Image denoising: a nonlinear robust statistical approach

  title={Image denoising: a nonlinear robust statistical approach},
  author={A. Ben Hamza and Hamid Krim},
  journal={IEEE Trans. Signal Processing},
Nonlinear filtering techniques based on the theory of robust estimation are introduced. Some deterministic and asymptotic properties are derived. The proposed denoising methods are optimal over the Huber -contaminated normal neighborhood and are highly resistant to outliers. Experimental results showing a much improved performance of the proposed filters in the presence of Gaussian and heavy-tailed noise are analyzed and illustrated. 
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