Piecewise quadratic trigonometric rational spline curves

被引：0
|
作者：
Han, XL [1 ]
机构：
[1] Cent S Univ, Dept Appl Math & Appl Sci, Changsha 410083, Peoples R China
来源：
SECOND INTERNATION CONFERENCE ON IMAGE AND GRAPHICS, PTS 1 AND 2 | 2002年 / 4875卷
关键词：
trigonometric spline; spline curve; shape parameter;
D O I：
10.1117/12.477101
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
A piecewise quadratic trigonometric rational spline curve is presented and analyzed in this paper. Each curve segment is constricted by using three consecutive control points. The spline curves can be C-3 continuous for uniform knot vector and C-2 continuous for non-uniform knot vector. A local shape parameter is used in the spline curves. As the increase of the value of shape parameter, the curves approach to the edge of the control polygon.
引用
收藏
页码：975 / 979
页数：5
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