Digital encoding of color video signals

Details Digital encoding of color video signals Digital encoding of color video signals

1977-08-19

1979-02-20

Griffin, Robert L.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358135, 325 38B, H04N 932, H04N 712, H04B 700

Patent

active

041410343

ABSTRACT:
For a given transmission bit rate, the efficiency of encoding the color components of a color video signal is increased by utilizing information obtained from the luminance component to optimize color component encoding. Specifically, several predictions of the present luminance sample are formed using various individual values or combinations of previous luminance information. Each prediction is evaluated, and the best prediction technique is used to predict the present color sample, based upon previous color component information. Decoding in a remote receiver is accomplished similarly, by utilizing the luminance signal as a source for color component prediction information.

REFERENCES:
patent: 3773971 (1973-11-01), Sainte-Bouve
patent: 3803348 (1974-04-01), Limb et al.
patent: 3860953 (1975-01-01), Cutler et al.
patent: 3984626 (1976-10-01), Mounts et al.
patent: 4023199 (1977-05-01), Netravali et al.

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