Image processing apparatus

Details Image processing apparatus Image processing apparatus

1991-11-01

1994-07-05

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358445, 358447, 358458, 358461, 358521, 358520, G03F 308

Patent

active

053272587

ABSTRACT:
An image processing apparatus includes an input unit for inputting multivalue data for each pixel, a resolution conversion unit for generating multivalue data of one pixel corresponding to each block comprising one or a plurality of adjacent pixels of the input multivalue data in order to output multivalue data having a pixel density corresponding to a printing pixel density of a printing unit to the printing unit, and an assigning unit for assigning a magnification ratio of an output image. The resolution conversion unit changes the number of pixels of input image data constituting one block in accordance with the magnification ratio assigned by the assigning unit.

REFERENCES:
patent: 4897734 (1990-01-01), Sato et al.
patent: 4905097 (1990-02-01), Wantanabe et al.
patent: 5101282 (1992-03-01), Honma
patent: 5144456 (1992-10-01), Sakano

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