Method of adjusting gray scale response to more closely...

H - Electricity – 04 – N

Patent

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Details

H04N 1/407 (2006.01) B41F 33/00 (2006.01) H04N 1/40 (2006.01)

Patent

CA 2498554

The present invention provides for a method of adjusting the gray scale response of a first scanner and a second scanner so that the two gray scale responses more closely match one another. The method includes the step of providing a first scanner that has a gray scale response upon scanning a target. Also, a second scanner is provided that has a gray scale response upon scanning the target that is adjustable. The gray scale response of the first scanner is measured upon the scanning of the target. Also, the gray scale response of the second scanner is measured upon scanning the target. Additionally, the gray scale response of the second scanner is adjusted in order to more closely match the gray scale response of the first scanner.

La présente invention concerne un procédé pour régler la réponse d'échelle de gris d'un premier et d'un second dispositif de balayage pour permettre une meilleure correspondance de leurs réponses d'échelle de gris entre elles. Le procédé comprend une étape de mise à disposition d'un premier dispositif de balayage qui a une réponse d'échelle de gris au cours du balayage d'une cible, puis la mise à disposition d'un second dispositif de balayage qui a une réponse d'échelle de gris au cours du balayage d'une cible, qui est réglable. La réponse d'échelle de gris du premier dispositif de balayage est mesurée au cours du balayage de la cible, ainsi que la réponse d'échelle de gris du second dispositif de balayage. La réponse d'échelle de gris du second dispositif de balayage est ensuite réglée pour mieux correspondre à la réponse d'échelle de gris du premier dispositif de balayage.

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