Gamma correcting processing of video signals

Details Gamma correcting processing of video signals Gamma correcting processing of video signals

1993-12-16

1995-03-14

Groody, James J.

Television

Image signal processing circuitry specific to television

Gray scale transformation

348675, H04N 5202

Patent

active

053980760

ABSTRACT:
The present invention relates to a method of processing video signals comprised of gamma correcting pixel data of a first signal, gamma correcting pixel data of a second signal, adding the gamma corrected first and second signals to form a sum signal, dividing the sum signal by a factor to form a processed signal, and reverse gamma correcting the processed signal, whereby merged pixel data is produced for generation of a display.

REFERENCES:
patent: 3752905 (1973-08-01), Schneider
patent: 4783703 (1988-11-01), Murakoshi et al.
patent: 5012163 (1991-04-01), Alcorn et al.
patent: 5057919 (1991-10-01), de Haan et al.
patent: 5132796 (1992-07-01), Topper et al.
patent: 5175621 (1992-12-01), Maesato
patent: 5196924 (1993-03-01), Lumelsky et al.

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