Skeleton Based Parametric Solid Models: Ball B-Spline Surfaces

Skeleton Based Parametric Solid Models: Ball B-Spline Surfaces
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DOI:
10.1109/cadcg.2007.4407854
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发表时间:
2007-12
期刊:
2007 10th IEEE International Conference on Computer-Aided Design and Computer Graphics
影响因子:
--
通讯作者:
Zhongke Wu;S. H. Soon;Mingquan Zhou
Zhongke Wu;S. H. Soon;Mingquan Zhou
中科院分区:
其他
文献类型:
--
作者:
Zhongke Wu;S. H. Soon;Mingquan Zhou

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提出了一种新的基于骨架的自由壳状实体的参数化表示方法--球状B-样条面(BBSS)及其基本性质和算法。BBSS是球B样条曲线从一个参数变量到两个参数变量的推广。BBSS直接定义B样条线形式的对象,这与扫掠等程序方法不同。BBSS不仅描述三维实体内部的每个点,而且提供其中心曲面(骨架)。因此,表示更加灵活,便于建模、操纵和变形。
This paper proposes a new skeleton based parametric representation of freeform shell-like solid objects - Ball B-Spline Surfaces (BBSSs) and their fundamental properties and algorithms. BBSSs are generalizations of ball B-Spline curve from one parameter variable to two parameter variables. BBSSs directly define objects in B- Spline form, unlike a procedure method like sweeping. BBSSs describe not only every point inside 3D solid objects, but also provides their center surface (skeleton). So the representation is more flexible for modeling, manipulation and deformation.