Title
Quasi-Bernstein-Bézier polynomials over triangular domain with multiple shape parameters.
Abstract
Based on a new developed recursive relation, a class of Quasi-Bernstein–Bézier polynomials over triangular domain with multiple shape parameters, which includes the classical Bernstein–Bézier polynomials and the cubic and quartic Said–Ball polynomials over triangular domain as special cases, is constructed. The given polynomials have some important and good properties for surface modeling, such as partition of unity, non-negativity, linear independence and so on. The shapes of the corresponding triangular Quasi-Bernstein–Bézier patch can be modified intuitively and foreseeable by altering the values of the shape parameters without changing the control points. In order to compute the patch stably and efficiently, a new de Casteljau-type algorithm is developed. Moreover, the conditions for G1 continuous smooth joining two triangular Quasi-Bernstein–Bézier patches are derived.
Year
DOI
Venue
2015
10.1016/j.amc.2014.10.098
Applied Mathematics and Computation
Keywords
DocType
Volume
Bernstein–Bézier polynomials,Said–Ball polynomials,Triangular domain,Surface modeling,Shape parameter
Journal
250
ISSN
Citations 
PageRank 
0096-3003
1
0.36
References 
Authors
8
2
Name
Order
Citations
PageRank
Yuanpeng Zhu172.87
Xuli Han215922.91