Evaluation of noise removal in signals by LULU operators

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Authors

Fabris-Rotelli, Inger Nicolette
Van Oldenmark, K.
Van Staden, Paul Jacobus

Journal Title

Journal ISSN

Volume Title

Publisher

South African Statistical Association

Abstract

The LULU smoothers are effective nonlinear smoothers for signals. We investigate their ability to remove different noise types, namely symmetrical and skewed, as well as heavy- and light-tailed, thereby uncovering the true underlying signal. These smoothers prove very effective in removing noise originating from the same distribution as that noise which originally contaminated the signal.

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Keywords

LULU operators, Nonlinear smoothers for signals, Noise removal

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Citation

Fabris-Rotelli, IN, Van Oldenmark, K & Van Staden, PJ 2010, 'Evaluation of noise removal in signals by LULU operators', South African Statistical Journal, no. 1, pp. 44-51.