Digital color images from single chip digital cameras are obtained by interpolating a color filter array (CFA). In the figure below light goes through the lens and hits the image sensor plane containing the CFA.
Results
Here is a comparison of DMMD Demosaicing against other methods. Each image was sampled using the Bayer Array and then reconstructed. From left to right the images are:
- Original Image
- Linear Interpolation
- Ron Kimmel. Demosaicing: Image reconstruction from color ccd samples. IEEE Trans. Image Processing, 8:1221-1228, 1999.
- DMMD Demosaicing
Lighthouse
Lighthouse, from left to right: Original, Linear, Kimmel, DMMD
Sails
Sails, from left to right: Original, Linear, Kimmel, DMMD
House 
House, from left to right: Original, Linear, Kimmel, DMMD