Demosaicking: color filter array interpolation

  title={Demosaicking: color filter array interpolation},
  author={B. K. Gunturk and Jason P. Glotzbach and Y{\"u}cel Altunbasak and R. W. Schafer and R. M. Mersereau},
  journal={IEEE Signal Processing Magazine},
The author begins by discussing the image formation process. The demosaicking methods are examined in three groups: the first group consists of heuristic approaches. The second group formulates demosaicking as a restoration problem. The third group is a generalization that uses the spectral filtering model given in Wandell. 
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