Method and apparatus for controlling the printing of an image ha

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364525, 358534, 356407, 356425, 356379, G01J 346

Patent

active

053574486

ABSTRACT:
A method and apparatus for printing a multi-colored image is provided. The image is composed of a plurality of single-color images, each of which is printed by an inking means in a base color ink. The reflectance of the image is measured by a spectrophotometer. Based upon the reflectance of the image and the full-tone reflectance of the base colors in the image, the effective dot density of each of the base colors are determined. The effective dot densities of the base colors of the image are compared to the effective dot densities of the base colors of an exemplary image. Based on the comparison, control signals are sent to the inking means to adjust the amount of ink used to print the single-color images. The effective dot density of the base colors of the image are determined from the reflectance of the image using a prediction process that incorporates a modified form of Neugebauer's model.

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patent: 5182721 (1993-01-01), Kipphan et al.
patent: 5206707 (1993-04-01), Ott

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