Search Results - "da Costa, Carlos A N"

An objective function for full-waveform inversion based on frequency-dependent offset-preconditioning by da Silva, Sérgio Luiz E F, Carvalho, Pedro T C, da Costa, Carlos A N, de Araújo, João M, Corso, Gilberto

“…Full-waveform inversion (FWI) is a powerful technique to obtain high-resolution subsurface models, from seismic data. However, FWI is an ill-posed problem,…”
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Adding Prior Information in FWI through Relative Entropy by Cruz, Danilo Santos, de Araújo, João M., da Costa, Carlos A. N., da Silva, Carlos C. N.

“…Full waveform inversion is an advantageous technique for obtaining high-resolution subsurface information. In the petroleum industry, mainly in reservoir…”
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Target‐level waveform inversion: a prospective application of the convolution‐type representation for the acoustic wavefield by da Costa, Carlos A.N., Costa, Jessé C., Medeiros, Walter E., Verschuur, D.J., Soni, Alok K.

“…ABSTRACT Nowadays, full‐waveform inversion, based on fitting the measured surface data with modelled data, has become the preferred approach to recover…”
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Seismic shot-encoding schemes for waveform inversion by Duarte, Edwin Fagua, da Costa, Carlos A N, de Araújo, João M, Wang, Yanghua, Rao, Ying

“…Abstract A shot-encoding technique can be used in seismic waveform inversion to significantly reduce the computational cost by reducing the number of seismic…”
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Hyperparameter determination for GAN-based seismic interpolator with variable neighborhood search by Pinheiro, Daniel N., Gonzalez, Jaime C., Corso, Gilberto, Gebre, Mesay Geletu, da Costa, Carlos A.N., Xavier-de-Souza, Samuel, Barros, Tiago

“…We propose an automatic global search algorithm based on the Variable Neighborhood Search (VNS) metaheuristic for tuning the hyperparameters of a generative…”
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Seismic trace interpolation based on the principle of reciprocity using a conditional Generative Adversarial Network (cGAN) by Collazos, Jaime A, Rincon, Katerine, Pinheiro, Daniel N, Gebre, Mesay Geletu, da Costa, Carlos A N, Corso, Gilberto, Barros, Tiago, de Araújo, Joao Medeiros, Wang, Yanghua

“…Seismic trace interpolation is a common step in data processing used to fill in missing traces and regularize acquisition grids. In the ocean bottom node (OBN)…”
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Robust full-waveform inversion using q-statistics by da Silva, Sérgio Luiz Eduardo Ferreira, da Costa, Carlos A.N., Carvalho, Pedro Tiago C., de Araújo, João Medeiros, dos Santos Lucena, Liacir, Corso, Gilberto

“…Imaging of the subsurface is central in seismic exploration and a topic of great economic interest. A promising technique for seismic imaging is a…”
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