Patent ID: 8436909

Claim:
A method of generating an RGB image of pixels of a scene to be captured, comprising: generating by an image capture device four monochromatic images of said scene, the monochromatic images including a red image, a blue image, a first green image, and a second green image shifted vertically and horizontally from the first green image; generating enhanced red, blue, first green, and second green images by enhancing by two the resolution of all said red, blue, first green, and second green images; obtaining a final green image by combining the enhanced second green image with the enhanced first green image; calculating respective high frequency blue and red images using said final green image; generating corresponding final blue and red images by adding the high frequency blue image to the enhanced blue image and adding the high frequency red image to the enhanced red image; and generating a output RGB image by combining said final green, red and blue images.