Local correction apparatus for a color previewer

Details Local correction apparatus for a color previewer Local correction apparatus for a color previewer

G - Physics

06

G

354/8, 178/3.3

G06G 7/75 (2006.01) H04N 1/62 (2006.01)

Patent

CA 1036712

ABSTRACT OF THE DISCLOSURE Disclosed is apparatus for use in a color previewer for simulating a graphic arts process, which enables the operator of the previewer to select A local area of a simu- lated reproduction and adjust the component color content of the selected area. In one embodiment of the invention the adjustment simulates hand etching of the selected local area on half-tone color separation transparencies. The apparatus may include circuits for measuring the component color con- tent of the selected local area and thereby provide a cali- bration for the subsequent etching operation.

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