Television signal coder

Details Television signal coder Television signal coder

1977-12-28

1980-05-06

Safourek, Benedict V.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

375 28, H04N 712

Patent

active

042020115

ABSTRACT:
A television signal coder of the type which makes use of correlations to compress the amount of information transmitted. n fields are selected for every m fields (m, n being positive integers; m>n), and a predicted signal level for each picture element in the n fields is represented by an interpolated value of the respective spatially corresponding picture elements in the preceding and succeeding fields. The prediction error which is the difference between the interpolated value and each corresponding picture element is coded and transmitted. The signal for the remaining (m-n) fields are coded and transmitted according to conventional coding systems.

REFERENCES:
patent: 2921124 (1960-01-01), Graham
J. C. Candy et al., "Transmitting Television as Clusters of Frame-to-Frame Difference", Bell System Tech. Journal, vol. 50, No. 6, 7-8/71.

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