English

On the injectivity of mean value mappings between quadrilaterals

Numerical Analysis 2025-06-24 v2 Numerical Analysis

Abstract

Mean value coordinates can be used to map one polygon into another, with application to computer graphics and curve and surface modelling. In this paper we show that if the polygons are quadrilaterals, and if the target quadrilateral is convex, then the mapping is injective.

Keywords

Cite

@article{arxiv.2407.00422,
  title  = {On the injectivity of mean value mappings between quadrilaterals},
  author = {Michael S. Floater and Georg Muntingh},
  journal= {arXiv preprint arXiv:2407.00422},
  year   = {2025}
}

Comments

Barycentric mapping, mean value coordinates, injectivity, Jacobian determinant