Method of restoring a picture through estimation

Details Method of restoring a picture through estimation Method of restoring a picture through estimation

1980-03-05

1982-04-06

Smith, Jerry

Boots, shoes, and leggings

358166, 358284, G06F 1520, H04N 514

Patent

active

043239749

ABSTRACT:
In a picture restoring method, an original picture is divided into picture elements arranged in matrix form, the picture elements are grouped into picture element regions each of which has an arrangement of nxn picture elements, and each picture element region is divided into a minute picture element region having an arrangement of 1.5n.times.1.5n minute picture elements. The density levels of the minute picture element in each minute picture element region are determined black or white according to the average value of the density levels of the picture elements of each picture element region and the density level data of selected minute picture elements among the minute picture elements of each minute picture element region, the density level data being obtained through calculation using the decimal-quantized density levels of the picture elements of each picture element region.

REFERENCES:
patent: 4127873 (1978-11-01), Katagi
patent: 4150401 (1979-04-01), Yamamoto et al.
patent: 4184206 (1980-01-01), Harano
patent: 4215414 (1980-07-01), Huelsman
patent: 4231095 (1980-10-01), Cassagne

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