Method of restoring a picture cell by estimation with high densi

Details Method of restoring a picture cell by estimation with high densi Method of restoring a picture cell by estimation with high densi

1980-08-06

1982-10-26

Krass, Errol A.

Boots, shoes, and leggings

358284, H04N 140

Patent

active

043565557

ABSTRACT:
A picture is divided into equal square picture cells, and the picture cells are sampled in such a manner that the sampled picture cells form a checkered pattern. The density of the non-sampled picture cell is outputted as four data by using the four sampled picture cells surrounding the four sides of the non-sampled picture cell.

REFERENCES:
patent: 2962550 (1960-11-01), Brink
patent: 3739082 (1973-06-01), Lippel
patent: 3916096 (1975-10-01), Everett et al.
patent: 3999047 (1976-12-01), Green
patent: 4127873 (1978-11-01), Katagi
patent: 4131883 (1978-12-01), Lundstrom
patent: 4150400 (1979-04-01), Wong
Appel et al.; "Automatic Filling of Bounded Areas in a Raster Display"; IBM Tech. Discl. Bulletin; vol. 21, No. 3, Aug. 1978; pp. 1300-1303.
Stucki; "Optimal Digital Half Tone Pattern Generation Method"; IBM Tech. Discl. Bulletin; vol. 17, No. 9, Feb. 1975; pp. 2779-2780.

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