Color image processing apparatus with a plurality of addressable

Details Color image processing apparatus with a plurality of addressable Color image processing apparatus with a plurality of addressable

1984-03-14

1987-07-07

Groody, James J.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 32, 358 75, 358164, 358280, G03F 308, H04N 146, H04N 5202, H04N 969

Patent

active

046790748

ABSTRACT:
There is disclosed an image processing apparatus for processing an image signal in which the mode of image processing is rendered variable to adapt to plural input devices. More specifically, a conversion matrix circuit receives image signals from one of a plurality of different input devices and converts the image signals into corrected additive primary color signals red, green and blue. The conversion matrix circuit compensates for any differences in the spectral characteristics of the different input devices. The matrix includes a plurality of conversion tables stored in memory for performing the conversion. A selected one of the conversion tables is addressed by the image signals.

REFERENCES:
patent: 3622698 (1971-11-01), Richeson, Jr. et al.
patent: 4032969 (1977-06-01), Ueda
patent: 4285009 (1981-08-01), Klopsch
patent: 4349835 (1982-09-01), Horiguchi et al.
patent: 4364084 (1982-12-01), Akimoto et al.
patent: 4383277 (1983-05-01), Kubo
patent: 4622582 (1986-11-01), Yamada

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