Method for coding addresses of information change picture elemen

Details Method for coding addresses of information change picture elemen Method for coding addresses of information change picture elemen

1976-11-10

1980-07-08

Martin, John C.

Facsimile and static presentation processing

Facsimile

Recording apparatus

H04N 140, H04N 712

Patent

active

042120365

ABSTRACT:
A method for coding addresses of information change picture elements each having information different from that of the immediately preceding picture element in a facsimile signal obtained by successively scanning an original picture, in which the information change picture elements are classified into deviation change points each having a high correlation to a final reference change point selected from coded information change picture elements, and new change points each having substantially no correlation to the final reference change point. The deviation change points are coded to indicate the direction and length of each deviation thereof from the corresponding final reference change point. The new change points are coded to indicate each distance thereto from the immediately preceding information change picture element.

REFERENCES:
patent: 3801737 (1974-04-01), Komura et al.
patent: 3916095 (1975-10-01), Weber et al.
patent: 3927251 (1975-12-01), White et al.
patent: 3991267 (1976-11-01), Beaudette
patent: 4040093 (1977-08-01), Nakagome et al.
patent: 4117517 (1978-09-01), Shintani et al.

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