Postscript level 1 color correction

Details Postscript level 1 color correction Postscript level 1 color correction

1997-12-19

2000-02-29

Coles, Edward L.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 19, 358500, 358518, 358520, 345150, B41B 1500, H04N 146, G03F 308

Patent

active

060316284

ABSTRACT:
A PostScript-compatible printer accepts PostScript language commands that indicate both device-dependent and device-independent color specifications. Such a printer in accordance with the invention has a PostScript interpreter that implements Level 1 and Level 2 color rendering pipelines. In the Level 1 color rendering pipeline, the interpreter converts device-dependent color specifications to internal color specifications using a calibrated n-dimensional operation. In the Level 2 color rendering pipeline, the interpreter converts device-independent color specifications to device-dependent color specifications using a standard PostScript color rendering dictionary, and then passes such device-dependent color specifications into the Level 1 pipeline for further processing.

REFERENCES:
patent: 5243414 (1993-09-01), Dalrymple et al.
patent: 5311212 (1994-05-01), Beretta

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