Method and apparatus for processing component signals to preserv

Details Method and apparatus for processing component signals to preserv Method and apparatus for processing component signals to preserv

1989-12-26

1991-03-12

Groody, James J.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 31, H04N 964

Patent

active

049997025

ABSTRACT:
A video signal in component form is processed by generating two chroma component signals which have a selected bandwidth and are GAMMA corrected, generating a linear luminance component signal which has a greater bandwidth than the chroma component signals and is not GAMMA corrected, and GAMMA correcting the linear luminance component signal to provide a GAMMA-corrected luminance component signal having a greater bandwidth than the GAMMA-corrected chroma component signals.

REFERENCES:
patent: 1033413 (1966-06-01), Martinez
patent: 3272916 (1966-09-01), James et al.
Signal Processing for Compatible HDTV, Glenn et al, SMPTE Journal, Nov. 1989; pp. 812-816.
Experiments with an Enhanced-Quality NTSC--Compatible TV System, By Sugimori et al. SMPTE Journal, Dec. 1988 pp. 970-976.

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