Color image correction device for correcting phase and resolutio

Details Color image correction device for correcting phase and resolutio Color image correction device for correcting phase and resolutio

1992-07-02

1994-05-24

Powell, Mark R.

Facsimile and static presentation processing

Natural color facsimile

Scanning

358514, 358515, 358532, 348253, H04N 146

Patent

active

053154134

ABSTRACT:
A color image reading and compensating device comprises an image reader including a color image sensor for forming a number of dots arranged in a line, each of the dots being composed of a plurality of pixels corresponding to a plurality of colors, respectively, for outputting a color image signal having a plurality of color signal components for each dot, and a compensating circuit for compensating phase and resolution characteristics of the color image signal, by use of not only one color signal component selected from the color signal components of the color image signal but also the other color signal components, the one color signal component and the other signal components corresponding to a dot of interest and dot in close proximity thereto.

REFERENCES:
patent: 4672433 (1987-06-01), Yamamoto et al.
patent: 4837614 (1989-06-01), Omi

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