Patent ID: 8698918
Filing Date: 2014-04-15
Classification: H04N

Abstract:
1. A method for automatic white balancing in an imaging device, the method comprising: accessing image data corresponding to a captured scene, said image data comprising a plurality of pixels, said plurality of pixels comprising a plurality of color values corresponding to a plurality of color channels; plotting said plurality of pixels in a color space comprising a plurality axes corresponding to said plurality of color channels; calculating an average color value for said plurality of pixels; projecting, in said color space, said average color value to a plot of common illuminants; deriving, on said plot of common illuminants, a set of balanced color values comprising a plurality of color values corresponding to a closest approximation on said plot of common illuminants to said average color value; and adjusting said plurality of color values of said plurality of pixels by said set of balanced color values to arrive at a plurality of adjusted pixels, wherein said plot of common illuminants comprises a plot of common illuminants specifically corresponding to an attribute of said captured scene.