Facsimile and static presentation processing – Facsimile – Recording apparatus
Patent
1976-08-16
1978-09-19
Britton, Howard W.
Facsimile and static presentation processing
Facsimile
Recording apparatus
358 75, H04N 140, H04N 146
Patent
active
041158164
ABSTRACT:
A continuous-tone image, which can be in full color, is scanned to produce color-separation images in halftone dots. Edges of features in the scanned image are sensed, and the positions and shapes of the halftone dots that define corresponding edges in the halftone reproductions are adjusted so that they conform better to the feature edges. This reduces or eliminates the apparent serrations or roughness of feature edges in the halftone reproductions otherwise caused by misalignment of the halftone dots with the feature edges and improves image definition.
REFERENCES:
patent: 3646262 (1972-02-01), Moe
patent: 3887939 (1975-06-01), Hunt
patent: 3956587 (1976-05-01), Nelson
patent: 3983319 (1976-09-01), Moe et al.
Fazio Rodolfo
Green Ethan Robert
Lotz Robert William
Moe William West
Britton Howard W.
Printing Developments Inc.
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