Image analysis by Krawtchouk moments

@article{Yap2003ImageAB,
  title={Image analysis by Krawtchouk moments},
  author={Pew-Thian Yap and Raveendran Paramesran and Seng-Huat Ong},
  journal={IEEE transactions on image processing : a publication of the IEEE Signal Processing Society},
  year={2003},
  volume={12 11},
  pages={1367-77}
}
In this paper, a new set of orthogonal moments based on the discrete classical Krawtchouk polynomials is introduced. The Krawtchouk polynomials are scaled to ensure numerical stability, thus creating a set of weighted Krawtchouk polynomials. The set of proposed Krawtchouk moments is then derived from the weighted Krawtchouk polynomials. The orthogonality of the proposed moments ensures minimal information redundancy. No numerical approximation is involved in deriving the moments, since the… CONTINUE READING
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