提出了一种新的基于有理二次样条曲线的图像放大方法。
In this paper, a new method which based on the curves of rational quadratic splines was presented to enlarge images.
提出利用有理二次样条曲线插值整体曲率连续的曲线的一种方法。
A method for interpolating global curvature continuity curves with conic segments is presented in this paper.
其变量个数类似于三次样条，光滑性与逼近阶都比三次样条降低一次，即类似于二次样条。
Its number of variables is similar to the cubic spline. Its order of smoothness and approximation is one order lower than that of cubic spline. Therefore it is similar to the binary spline.
在分析了样条函数插值基础上，提出最短二次样条插值问题，并提出用黄金分割法解决该问题。
Based on analysis of quadratic spline interpolation, the shortest quadratic spline interpolation is discussed. Furthermore, golden section method is put forward to solve this problem.
文中还定义了平面单连通多边形区域的所谓分层三角剖分，并确定了此剖分下二次样条空间的维数。
Then, a new kind of so-called stratified triangulation of a simply connected planar polygonal region is introduced.
本文推导出计算机绘图中的二次B一样条曲线的参数方程，介绍二次B一样条曲线的性质，并给出在逼近曲线时的特殊处理方法。
This paper infers the parametric equation of the quadric B-spline curve, introduces its character, and gives the special method of process when the curve is approximated.
并阐述了具有循环细分矩阵的二次B -样条曲线细分在计算机辅助几何设计中的应用。
An application of quadratic B-spline subdivision with circulant subdivision matrix in computer aided geometric design is proposed.
并阐述了具有循环细分矩阵的二次B -样条曲线细分在计算机辅助几何设计中的应用。
An application of quadratic B-spline subdivision with circulant subdivision matrix in computer aided geometric design is proposed.
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