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Seismic trace noise removal by smoothed SureShrink

REGIS NUNES VARGAS ANTÔNIO CLÁUDIO PASCIOARELLI VEIGA
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Faculty of Electrical Engineering, Federal University of Uberlândia, Uberlândia, MG, Brazil,
JSE 2020, 29(4), 363–370;
Submitted: 27 September 2018 | Accepted: 20 April 2020 | Published: 1 August 2020
© 2020 by the Authors. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution -Noncommercial 4.0 International License (CC-by the license) ( https://creativecommons.org/licenses/by-nc/4.0/ )
Abstract

Vargas, R.N. and Veiga, A.C.P., 2020. Seismic trace noise removal by smoothed SureShrink. Journal of Seismic Exploration, 29: 363-370. Seismic traces are usually corrupted by Additive White Gaussian Noise (AWGN). AWGN hinders the evaluation of seismic attributes and can lead to distortions during seismic interpretation. Therefore, the development of methods that can effectively remove the noise and extract the signal from the seismic trace is critical. Here we propose a new seismic trace noise removal method called SureShrinkWin, which evaluates the estimates obtained by the SureShrink method when SureShrink is applied in signal windows. To validate the efficacy of the SureShrinkWin method, we performed a Monte Carlo Simulation that considered sixteen seismic traces that were obtained from the astsa R package.

Keywords
wavelets
Monte Carlo simulation
SureShrink
seismic trace
denoising
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Journal of Seismic Exploration, Electronic ISSN: 0963-0651 Print ISSN: 0963-0651, Published by AccScience Publishing