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Showing results 1-50 of 194 << Previous 1 2 3 4    Next >>

2019
1 Greiner, Thomas Larsen; Kolbjørnsen, Odd; Lie, Jan Erik; Harris Nilsen, Espen; Kjeldsrud Evensen, Andreas; Gelius, Leiv-J..
Cross-streamer wavefield interpolation using deep convolutional networks. I: SEG Technical Program Expanded Abstracts 2019. USA: SEG 2019 ISBN 0916160009.
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2 Hlebnikov, Volodya; Elboth, Thomas; Vinje, Vetle; Gelius, Leiv-J..
Onboard de-noise processing for improved towed marine seismic acquisition efficiency. I: SEG Technical Program Expanded Abstracts 2019. USA: SEG 2019 ISBN 0916160009.
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3 Losnedahl, Sander Wågønes.
Marine Vibrators: Synthetic Data Study. : UiO 2019 92 p.
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4 Losnedahl, Sander Wågønes; Orji, Okwudili Chuks; Gelius, Leiv-J.; Sollner, Walter.
Marine vibrator: Source wavefield modeling. I: SEG Technical Program Expanded Abstracts 2019. USA: SEG 2019 ISBN 0916160009.
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5 Slang, Sigmund.
Attenuation of Seismic Interference Noise with Convolutional Neural Networks. : UiO 2019 144 p.
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6 Slang, Sigmund; Sun, Jing; Elboth, Thomas; McDonald, Steven; Gelius, Leiv-J..
Using Convolutional Neural Networks for Denoising and Deblending of Marine Seismic Data. EAGE Expanded Abstracts 2019
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7 Sun, Jing; Slang, Sigmund; Elboth, Thomas; Greiner, Thomas Larsen; McDonald, Steven; Gelius, Leiv-J..
A convolutional neural network approach to deblending seismic data. Geophysics 2019
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8 Sun, Jing; Slang, Sigmund; Elboth, Thomas; Greiner, Thomas Larsen; McDonald, Steven; Gelius, Leiv-J..
Attenuation of marine seismic interference noise employing a customized U-Net. Geophysical Prospecting 2019
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9 Thorkildsen, Vemund Stenbekk.
Separation of diffractions by diffraction-stacking and Plane-Wave Destruction filtering. : UiO 2019 109 p.
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10 Waldeland, Anders U.; Coimbra, T.A.; Faccipieri, J. H.; Solberg, Anne H Schistad; Gelius, Leiv-J..
Fast estimation of prestack Common Reflection Surface parameters. Geophysical Prospecting 2019 ;Volume 67.(5) p. 1163-1183
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11 Zhao, Hao; Gelius, Leiv-J.; Tygel, Martin; Harris Nilsen, Espen; Kjelsrud Evensen, Andreas.
3D Prestack Fourier Mixed-Domain (FMD) depth migration for VTI media with large contrasts. Journal of Applied Geophysics 2019 ;Volume 168. p. 118-127
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2018
12 Coimbra, T.A.; Faccipieri, J. H.; Speglich, J.H.; Gelius, Leiv-J.; Tygel, M.
Enhancement of diffractions in prestack domain by means of a finite-offset double-square-root traveltime. Geophysics 2018 ;Volume 84.(1) p. V81-V96
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13 Gelius, Leiv-J..
Presentation of geophysical research activities at the University of Oslo. Invited presentation at Petrobras, Rio de Janeiro, Brazil; 2018-10-25 - 2018-10-26
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14 Grønhaug, Elise.
Investigate noise attenuation by slope-preserving filtering. : UiO 2018 88 p.
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15 Shantsev, Daniil; Babakhani, A.; Gelius, Leiv-J.; Nerland, E.A..
How Repeatable 4D CSEM Surveys Need To Be?. Marine Acquisition Workshop; 2018-08-22 - 2018-08-24
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16 Shantsev, Daniil; Nerland, E.A.; Babakhani, Amir; Gelius, Leiv-J..
Relaxed repeatability requirements for 4D marine CSEM: Inversion study.. I: SEG Technical Program Extended Abstract 2018. : SEGEAB 2018 ISBN 978-5-8670-8577-3. p. 934-938
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17 Turquais, Pierre; Asgedom, Endrias Getachew; Sollner, Walter; Gelius, Leiv-J..
Parabolic Dictionary Learning for Seismic Wavefield Reconstruction Across the Streamers. Geophysics 2018 ;Volume 83.(4) p. V263-V282
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18 Turquais, Pierre.
Dictionary learning and sparse representations for denoising and reconstruction of marine seismic data. : Unipub UiO 2018 145 p.
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19 Tømmerbakke, Ronny; Johansen, Tor Arne; Gelius, Leiv-J.; Ruud, Bent Ole.
Ensemble Empirical Mode Decomposition in X-T domain: A novel approach to improve data quality in seismic acquisition on sea-ice.. ARCEx Årskonferanse; 2018-10-09 - 2018-10-11
UiB UiO Untitled
 
20 Tømmerbakke, Ronny; Johansen, Tor Arne; Ruud, Bent Ole; Gelius, Leiv-J..
Flexural Wave Attenuation in X-T Domain by Complementary Ensemble Empirical Mode Decomposition.. AGU 2018 Fall Meeting; 2018-12-09 - 2018-12-14
UiB UiO Untitled
 
21 Waldeland, Anders U..
Seismic image analysis for applications related to iterative 3D velocity model building. : Unipub UiO 2018 128 p.
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22 Waldeland, Anders Ueland; Jensen, Are Charles; Gelius, Leiv-J.; Solberg, Anne H Schistad.
Convolutional neural networks for automated seismic interpretation. The Leading Edge 2018 ;Volume 37.(7) p. 529-537
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23 Waldeland, Anders Ueland; Zhao, Hao; Faccipieri, J. H.; Solberg, Anne H Schistad; Gelius, Leiv-J..
Fast and robust common-reflection-surface parameter estimation. Geophysics 2018 ;Volume 83.(1) p. O1-O13
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2017
24 Zhao, Hao; Gelius, Leiv-J.; Tygel, Martin.
Pre-stack Fourier Mixed-Domain (FMD) Depth Migration. Lofoten-seminaret i petroleumsgeofysikk; 2017-08-15 - 2017-08-18
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2016
25 Faccipieri, J. H.; Coimbra, T.A.; Gelius, Leiv-J.; Tygel, M..
Stacking apertures and estimation strategies for reflection and diffraction enhancement. Geophysics 2016 ;Volume 81.(4) p. V271-V282
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26 Gebregergs, Hagos G..
Compensation of absorption effects in seismic data. : UiO 2016 95 p.
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27 Ordonez, Alba; Sollner, Walter; Kluver, T.; Gelius, Leiv-J..
Subsurface reflectivity estimation from imaging of primaries and multiples using amplitude-normalized separated wavefields. Geophysics 2016 ;Volume 81.(3) p. S101-S117
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28 Ordonez, Alba.
Subsurface imaging using multiples from amplitude-normalized separated wavefields: Application to marine towed-streamer data. Oslo: Unipub, UiO 2016 121 p.
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29 Pedersen, H M; Gelius, Leiv-J.; Stamnes, J J.
Numerical and Physical Modeling of Diffractions. I: Seismic Difraction. : Society of Exploration Geophysicists (SEG) 2016 ISBN 9781560803171.
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2015
30 Babakhani, Amir.
Repeatabiliy and Detectability Requirements for 4D CSEM surveys. : UiO 2015 111 p.
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31 Chen, Wei-Ying; Xue, G.Q.; Muhammad, Younis Khan; Gelius, Leiv-J.; Zhou, Nan-Nan; Li, Hai; Zhong, Hua-Sen.
Application of Short-Offset TEM (SOTEM) Technique in Mapping Water-Enriched Zones of Coal Stratum, an Example from East China. Pure and Applied Geophysics 2015 ;Volume 172.(6) p. 1643-1651
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32 Gelius, Leiv-J.; Tygel, Martin.
Migration-velocity building in time and depth from 3D (2D) Common-Reflection-Surface (CRS) stacking - theoretical framework. Studia Geophysica et Geodaetica 2015 ;Volume 59.(2) p. 253-282
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33 Magnussen, Fredrik.
Deblending of seismic multi-component data. : UiO 2015 110 p.
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34 Xue, G.Q.; Li, X; Gelius, Leiv-J.; Qi, Z.; Zhou, N; Chen, W.
A New Apparent Resistivity Formula for In-loop Fast Sounding TEM - theory and applications. Journal of Environmental & Engineering Geophysics 2015 ;Volume 20.(2) p. 107-118
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35 Xue, G.Q.; Yan, S.; Gelius, Leiv-J.; Chen, W; Zhou, N; Hai, L..
Discovery of a major coal deposit in China with the use of a modified CSAMT method. Journal of Environmental & Engineering Geophysics 2015 ;Volume 20.(1) p. 47-56
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36 Zhao, Hao; Gelius, Leiv-J.; Tygel, Martin.
A New Generalized Screen Propagator for Wave Equation Depth Migration. EAGE Expanded Abstracts 2015
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37 Zhou, Nan-Nan; Xue, Guoqiang; Gelius, Leiv-J.; Wang, He Yuan; Yan, Shu.
Analysis of the near-source error in TEM due to the dipole hypothesis. Journal of Applied Geophysics 2015 ;Volume 116. p. 75-83
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2014
38 Faccipieri, J. H.; Coimbra, T.A.; Gelius, Leiv-J.; Tygel, M..
A CRS-based Heterogeneity Attribute. I: Workshop Proceedings. 76th EAGE Conference & Exhibition. European Association of Geoscientists and Engineers 2014 ISBN 978-90-73834-90-3. p. -
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39 Faccipieri, J. H.; Coimbra, T.A.; Tygel, M.; Gelius, Leiv-J..
Common-Reflection-Surface (CRS) Stacking with Diffraction Moveouts of Varying aperture. I: Workshop Proceedings. 76th EAGE Conference & Exhibition. European Association of Geoscientists and Engineers 2014 ISBN 978-90-73834-90-3. p. -
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40 Fetene, Deneke Admasu.
A noise model for shallow water North Sea. : UiO 2014 72 p.
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41 Gelius, Leiv-J..
High-resolution imaging of seismic data: how to combine wave-theory with signal processing techniques. I: 2014 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP). : IEEE 2014 ISBN 978-1-4799-2892-7.
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42 Gelius, Leiv-J.; Tygel, M.
On the use of smooth velocities in ray-based stacking and time-migration. I: Conference proceedings. 76th EAGE Conference & Exhibition. European Association of Geoscientists and Engineers 2014 ISBN 978-90-73834-89-7.
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43 Grendaite, Milda.
Identifying Seismic Interference Noise based on Local Dip Filtering. : UiO 2014 94 p.
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44 Haghighi, Elyas.
Characterizing Seismic Interference from Seismic Multi-component data. : UiO 2014 81 p.
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45 Ordonez, Alba; Sollner, Walter; Kluver, T.; Gelius, Leiv-J..
Migration of primaries and multiples using an imaging condition for amplitude-normalized separated wavefields. Geophysics 2014 ;Volume 79.(5) p. S217-S230
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46 Umar, Muhammad.
Separation and attenuation of diffractions and their multiples. : UiO 2014 90 p.
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47 Xue, Guoqiang; Gelius, Leiv-J.; Sakyi, Patrick Asamoah; Zhou, Nan-Nan; Chen, Wei-Ying; Su, B.C.; Li, Hai; Zhong, Hua-Sen; Su, Y.P..
Discovery of a hidden BIF deposit in Anhui province, China by integrated geological and geophysical investigations. Ore Geology Reviews 2014 ;Volume 63. p. 470-477
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2013
48 Asgedom, Endrias Getachew; Gelius, Leiv-J.; Tygel, Martin.
2D common-offset traveltime based diffraction enhancement and imaging. Geophysical Prospecting 2013 ;Volume 61.(6) p. 1178-1193
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49 Berthelot, Angélique; Solberg, Anne H Schistad; Gelius, Leiv-J..
Texture attributes for detection of salt. Journal of Applied Geophysics 2013 ;Volume 88. p. 52-69
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50 Faccipieri, J. H.; Gelius, Leiv-J.; Tygel, Martin.
Diffraction separation based on perturbed CRS attributes. 13th International Conference of the Brazilian Geophysical Society (SBGf); 2013-08-26 - 2013-08-29
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