多的控制点传播;(b)简化了判断是否需要添加额外控制点的过程,从而更容易获得最终的T-mesh拓扑。
Local refinement is widely applied in surface modeling. This paper proposes the concept of influence knot set, and uses it to establish a new algorithm for the local refinement of T-spline surfaces, whose effectiveness is demonstrated by several examples. Compared with existing algorithms, the present one may have two advantages: (a) it does not produce excessive propagation of control points because the number of additional control points is reduced; (b) it simplifies the process of judging whether an additional control point needs to be added or not, and so the final T-mesh topology can be obtained more easily.
DOI: 10.1145/54852.378512
发表时间: 1988-06
期刊: Proceedings of the 15th annual conference on Computer graphics and interactive techniques
影响因子: --
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发表时间: 2011-01-01
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