Adaptive reconstruction of the color channels of a color TV sign

Details Adaptive reconstruction of the color channels of a color TV sign Adaptive reconstruction of the color channels of a color TV sign

1981-06-29

1983-11-22

Murray, Richard

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 13, 358133, 358138, 375 31, 375 33, H04N 932

Patent

active

044172699

ABSTRACT:
An encoding apparatus samples the luminance component of a video signal at a rate sufficient to avoid aliasing. Wide band chroma components are sampled at one half this rate so that aliasing occurs. A decoder determines the direction of least resolution of each sample of the luminance signal and averages the chroma signals in this direction for each sample to eliminate aliases.

REFERENCES:
patent: 4051516 (1977-09-01), Weston
patent: 4065784 (1977-12-01), Rossi

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