Reproduction circuit for skin color in video signals

Details Reproduction circuit for skin color in video signals Reproduction circuit for skin color in video signals

1995-04-12

1996-12-17

Lee, Micheal H.

Television

Image signal processing circuitry specific to television

Hue control

H04N 964

Patent

active

055858600

ABSTRACT:
A skin-color-area detector generates a skin-color-area signal from an input video signal. An average luminance level detector generates an average luminance level signal from a luminance signal. These signals are transmitted to a skin-color-corrector to generate skin-color-correction signals. At a saturation controller and at a luminance signal corrector which each receive the skin color corrections signals, skin-color is optimumly corrected. Thereby reproduction quality of skin-color signals in video signals is enhanced.

REFERENCES:
patent: 3729578 (1973-04-01), Slusarski
patent: 5381185 (1995-01-01), Ohki et al.
patent: 5384601 (1995-01-01), Yamashita et al.

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