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Wang-Ball曲线的细分算法及包络 被引量:3

Subdivision Algorithm and Envelope for Wang-Ball Curves
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摘要 利用Wang Ball基函数的对偶基给出用显式表示的Wang Ball曲线的细分算法(细分矩阵),导出幂基函数在Wang Ball基下的Marsden恒等式,作为其应用还给出了几个相关的组合恒等式由Wang Ball基与Bernstein基之间的转换公式构造了Wang By means of the dual function of Wang-Ball basis, this paper presents an explicit subdivision algorithm for the Wang-Ball curve (subdivision matrix). As an application, some combinational identities are given. The Marsden's identity of power basis in terms of the Wang-Ball basis is also derived. Using the conversion formula between Bernstein basis and Wang-Ball basis, the envelope of the Wang-Ball curves is constructed.
出处 《计算机辅助设计与图形学学报》 EI CSCD 北大核心 2005年第4期637-643,共7页 Journal of Computer-Aided Design & Computer Graphics
基金 国家自然科学基金(10171026) 安徽省自然科学基金(03046102) 安徽技术师范学院稳定人才项目(ZRC200545) 合肥工业大学校基金(041001F)
关键词 Wang-Ball基函数 对偶泛函 细分算法 Marsden恒等式 组合恒等式 包络 Wang-Ball basis functions dual functional subdivision algorithm Marsden's identity combinational identities envelope
  • 相关文献

参考文献9

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二级参考文献10

  • 1Wu HongyiDept. ofMath. and Mech., HefeiUniv. of Technology,Hefei230009..UNIFYING REPRESENTATION OF BZIER CURVE AND GENERALIZED BALL CURVES[J].Applied Mathematics(A Journal of Chinese Universities),2000,15(1):109-121. 被引量:15
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共引文献8

同被引文献29

  • 1江平,邬弘毅.Wang-Ball基函数的对偶基及其应用[J].计算机辅助设计与图形学学报,2004,16(4):454-458. 被引量:8
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  • 3王国瑾.高次Ball曲线及其几何性质[J].高校应用数学学报,1987,2(1):126-140.
  • 4Goodman T N T,Said H B.Properties of generalized Ball curves and surfaces[J].Computer-Aided Design,1991,23(8):554-560
  • 5Goodman T N T,Said H B.Shape-preserving properties of the generalized Ball basis[J].Computer Aided Geometric Design,1991,8(2):115-121
  • 6Hu S M,Wang G J,Jin T G.Properties of two types of generalized Ball curves[J].Computer-Aided Design,1996,28(2):125-133
  • 7Morin G,Goldman R.On the smooth convergence of subdivision and degree elevation for Bézier curves[J].Computer Aided Geometric Design,2001,18(7):657-666
  • 8Jena M K,Shunmugaraj P,Das P C.A subdivision algorithm for generalized Bernstein-Bézier curves[J].Computer Aided Geometric Design,2001,18(7):673-698
  • 9夏成林,崔靖.Said-Ball曲线的细分算法[J].泰州职业技术学院学报,2007,7(4):67-70. 被引量:2
  • 10汪志华朱晓临.B6zier曲线与两类广义Ball曲线的统一表示[C]//第四届全国几何设计与计算学术会议,厦门,2009:13-16.

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二级引证文献6

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