Method and apparatus for generating an output device control sig

Details Method and apparatus for generating an output device control sig Method and apparatus for generating an output device control sig

1994-12-09

1996-09-10

Brinich, Stephen

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358533, H04N 152

Patent

active

055554750

ABSTRACT:
A method of generating an output device control signal having portions representing the content of pixels of an image including at least two types of image content, in which data defining the content of each pixel of the image at a lower, first resolution and a higher, second resolution are passed respectively through a pair of processing paths, one corresponding to each image content type. A binary control signal is generated from the first resolution data in the first path by applying a stochastic screen. The binary control signal resulting from the stochastic screen is adapted to conform with the data at the second resolution, and the output device control signal is generated by combining data from the two processing paths.

REFERENCES:
patent: 4004079 (1977-01-01), Boston
patent: 5267335 (1993-11-01), Mita
patent: 5426519 (1995-06-01), Banton
Patent Abstracts of Japan, vol. 13, No. 350, (E-800), Publication No. JP1109963, Apr. 26, 1989.
Patent Abstracts of Japan, vol. 12, No. 85, (E-591), Publication No. JP62220069, Sep. 28, 1987.

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