Method of color correction

Details Method of color correction Method of color correction

1976-08-16

1977-11-29

Britton, Howard W.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 78, G03F 308

Patent

active

040608298

ABSTRACT:
A method of color correction of the particular application to a color scanner having a color correction circuit, an analog-digital converter and a memory. Color separation signals obtained by scanning a color original are first compressed to the color ranges reproducible by printing inks by the color correction circuit and then converted at the analog-digital converter to digital signals, which are to be utilized as addressing signals. Memorized in the memory are only correction signals whose absolute values are relatively small so as to effect a considerable reduction of a memory capacity of the memory. The correction signals are read out by the digital signals and added thereto, whereby suitably-corrected signals for recording color separation images can be obtained.

REFERENCES:
patent: 3600505 (1971-08-01), Dobouney
patent: 3875587 (1975-04-01), Pugsley
patent: 3942154 (1976-03-01), Akami et al.

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