Coding method for multilevel-gradated picture signal

Details Coding method for multilevel-gradated picture signal Coding method for multilevel-gradated picture signal

1982-12-13

1985-04-16

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358260, H04N 100

Patent

active

045112134

ABSTRACT:
A coding method for a multilevel-gradated picture signal is disclosed, in that a series of binary codes obtained by processing a multilevel-gradated original picture signal for binary representation are segmented every predetermined number n of picture elements on each scanning line to form blocks, respectively capable of assuming value "0" to "2n-1"; and the value of a block having changed its value and its position on the scanning line are encoded so as to be reproduced on the reproducing side.

REFERENCES:
patent: 3967052 (1976-06-01), Judice
patent: 4245257 (1981-01-01), Yamazaki et al.
patent: 4258392 (1981-03-01), Yamazaki et al.
patent: 4420771 (1983-12-01), Pirsch

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