Color image pickup device having a level correcting circuit for

Details Color image pickup device having a level correcting circuit for Color image pickup device having a level correcting circuit for

1989-10-10

1992-02-11

Groody, James J.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 39, H04N 977

Patent

active

050879677

ABSTRACT:
Apparatus for processing a color video signal produced by an imager. A low-pass filter supplied with the color video signal from the imager generates a luminance signal to which is added an outline component produced by a level correcting circuit that receives the color video imager signal and passes a level-corrected imager signal through a bandpass filter which extracts therefrom the outline component.

REFERENCES:
patent: 4176373 (1979-11-01), Dillon et al.
patent: 4697208 (1987-09-01), Eino

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