Degree Reduction of Disk Wang-Bézier Type Generalized Ball Curves
Publish place: Journal of Advances in Computer Research، Vol: 3، Issue: 1
Publish Year: 1390
Type: Journal paper
Language: English
View: 527
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Document National Code:
JR_JACR-3-1_004
Index date: 6 September 2016
Degree Reduction of Disk Wang-Bézier Type Generalized Ball Curves abstract
A disk Wang-Bézier type generalized Ball curve is a Wang-Bézier type generalized Ball curve whose control points are disks in a plane. It can be viewed as a parametric curve with error tolerances. In this paper, we discuss the problem of degree reduction of disk Wang-Bézier type generalized Ball curve, that is, bounding disk Wang-Bézier type generalized Ball curves with lower degree disk Wang-Bézier type generalized Ball curves. We propose an algorithm to solve this problem. The algorithm starts by finding an optimal approximation to the center curve of the original disk Wang-Bézier type generalized Ball curve, which is served as the center curve of the degree reduced disk Wang-Bézier type generalized Ball curve. Then the radius of the degree reduced disk Wang-Bézier type generalized Ball curve is computed by solving some linear programming problems, and for which analytic solutions are obtained.
Degree Reduction of Disk Wang-Bézier Type Generalized Ball Curves Keywords:
Wang-Bézier Type Generalized Ball Curve , Degree Reduction , Optimal , Approximation , Degree Elevation
Degree Reduction of Disk Wang-Bézier Type Generalized Ball Curves authors
Davood Bakhshesh
Department of Computer Science, University of Bojnord, Bojnord, Iran
Seyyed Abdol Hamid Esfahani
MA in Engineering and Faculty Member of Islamic Azad University, Qaenat Branch, Iran