Patent ID: 8384799
Filing Date: 2013-02-26
Classification: H04N

Abstract:
1. A color television camera comprising: a solid-state imaging unit which converts the light into electrical signals of a plurality of different colors, wherein the plurality of different colors includes green with a highest of sensitivities among the plurality of different colors; an amplifying unit which amplifies a plurality of color signals corresponding to the plurality of different colors output from the solid-state image sensor with a predetermined amplification factor; a separating unit which separates the plurality of color signals amplified by the amplifying unit into individual color signals; a white balance adjusting unit which subjects the separated individual color signals to white balance adjustment; a level detecting unit, which receives the separated individual color signals subjected to the white balance adjustment as input, and which detects whether the green signal subjected to the white balance adjustment reaches a saturation level of the green signal or not, the saturation level of the green signal depending on the amplification factor of the amplifying unit; a correction signal generating unit which when the level detecting unit detects the saturation of the green signal, generates a luminance signal YH based on the saturated level of the green signal and other color signals; a correction applying unit which outputs a corrected individual color signals obtained by respectively adding the luminance signal YH to the individual color signals subjected to the white balance adjustment, wherein, for an individual color signal larger than the saturation level of the green signal, the corrected individual color signal is replaced by a sum of the luminance signal YH and the saturation level of the green signal.