Method and an apparatus for copying retouch in electronic color

Details Method and an apparatus for copying retouch in electronic color Method and an apparatus for copying retouch in electronic color

1983-11-30

1986-03-18

Groody, James J.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 75, 358 80, H04N 146, G03F 308

Patent

active

045772193

ABSTRACT:
In a method for copying retouch in color picture reproduction, color values are initially acquired by image-point-by-image-point trichromatic color picture scanning and digitization. The color values are deposited in a storage medium and are addressable by image point coordinates. With the coordinate pen of a coordinate acquisition means, the retoucher first marks a read point within a first image region from which a pattern is to be taken and a write point within a second image region into which the pattern is to be copied with image point precision. A distance between the read and write points is determined from the acquired image point coordinates and is fixed. The retoucher then acquires all image point coordinates within the first image region with the assistance of a coordinate pen. The image point coordinates of those image points within the second image region exhibiting the respective fixed distance from the acquired image points are simultaneously identified and a double coordinate pen is thus simulated. For precise pattern transfer, the color values of the first image region addressed with the assistance of the double coordinate pen are replaced image-point-by-image-point by the simultaneously addressed color values of the second image region or by values calculated from the color values.

REFERENCES:
patent: 4285009 (1981-08-01), Klopsch
patent: 4393399 (1983-07-01), Gast et al.

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