Image processing apparatus using tonal degree conversion

Details Image processing apparatus using tonal degree conversion Image processing apparatus using tonal degree conversion

1991-06-18

1994-03-01

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358404, 358444, 382 44, 382 46, H04N 140, H04N 100

Patent

active

052913082

ABSTRACT:
An image processing apparatus to modify input image and output the modified image to a printer, comprises a buffer memory for storing image information; processing means for subjecting said image information to a modification process including a tonal degree conversion process; and a frame memory for storing said modified image information. In the apparatus, the buffer memory stores one of image information modified and the image information not modified, in accordance with the data quantities of the image information before and after the modification process.

REFERENCES:
patent: 3976982 (1976-08-01), Eiselen

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