Patent ID: 7477304

Claim:
An imaging device comprising: a plurality of imager pixel cells for capturing an image, each cell comprising a photosensor and generating a pixel signal based on light from one of a transparent filter, a red filter, or a blue filter; a color filter array formed over the plurality of cells, said array comprising alternating rows of a first and second type, wherein the first type of rows comprises said transparent and red color filters respectively formed over the cells and the second type of rows comprises said transparent and blue color filters respectively formed over the cells; and a processor for adjusting a color contrast of the image based on a readout of the cells formed under the transparent filters, said processor configured to generate an interpolated signal for each cell based on its respective pixel signal and said pixel signals of its neighboring cells, perform a lens dependent matrix transformation of each interpolated signal, each of said transformed signals having a luminance component determined from at least one of said pixel signals based on light from at least one of said transparent filters; and individually modify, for each of said transformed signals, a preset color contrast adjustment based on said respective luminance component.