G2-Continuity Extension Algorithm for Disk B-Spline Curve

被引：2
|
作者：
Zhang, Ting [1 ]
Wang, Xingce [1 ]
Jiang, Qianqian [1 ]
Wu, Zhongke [1 ]
Zhou, Mingquan [1 ]
Seah, Hock Soon [2 ]
机构：
[1] Beijing Normal Univ, Coll Informat Sci & Technol, Beijing, Peoples R China
[2] Nanyang Technol Univ, Sch Comp Engn, Singapore, Singapore
来源：
2013 INTERNATIONAL CONFERENCE ON COMPUTER-AIDED DESIGN AND COMPUTER GRAPHICS (CAD/GRAPHICS) | 2013年
关键词：
Disk B-Spline Curve; Extension Algorithm; G(2)-continuity; Energy Objective Function;
D O I：
10.1109/CADGraphics.2013.73
中图分类号：
TP31 [计算机软件];
学科分类号：
081202 ; 0835 ;
摘要：
Curve extension is a useful function in CAD systems. Disk B-Spline curve has its distinct advantages in representing a 2D region. This paper presents an algorithm for extending the disk B-Spline curve. A disk Bezier segment is used to construct the extending part and G(2)-continuity can be used to describe the smoothness of the joint disk. Fairness of the extending disk Bezier segment is achieved by minimizing an energy objective function. New control disks are computed by unclamping algorithm to represent the whole extended disk B-Spline curve. The experimental results demonstrate the effectiveness of our method.
引用
收藏
页码：413 / 414
页数：2
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