Method of and apparatus for generating proof

Details Method of and apparatus for generating proof Method of and apparatus for generating proof

1996-10-18

1998-07-14

Coles, Edward L.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

395111, 358296, 358500, 358518, 358527, 358530, 358534, G06F 1500, H04N 123, H04N 146, G03F 308

Patent

active

057817090

ABSTRACT:
A color proof is generated as a hard copy approximating a printed color document by a color printer or as a displayed image approximating a printed color document by a color display monitor. A color shift produced by a filtering process which cuts off a spatial frequency response inherent in an image output device such as a color printer, a color display monitor, or the like while retaining a spatial frequency response inherent in a printing screen of a printed color document during an image structure simulation process is corrected by a color shift correcting LUT, and thereafter a color shift caused when a color digital printer is used is corrected by a color shift correcting LUT. A generated color proof accurately reproduces colors and image structure of the printed color document.

REFERENCES:
patent: 5019472 (1991-05-01), Benack et al.

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