The structure of uniform B-spline curves with parameters

被引：5
|
作者：
Cao, Juan [1 ]
Wang, Guozhao [1 ]
机构：
[1] Zhejiang Univ, Dept Math, Inst Image Proc & Comp Graph, Hangzhou 310027, Peoples R China
来源：
PROGRESS IN NATURAL SCIENCE-MATERIALS INTERNATIONAL | 2008年 / 18卷 / 03期
基金：
中国国家自然科学基金;
关键词：
uniform B-spline; shape parameter; shape-adjustable curve; degree elevation;
D O I：
10.1016/j.pnsc.2007.09.005
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The shape-adjustable curve constructed by uniform B-spline basis function with parameter is an extension of uniform B-spline curve. In this paper, we study the relation between the uniform B-spline basis functions with parameter and the B-spline basis functions. Based on the degree elevation of B-spline, we extend the uniform B-spline basis functions with parameter to ones with multiple parameters. Examples show that the proposed basis functions provide more flexibility for curve design. (c) 2007 National Natural Science Foundation of China and Chinese Academy of Sciences. Published by Elsevier Limited and Science in China Press. All rights reserved.
引用
收藏
页码：303 / 308
页数：6
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