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• W1526885722 startingPage "47" @default.
• W1526885722 abstract "From the inverse problem theory aspect, deconvolution can be understood as the linear inversion of an ill-posed and ill-conditioned problem. The ill-conditioned property of the deconvolution operator make the solution of inverse problem sensitive to errors in the data.  Tikhonov regularization is the most commonly used method for stability and uniqueness of the solution. However, results from Tikhonov method do not provide sufficient quality when the noise in the data is strong. This work uses the conjugate gradient method applied to the Tikhonov deconvolution scheme, including a regularization parameter calculated iteratively and based on the improvement criterion of Morozov discrepancy applied on the objective function. Using seismic synthetic data and real stacked seismic data, we carried out a deconvolution process with regularization and without regularization based on a conjugated gradient algorithm. A comparison of results is also presented. Applying regularized deconvolution on synthetic data shows improved stability on the solution. Additionally, real post-stack seismic data shows a direct application for increasing the vertical resolution even with noisy data." @default.
• W1526885722 created "2016-06-24" @default.
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• W1526885722 date "2013-12-01" @default.
• W1526885722 modified "2023-09-27" @default.
• W1526885722 title "A proposal for regularized inversion for an ill-conditioned deconvolution operator" @default.
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• W1526885722 doi "https://doi.org/10.29047/01225383.47" @default.
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