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Proceedings Papers

Effects of dimensionality of transform domain on multiple stages source separation with prior

Rajiv Kumar, Yousif Izzeldin Kamil Amin, Araz Mahdad, Phillip Bilsby, Anu Narayan, Wouter Gerrit Brouwer, Amr Misbah, Massimiliano Vassallo
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3584184
DOI: https://doi.org/10.1190/segam2021-3584184.1
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Robust multistage separation of simultaneous sources using priors: Challenges and strategies

Yousif Izzeldin Kamil Amin, Rajiv Kumar, Araz Mahdad, Phillip Bilsby, Anu Narayan, Wouter Gerrit Brouwer, Amr Misbah, Massimiliano Vassallo
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3583879
DOI: https://doi.org/10.1190/segam2021-3583879.1
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Enabling uncertainty quantification for seismic data preprocessing using normalizing flows (NF) — An interpolation example

Rajiv Kumar, Maria Kotsi, Ali Siahkoohi, Alison Malcolm
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3583705
DOI: https://doi.org/10.1190/segam2021-3583705.1
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Dense ocean-bottom node interpolation using priors derived from reciprocity

Rajiv Kumar, Yousif Izzeldin Kamil Amin, Sonika Sonika, Massimiliano Vassallo, Nihed El Allouche
Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3426844
DOI: https://doi.org/10.1190/segam2020-3426844.1
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Deep-learning based ocean bottom seismic wavefield recovery

Ali Siahkoohi, Rajiv Kumar, Felix J. Herrmann
Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3216632
DOI: https://doi.org/10.1190/segam2019-3216632.1
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Low-rank representation of subsurface extended image volumes with power iterations

Mengmeng Yang, Marie Graff, Rajiv Kumar, Felix J. Herrmann
Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3215961
DOI: https://doi.org/10.1190/segam2019-3215961.1
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Adaptive subtraction using 3D curvelets: A linear optimisation framework

Amarjeet Kumar, Rajiv Kumar, Gary Hampson, Mike Hartley, Troy Thompson
Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3216021
DOI: https://doi.org/10.1190/segam2019-3216021.1
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Deep-convolutional neural networks in prestack seismic: Two exploratory examples

Ali Siahkoohi, Mathias Louboutin, Rajiv Kumar, Felix J. Herrmann
Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2998599
DOI: https://doi.org/10.1190/segam2018-2998599.1
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Removing density effects in LS-RTM with low-rank matched filter

Mengmeng Yang, Rajiv Kumar, Rongrong Wang, Felix J. Herrmann
Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2997814
DOI: https://doi.org/10.1190/segam2018-2997814.1
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A debiasing approach to microseismic

Shashin Sharan, Rajiv Kumar, Rongrong Wang, Felix J. Herrmann
Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2997252
DOI: https://doi.org/10.1190/segam2018-2997252.1
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Full-waveform inversion with Mumford-Shah regularization

Ajinkya Kadu, Rajiv Kumar, Tristan van Leeuwen
Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2997224
DOI: https://doi.org/10.1190/segam2018-2997224.1
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Compressive sensing based design for land and OBS surveys: The noise issue

Nick Moldoveanu, Philip Bilsby, John Quigley, Rajiv Kumar, Felix Herrmann
Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2997759
DOI: https://doi.org/10.1190/segam2018-2997759.1
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Seismic waveform inversion using decomposed one-way wavefields

Ali M. Alfaraj, Rajiv Kumar, Felix J. Herrmann
Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2998162
DOI: https://doi.org/10.1190/segam2018-2998162.1
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Low-rank representation of extended image volumes: Applications to imaging and velocity continuation

Rajiv Kumar, Marie Graff-Kray, Tristan van Leeuwen, Felix J. Herrmann
Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2998404
DOI: https://doi.org/10.1190/segam2018-2998404.1
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Reconstruction of S-waves from low-cost randomized and simultaneous acquisition by joint sparse inversion

Ali M. Alfaraj, Felix Herrmann, Rajiv Kumar
Paper presented at the 2017 SEG International Exposition and Annual Meeting, September 24–29, 2017
Paper Number: SEG-2017-17681376
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Massive 3D seismic data compression and inversion with hierarchical Tucker

Yiming Zhang, Curt Da Silva, Rajiv Kumar, Felix Herrmann
Paper presented at the 2017 SEG International Exposition and Annual Meeting, September 24–29, 2017
Paper Number: SEG-2017-17742951
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Time-jittered marine acquisition: A rank-minimization approach for 5D source separation

Rajiv Kumar, Shashin Sharan, Haneet Wason, Felix Herrmann
Paper presented at the 2016 SEG International Exposition and Annual Meeting, October 16–21, 2016
Paper Number: SEG-2016-13878249
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Source separation via SVD-free rank minimization in the hierarchical semi-separable representation

Haneet Wason, Rajiv Kumar, Aleksandr Y. Aravkin, Felix J. Herrmann
Paper presented at the 2014 SEG Annual Meeting, October 26–31, 2014
Paper Number: SEG-2014-1583
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Reconstruction of Seismic Wavefields via Low-Rank Matrix Factorization in the Hierarchical-Separable Matrix Representation

Rajiv Kumar, Hassan Mansour, Aleksandr Y. Aravkin, Felix J. Herrmann
Paper presented at the 2013 SEG Annual Meeting, September 22–27, 2013
Paper Number: SEG-2013-1165
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AVA Analysis and Geological Dip Estimation via Two-Way Wave-Equation Based Extended Images

Rajiv Kumar, Tristan van Leeuwen, Felix J. Herrmann
Paper presented at the 2013 SEG Annual Meeting, September 22–27, 2013
Paper Number: SEG-2013-1348
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