System for coding information change picture elements in facsimi

Details System for coding information change picture elements in facsimi System for coding information change picture elements in facsimi

1975-09-08

1977-08-02

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Recording apparatus

H04N 140, H04N 712

Patent

active

040400930

ABSTRACT:
A system for coding information change picture elements in a facsimile signal, which is employed for coding the address of each information change picture element assuming information different from that of an immediately preceding picture element on each scanning line. A distance between the information change picture element and a final reference information change picture element selected from the information change picture elements of an immediately preceding scanning line and, if necessary, said scanning line is encoded in a manner to minimize the number of bits of each code word.

REFERENCES:
patent: 3813485 (1974-05-01), Arps
patent: 3825832 (1974-07-01), Frei
patent: 3937871 (1976-02-01), Robinson
patent: 3950609 (1976-04-01), Tanaka
patent: 3956580 (1976-05-01), Murayama

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