Image zooming based on sampling theorems

  1. Almira, J. M 1
  2. Romero, A. E. 2
  1. 1 Universidad de Jaén
    info

    Universidad de Jaén

    Jaén, España

    ROR https://ror.org/0122p5f64

  2. 2 University of London
    info

    University of London

    Londres, Reino Unido

    ROR https://ror.org/04cw6st05

Revue:
Materials matemàtics

ISSN: 1887-1097

Année de publication: 2011

Número: 0

Type: Article

D'autres publications dans: Materials matemàtics

Résumé

In this paper we introduce two digital zoom methods based on sampling theory and we study their mathematical foundation. The first one (usually known by the names of "sinc interpolation", "zero-padding" and "Fourier zoom") is commonly used by the image processing community.