SISTEMA MIGLIORATIVO DEL CONTRASTO DI IMMAGINI VIDEO UTILIZZANTE UN FILTRO DI VOLTERRA DEL SECONDO ORDINE.

摘要

Circuit for improving the contrast of a video image comprising a non-linear filter. The filter is a modified Volterra filter, that operates on a spatial domaine of a 3X3 squared window and it is obtained by truncating the development at the 2 DEG order (k=2).