2021
DOI: 10.1190/geo2019-0746.1
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Convolutional sparse coding for noise attenuation in seismic data

Abstract: We propose convolutional sparse coding (CSC) to attenuate noise in seismic data. CSC gives a data-driven set of basis functions whose coefficients form a sparse distribution. The noise attenuation method by CSC can be divided into the training and denoising phases. Seismic data with a relatively high signal-to-noise ratio are chosen for training to get the learned basis functions. Then, we use all (or a subset) of the basis functions to attenuate the random or coherent noise in the seismic data. Numerical expe… Show more

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Cited by 12 publications
(1 citation statement)
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“…A variety of methods have been proposed for attenuating or removing random noise in order to enhance the signal-to-noise ratio (SNR) [ 4 8 ]. The transform-based methods, such as Fourier transform [ 9 ], wavelet transform [ 10 ], curvelet transform [ 11 ], and seislet transform [ 12 ], assume that the input signal has sparse representation with predetermined base, and under the predetermined base, noise and clean signal can be separated in the transform domain [ 7 , 13 – 15 ].…”
Section: Introductionmentioning
confidence: 99%
“…A variety of methods have been proposed for attenuating or removing random noise in order to enhance the signal-to-noise ratio (SNR) [ 4 8 ]. The transform-based methods, such as Fourier transform [ 9 ], wavelet transform [ 10 ], curvelet transform [ 11 ], and seislet transform [ 12 ], assume that the input signal has sparse representation with predetermined base, and under the predetermined base, noise and clean signal can be separated in the transform domain [ 7 , 13 – 15 ].…”
Section: Introductionmentioning
confidence: 99%