Television – Image signal processing circuitry specific to television – Hue control
Patent
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.
Lee Micheal H.
Matsushita Electric - Industrial Co., Ltd.
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