Image data processing unit

Details Image data processing unit Image data processing unit

1989-10-02

1991-07-02

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358444, 358460, 358 75, H04N 140

Patent

active

050290193

ABSTRACT:
The image data processing unit supplies the image data from the memory to the look-up table, and resupplies output data from the look-up table to the look-up table by feeding it back to the input side of the look-up table. When supplying the fed-back data to the look-up table, the data once subjected to image processing is again processed by carrying out image conversion on the basis of a differently configured look-up table, by switching over the content in the look-up table from the previous content on the basis of pre-stored information. The data subjected to the desired data conversion by the look-up table is supplied to the display unit via a DA converter.

REFERENCES:
patent: 4236178 (1980-11-01), Tiemeijer
patent: 4636845 (1987-01-01), Alkofer
patent: 4866514 (1989-09-01), Yeomans

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