Picture image information band compression and transmission syst

Details Picture image information band compression and transmission syst Picture image information band compression and transmission syst

1975-12-22

1978-01-24

Griffin, Robert L.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358138, 358260, 358261, H04N 712

Patent

active

040706940

ABSTRACT:
A picture image information band compression and transmission process includes the steps of providing one set of three scanning lines making information of the first scanning line of each one set as an estimation scanning line, estimating a picture element to be estimated by four consecutive picture elements, preparing estimated picture image informations, and translating the estimation reference scanning line and two estimated picture image information into run length codes and into mode codes, respectively, and compressing and transmitting the run length codes.

REFERENCES:
patent: 4028731 (1977-06-01), Arps et al.

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