Picture image data processor

Details Picture image data processor Picture image data processor

1988-02-01

1989-07-25

Groody, James J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358426, H04N 1411

Patent

active

048519197

ABSTRACT:
A picture image data processor produces processed picture data including half of the total lines of the original picture data by processing the original picture data every second line. The processor comprises buffers for storing processed picture data for a line processed immediately before a line currently being processed, picture data on a line subsequent to the line processed immediately before a line currently being processed, and not-yet-processed picture data on a line currently being processed, respectively. The data stored in the buffers and picture data currently being scanned are selectively supplied to a logic circuit, and picture data in the line currently being processed are processed.

REFERENCES:
patent: 4313138 (1982-01-01), Kanda
patent: 4396952 (1983-08-01), Tisue
patent: 4724483 (1988-02-01), Shinada
patent: 4743973 (1988-05-01), Endo

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