Digital de-screening of documents

Details Digital de-screening of documents Digital de-screening of documents

H - Electricity

04

N

H04N 1/40 (2006.01)

Patent

CA 2433510

A method and a system for de-screening an image signal. The system comprises a filter bank, a control module and a blend module. The filter bank filters the image signal and produces a set of filter output signals. The control module generates at least one control signal based on the image signal and some of the filter output signals. The blend module dynamically blends the filter output signals in accordance with the control signal to produce a de--screened output signal.

Une méthode et un système de détramage de signaux d'image. Le système comprend une banque de filtrage, un module de commande et un module de mélange. La banque de filtrage filtre le signal d'image et produit un ensemble de signaux de sortie de filtre. Le module de commande génère au moins un signal de commande basé sur le signal d'image et sur certains des signaux de sortie du filtre. Le module de mélange allie de façon dynamique les signaux de sortie du filtre en conformité avec le signal de commande pour produire un signal de détramage de sortie.

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