Journal
IEEE TRANSACTIONS ON SIGNAL PROCESSING
Volume 49, Issue 12, Pages 3045-3054Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/78.969512
Keywords
alpha-stable noise; asymptotic analysis; nonlinear filtering; robust estimation
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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 epsilon -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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