On the estimation of the coefficient of variation for anisotropic diffusion speckle filtering

@article{AjaFernndez2006OnTE,
  title={On the estimation of the coefficient of variation for anisotropic diffusion speckle filtering},
  author={Santiago Aja-Fern{\'a}ndez and Carlos Alberola-L{\'o}pez},
  journal={IEEE Transactions on Image Processing},
  year={2006},
  volume={15},
  pages={2694-2701}
}
In this paper, we focus on the problem of speckle removal by means of anisotropic diffusion and, specifically, on the importance of the correct estimation of the statistics involved. First, we derive an anisotropic diffusion filter that does not depend on a linear approximation of the speckle model assumed, which is the case of a previously reported filter, namely, SRAD. Then, we focus on the problem of estimation of the coefficient of variation of both signal and noise and of noise itself. Our… CONTINUE READING
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