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Statistical and Geometrical Way of Model Selection for a Family of Subdivision Schemes
Authors:Ghulam MUSTAFA
Institution:Department of Mathematics, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan
Abstract:The objective of this article is to introduce a generalized algorithm to produce the $m$-point $n$-ary approximating subdivision schemes (for any integer $m, n\geq 2).$ The proposed algorithm has been derived from uniform B-spline blending functions. In particular, we study statistical and geometrical/traditional methods for the model selection and assessment for selecting a subdivision curve from the proposed family of schemes to model noisy and noisy free data. Moreover, we also discuss the deviation of subdivision curves generated by proposed family of schemes from convex polygonal curve. Furthermore, visual performances of the schemes have been presented to compare numerically the Gibbs oscillations with the existing family of schemes.
Keywords:Approximating subdivision schemes  B-spline blending function  Convex polygon  Statistical and geometrical methods  Model selection and assessment
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