An imaging system, comprising: an image sensor having an array of image sensor pixels, wherein the array of image sensor pixels includes red image sensor pixels configured to generate red image signals in response to red light, blue image sensor pixels configured to generate blue image signals in response to blue light, and clear image sensor pixels configured to generate white image signals in response to at least red light, green light and blue light; and processing circuitry configured to perform demosaicking (110, 118) of the red image signals for producing red image data, of the blue image signals for producing blue image data, and of the white image signals for producing white image data, subtract from the demosaiced red image data white image data for generating differential red image data and subtract from the demosaiced blue image data white image data for generating differential blue image data, perform chroma filtering operations on the differential red image data, and on the differential blue image data, add the white image data on the filtered differential red image data for generating filtered red data and add the white image data on the filtered differential blue image data for generating filtered blue data to increase the noise correlations amongst the red, blue, and white data, and apply a color correction matrix to the white image data, the filtered red data and the filtered blue data wherein the color correction matrix is configured to extract green image data from the white image data. an image sensor having an array of image sensor pixels, wherein the array of image sensor pixels includes red image sensor pixels configured to generate red image signals in response to red light, blue image sensor pixels configured to generate blue image signals in response to blue light, and clear image sensor pixels configured to generate white image signals in response to at least red light, green light and blue light; and processing circuitry configured to perform demosaicking (110, 118) of the red image signals for producing red image data, of the blue image signals for producing blue image data, and of the white image signals for producing white image data, subtract from the demosaiced red image data white image data for generating differential red image data and subtract from the demosaiced blue image data white image data for generating differential blue image data, perform chroma filtering operations on the differential red image data, and on the differential blue image data, add the white image data on the filtered differential red image data for generating filtered red data and add the white image data on the filtered differential blue image data for generating filtered blue data to increase the noise correlations amongst the red, blue, and white data, and apply a color correction matrix to the white image data, the filtered red data and the filtered blue data wherein the color correction matrix is configured to extract green image data from the white image data. perform demosaicking (110, 118) of the red image signals for producing red image data, of the blue image signals for producing blue image data, and of the white image signals for producing white image data, subtract from the demosaiced red image data white image data for generating differential red image data and subtract from the demosaiced blue image data white image data for generating differential blue image data, perform chroma filtering operations on the differential red image data, and on the differential blue image data, add the white image data on the filtered differential red image data for generating filtered red data and add the white image data on the filtered differential blue image data for generating filtered blue data to increase the noise correlations amongst the red, blue, and white data, and apply a color correction matrix to the white image data, the filtered red data and the filtered blue data wherein the color correction matrix is configured to extract green image data from the white image data.