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

Revista:
Materials matemàtics

ISSN: 1887-1097

Año de publicación: 2011

Número: 0

Tipo: Artículo

Otras publicaciones en: Materials matemàtics

Resumen

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.