Method and apparatus for reproducing an image which has a coarse

Details Method and apparatus for reproducing an image which has a coarse Method and apparatus for reproducing an image which has a coarse

1983-05-12

1985-08-06

Martin, John C.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 76, 358160, 358280, H04N 146, H04N 514, H04N 140, G03F 310

Patent

active

045339422

ABSTRACT:
Method and apparatus for the reproduction of an image with coarser resolution than used during scanning wherein the original image is opto-electronically scanned point-wise and line-wise with a prescribed resolution and is converted into digital image signals, and a field containing as many image points as is used for one coarse image point is extracted from the digital image signals, and wherein weighting is undertaken for the individual image signals of the image points of said field and a corresponding image signal for the coarse image point is obtained by means of combining the weighted image signals.

REFERENCES:
patent: 4127870 (1978-11-01), Colditz
patent: 4240113 (1980-12-01), Michael et al.
patent: 4447831 (1984-05-01), Adsett

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