Method for partially smoothing retouch in electronic color repro

Details Method for partially smoothing retouch in electronic color repro Method for partially smoothing retouch in electronic color repro

1982-03-17

1985-05-07

Chin, Tommy P.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 78, H04N 146

Patent

active

045161550

ABSTRACT:
A method for smoothing retouch in electronic color image reproduction employs a coordinate pen used by the retoucher as a retouch brush, to identify image point coordinates within an image point area. The color values associated with the image point coordinates are changed as a function of the color values of the nearby image point coordinates. The size of the areas which have their color values changed is operator-selectable. The color values of the areas which are changed can be matched to the marginal values of the area, or may be replaced by a mean value of the color values within the area. By this means image contours may be flattened, and the effective noise in the image surfaces may be minimized.

REFERENCES:
patent: 3941755 (1976-03-01), Chapman et al.
patent: 4017894 (1977-04-01), Akami et al.
patent: 4189743 (1980-02-01), Schure
patent: 4236174 (1980-11-01), Gall
patent: 4285009 (1981-08-01), Klopsch
patent: 4307962 (1981-12-01), Jung
patent: 4328515 (1982-05-01), Wellendorf
patent: 4349279 (1982-09-01), Jung

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