1. An apparatus, comprising: an input module configured to receive mosaic image data representing an image, wherein the mosaic image data includes radial distortion; and a color synthesis module, implemented in digital electronic circuitry, the color synthesis module including a radial distortion correction module configured to i) receive the mosaic image data, and ii) generate correction data to correct the radial distortion in the mosaic image data, and a synthesis module configured to i) receive the mosaic image data and the correction data, wherein the mosaic image data includes a plurality of input pixel values and respective input pixel locations prior to being corrected, and ii) generate demosaiced image data using (a) the mosaic image data and (b) the correction data.