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Bibliographic Details
Main Authors: Marsala, Michelangelo, Mazón, Pablo
Format: Preprint
Published: 2026
Subjects:
Online Access:https://arxiv.org/abs/2605.08087
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Table of Contents:
  • We prove that a general planar NURBS curve parametrization $ϕ: [u_0,u_m] \xrightarrow{} C \subset \mathbb{R}^2$ admits an inverse map $ϕ^{-1}: C \xrightarrow{} [u_0,u_m]$ defined by rational splines. More specifically, we construct a family of rational spline functions on the curve $C$, present explicit formulas for their computation, and prove that the inverse parametrization admits a representation as a linear combination of these functions. Several examples are provided to illustrate the effectiveness of the proposed approach.