Title
Non-uniform B-spline curveswith multiple shape parameters.
Abstract
We introduce a kind of shape-adjustable spline curves defined over a non-uniform knot sequence. These curves not only have the many valued properties of the usual non-uniform B-spline curves, but also are shape adjustable under fixed control polygons. Our method is based on the degree elevation of B-spline curves, where maximum degrees of freedom are added to a curve parameterized in terms of a non-uniform B-spline. We also discuss the geometric effect of the adjustment of shape parameters and propose practical shape modification algorithms, which are indispensable from the user's perspective. © 2011 Journal of Zhejiang University Science Editorial Office and Springer-Verlag Berlin Heidelberg.
Year
DOI
Venue
2011
10.1631/jzus.C1000381
浙江大学学报C辑(计算机与电子)(英文版)
Keywords
Field
DocType
Degree elevation,Non-uniform B-spline,Shape parameter
Spline (mathematics),B-spline,Mathematical optimization,Polygon,Parameterized complexity,Mathematical analysis,Computer science,Bézier curve,Shape parameter,Elevation,Geometry,Knot (unit)
Journal
Volume
Issue
ISSN
12
10
1869196X
Citations 
PageRank 
References 
1
0.36
19
Authors
2
Name
Order
Citations
PageRank
Juan Cao1387.92
Guozhao Wang239837.24