Monochrome to full color scaleable image processing system for p

Details Monochrome to full color scaleable image processing system for p Monochrome to full color scaleable image processing system for p

1994-07-11

1996-11-05

Couso, Jose L.

Image analysis

Color image processing

382304, 358515, 348663, G06K 948, H04N 977

Patent

active

055725996

ABSTRACT:
To make the architecture of an image processing module of a monochrome printing machine convertible to a full color printing machine, bypass circuits are included in the luminance processing circuit of the monochrome printing system. These bypass circuits are inserted between a conventional shading circuit and conventional two-dimensional filter and auto-segmentation circuit of the luminance image processing system and between a conventional brightness adjustment circuit and a conventional one-dimensional image processor/screening circuit of the luminance image processing system. This inclusion of bypass circuits enables a chroma processing circuit to be installed in parallel with the luminance processing to make the monochrome system convertible to a full color system. The converted full color system utilizes the luminance processing system of the monochrome system to realize fully color processed signals ready for transmission to a printing subsystem.

REFERENCES:
patent: 4814790 (1989-03-01), Nitta
patent: 5028992 (1991-07-01), Arai
patent: 5220417 (1993-06-01), Sugiura
patent: 5260949 (1993-11-01), Hashizume et al.
patent: 5283670 (1994-02-01), Capitant et al.
patent: 5357354 (1994-10-01), Matsunawa
patent: 5369510 (1994-11-01), Taguchi

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