the reconstruction of signed distance function (sdf) is an imperative and time-consuming step in level set method.
符号距离函数重构是水平集方法中必不可少、且相当费时的步骤。
in chapter 3, an algebraic b-spline curve fitting algorithm based on the signed distance field is proposed.
第三章提出了一种基于有向距离场的代数b-样条曲线重建方法。
we use signed distance and centroid to defuzzify the total cost in the fuzzy sense in fuzzy inventory without backorder.
利用有号距离和形心将无缺货补货的模糊库存的总成本利用有号距离和形心解模糊化。
for fast calculating the signed distance from spatial point to stl model, a reference ball method was put foward based on linear octree.
针对如何快速求取空间点到stl模型表面有符号距离这一问题,提出一种基于线性八叉树的参考球方法。
in this paper, the surface is presented with a parameterized equation or a signed distance function.
文中的曲面或用参数方程表达或用符号距离函数表达。
at first, the optimal results are determined using a simple algebraic method and signed distance to solve the fuzzy model.
运用符号距离和简单代数方法确定了模糊模型的最优结果。
using cache technology, by which the evaluated signed distance from vertices of the cell to the isosurface are saved and copied into its neighboring cells, can improve the efficiency of the algorithm.
采用缓存技术记录已处理过体元的顶点信息,避免了重复计算,从而提高了重建的效率。