Selective removal of impulse noise based on homogeneity level information

@article{Pok2003SelectiveRO,
  title={Selective removal of impulse noise based on homogeneity level information},
  author={Gouchol Pok and Jyh-Charn S. Liu and Attoor Sanju Nair},
  journal={IEEE transactions on image processing : a publication of the IEEE Signal Processing Society},
  year={2003},
  volume={12 1},
  pages={
          85-92
        }
}
In this paper, we propose a decision-based, signal-adaptive median filtering algorithm for removal of impulse noise. Our algorithm achieves accurate noise detection and high SNR measures without smearing the fine details and edges in the image. The notion of homogeneity level is defined for pixel values based on their global and local statistical properties. The cooccurrence matrix technique is used to represent the correlations between a pixel and its neighbors, and to derive the upper and… 
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