Incoherent 2-D spatial filtering of screened images

Autor: Hogert, Elsa N., Gaggioli, Nestor G.
Zdroj: Applied Optics; June 1990, Vol. 29 Issue: 17 p2564-2568, 5p
Abstrakt: Incoherent 2-D spatial filtering can be achieved by means of an astigmatic system. Double screened pictures can be easily descreened with this method. Theoretical analysis and experimental results are presented.
Databáze: Supplemental Index