A color interpolation method uses a first interpolation function (F1) to obtain a first missing color sub-pixel value for a pixel of interest and uses a second interpolation function (F2) to obtain a second missing color sub-pixel value for the pixel of interest. First metric (V) indicative of an edge...http://www.google.com/patents/US7576783?utm_source=gb-gplus-sharePatent US7576783 - Confidence based weighting for color interpolation