Screening method

H - Electricity – 04 – N

Patent

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Details

H04N 1/40 (2006.01) H04N 1/405 (2006.01)

Patent

CA 2398654

A method of choosing a screening geometry that is not a regular grid is disclosed. A characteristic self-interference frequency of a proposed screening geometry for a single screen is determined as a function of a cell grid and a pixel grid. The screen is accepted if the characteristic frequency is greater than a given value.

On décrit un procédé de sélection d'une géométrie de criblage qui ne se présente pas sous forme d'une grille ordinaire. Une fréquence d'autoréférence caractéristique d'une géométrie de criblage proposée pour un tamis unique est déterminée en fonction d'une grille de cellules et d'une grille de pixels. Le tamis est accepté si la fréquence caractéristique est supérieure à une valeur donnée.

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