Image information processing system

Details Image information processing system Image information processing system

1996-12-13

1999-02-16

Rogers, Scott

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358298, G06K 1502, H04M 1405

Patent

active

058728996

ABSTRACT:
A ROM stores density conversion tables appropriate for a present apparatus to execute recording and standard density conversion tables. As a command is entered on a control panel, a CPU sets the optimum density conversion table in a RAM and again converts image data of 256 levels of gradation for a density adjustment. Resultant image data undergoes false halftone processing in an error diffusion circuit and is transmitted to the present apparatus or a destination recorder. When the record characteristic of the destination recorder is unknown, the standard density conversion table is used, so that no large difference occurs for recording.

REFERENCES:
patent: 5125045 (1992-06-01), Murakami et al.
patent: 5625716 (1997-04-01), Borg

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