期刊
PROGRESS IN NATURAL SCIENCE-MATERIALS INTERNATIONAL
卷 18, 期 3, 页码 303-308出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.pnsc.2007.09.005
关键词
uniform B-spline; shape parameter; shape-adjustable curve; degree elevation
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.
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