Image zooming based on sampling theorems

• Almira, J. M ^[1] ; Romero, A. E. ^[2]
  1. [1] Universidad de Jaén

     Universidad de Jaén

     Jaén, España

     
  2. [2] University of London

     University of London

     Reino Unido

     
• Localización: Materials matemàtics, ISSN-e 1887-1097, Nº. 0, 2011
• Idioma: inglés
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• 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.