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Viser treff 1-50 av 152 << Forrige 1 2 3 4    Neste >>

2023
1 Sanchis, Charlotte Juliette Semin; Kolbjørnsen, Odd.
Sampling-Free Bayesian Inference for Local Refinement in Linear Inversion Problems with a Latent Target Property. IEEE Transactions on Geoscience and Remote Sensing 2023 ;Volum 61. s. -
UiO NR Untitled
 
2022
2 Aasan, Marius; Ramírez Rivera, Adín; Kolbjørnsen, Odd; Solberg, Anne H Schistad.
An Information Metric for Partitions on Images using Lattice Theoretic Entropy. Visual Intelligence Days 2022; 2022-09-28 - 2022-09-29
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3 Kolbjørnsen, Odd; Sanchis, Charlotte Juliette.
Sample free inference for Bayesian inverse problems, a local approximation. CMStatistics 2022; 2022-12-17 - 2022-12-19
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2021
4 Greiner, Thomas Larsen; Lie, Jan Erik; Kolbjørnsen, Odd; Evensen, Andreas Kjelsrud; Nilsen, Espen Harris; Zhao, Hao; Demyanov, Vasily; Gelius, Leiv-J.
Unsupervised deep learning with higher-order total-variation regularization for multidimensional seismic data reconstruction. Geophysics 2021 ;Volum 87.(2) s. 59-73
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5 Grimstad, Bjarne Andre; Hotvedt, Mathilde; Sandnes, Anders Thoresen; Kolbjørnsen, Odd; Imsland, Lars Struen.
Bayesian neural networks for virtual flow metering: An empirical study. Applied Soft Computing 2021 ;Volum 112. s. -
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6 Sandnes, Anders Thoresen; Grimstad, Bjarne Andre; Kolbjørnsen, Odd.
Multi-task learning for virtual flow metering. Knowledge-Based Systems 2021 ;Volum 232. s. 1-10
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2020
7 Bugge, Aina Juell; Lie, Jan Erik; Evensen, Andreas Kjelsrud; Nilsen, Espen Harris; Kolbjørnsen, Odd; Faleide, Jan Inge.
Data-driven identification of stratigraphic units in 3D seismic data usin hierarchical density-based clustering. Geophysics 2020 ;Volum 85.(5) Suppl. s. IM15-IM26
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8 Greiner, Thomas Larsen; Hlebnikov, Volodya; Lie, Jan Erik; Kolbjørnsen, Odd; Kjeldsrud Evensen, Andreas; Harris Nilsen, Espen; Vinje, Vetle; Gelius, Leiv-J..
Cross-streamer wavefield reconstruction through wavelet domain. Geophysics 2020 ;Volum 85.(6) s. V457-V471
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9 Kolbjørnsen, Odd; Buland, Arild; Hauge, Ragnar; Røe, Per; Ndingwan, Abel Onana; Aker, Eyvind.
Bayesian seismic inversion for stratigraphic horizon, lithology, and fluid prediction. Geophysics 2020 ;Volum 85.(3) s. R207-R221
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2019
10 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. s. 2207-2211
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11 Greiner, Thomas Larsen; Kolbjørnsen, Odd; Lie, Jan Erik; Nilsen, Espen Harris; Evensen, Andreas Kjelsrud; Gelius, Leiv-J..
Cross-streamer wavefield interpolation using deep convolutional neural network. Annual Meeting 2019 - Society of Exploration Geophysicists; 2019-09-15 - 2019-09-20
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12 Kolbjørnsen, Odd; Dahle, Pål; Bjerke, Morten D.; Bakke, Beate A.; Straith, Knut Richard.
Using Deep Directional Resistivity for Model Selection and Uncertainty Reduction in the Edvard Grieg Depth Conversion. Petroleum Geostatistics 2019; 2019-09-02 - 2019-09-06
NR UiO Untitled
 
13 Kolbjørnsen, Odd; Evensen, Andreas Kjelsrud.
Digital superresolution in seismic amplitude processing. SEG annual conference 2019; 2019-09-15 - 2019-09-20
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14 Kolbjørnsen, Odd; Evensen, Andreas Kjelsrud.
Digital superresolution in seismic amplitude processing. SEG technical program expanded abstracts 2019
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15 Kolbjørnsen, Odd; Evensen, Andreas Kjelsrud; Nilsen, Espen Harris; Lie, Jan Erik.
Digital superresolution in seismic AVO inversion. The Leading Edge 2019 ;Volum 38.(10) s. 742-820
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16 Røe, Per; Kolbjørnsen, Odd; Hauge, Ragnar.
Comparison of one- and two-step seismic inversion for Lithology and Fluid prediction. PCube+ inversion workshop; 2019-01-24 - 2019-01-24
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2018
17 Ndingwan, Abel Onana; Kolbjørnsen, Odd; Straith, Knut Richard; Bjerke, Morten.
Deciphering the seismic signature of the Edvard Grieg field, North Sea. SEG annual conference; 2018-10-14 - 2018-10-19
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18 Ndingwan, Abel Onana; Kolbjørnsen, Odd; Straith, Knut Richard; Bjerke, Morten D..
Deciphering the seismic signature of the Edvard Grieg field, North Sea. SEG technical program expanded abstracts 2018
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2017
19 Kolbjørnsen, Odd; Ndingwan, Abel Onana; Straith, Knut Richard; Aker, Eyvind; Røe, Per.
Deciphering the seismic AVO response of the reservoir at Edvard Grieg. Practical Rock Physics and Inversion for Exploration and Production; 2017-10-17 - 2017-10-17
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20 Olsen, Håvard Goodwin; Kolbjørnsen, Odd.
From Volume to Value – a tool for decision support v 1.3. Documentation and user manual.. : Norsk Regnesentral 2017 22 s. NR-notat(SAND/03/2017)
NR UiO Untitled
 
21 Røe, Per; Kolbjørnsen, Odd.
Comparison of one- and two-step seismic inversion for lithology and fluid prediction. Practical Rock Physics and Inversion for Exploration and Production; 2017-10-17 - 2017-10-17
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22 Røe, Per; Kolbjørnsen, Odd.
Rock physics depth trends in PCube+ - Possible ways of integrating trends in PCube and PCube+. Oslo: Norsk Regnesentral 2017 11 s. NR-notat(SAND/14/2017)
NR Untitled
 
23 Vigsnes, Maria; Kolbjørnsen, Odd; Hauge, Vera Louise; Dahle, Pål; Abrahamsen, Petter.
Fast and Accurate Approximation to Kriging Using Common Data Neighborhoods. Mathematical Geosciences 2017 ;Volum 49.(5) s. 619-634
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2016
24 Jullum, Martin.
New focused approaches to topics within model selection and approximate Bayesian inversion. Oslo: Faculty of Mathematics and Natural Sciences, University of Oslo 2016 185 s.
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25 Jullum, Martin; Kolbjørnsen, Odd.
A Gaussian-based framework for local Bayesian inversion of geophysical data to rock properties. Geophysics 2016 ;Volum 81.(3) s. R75-R87
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26 Kolbjørnsen, Odd; Buland, Arild; Hauge, Ragnar; Røe, Per; Jullum, Martin; Metcalfe, Richard William; Skjæveland, Øyvind.
Bayesian AVO inversion to rock properties using a local neighborhood in a spatial prior model. The Leading Edge 2016 ;Volum 35.(5) s. 431-436
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27 Skjæveland, Øyvind M.; Metcalfe, Richard William; Kolbjørnsen, Odd; Røe, Per; Hauge, Ragnar.
Pcube+ - high-resolution horizon update by prestack inversion, a Statfjord case history. The Biennial Geophysical Seminar; 2016-03-14 - 2016-03-16
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2015
28 Hauge, Vera Louise; Kolbjørnsen, Odd.
Bayesian inversion of gravimetric data and assessment of CO2 dissolution in the Utsira Formation. Interpretation 2015 ;Volum 3.(2) s. SP1-SP10
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29 Jullum, Martin; Kolbjørnsen, Odd.
A Gaussian-based framework for local Bayesian inversion of geophysical data to rock properties. Geophysics 2015 ;Volum 81.(3) s. R75-R87
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30 Jullum, Martin; Kolbjørnsen, Odd.
An Approximate Bayesian Inversion Framework based on Local-gaussian Likelihoods. Petroleum Geostatistics; 2015-09-07 - 2015-09-11
NR UiO Untitled
 
31 Vigsnes, Maria; Abrahamsen, Petter; Hauge, Vera Louise; Kolbjørnsen, Odd.
Efficient Neighborhoods for Kriging with Numerous Data. Petroleum Geostatistics; 2015-09-07 - 2015-09-11
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2014
32 Hauge, Vera Louise; Kolbjørnsen, Odd.
Spatial Resolution in Bayesian Inversion of Gravimetric Data. 76th EAGE Conference & Exhibition; 2014-06-16 - 2014-06-19
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33 Hauge, Vera Louise; Kolbjørnsen, Odd.
Spatial Resolution in Bayesian Inversion of Gravimetric Data. I: Conference proceedings. 76th EAGE Conference & Exhibition. European Association of Geoscientists and Engineers 2014 ISBN 978-90-73834-89-7. s. -
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34 Kolbjørnsen, Odd; Ulvmoen, Marit.
4D inversion of seismic travel-times. : Norsk Regnesentral 2014 24 s. NR-notat(SAND/07/14)
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35 Olsen, Håvard Goodwin; Kolbjørnsen, Odd.
Modelling the H2S filters and SOx emissions at Kårstø Driftsmodell v2.0. : Norsk Regnesentral Oslo 2014 35 s. NR-notat(SAND/02/2014)
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2013
36 Dahle, Pål; Nesvold, Erik; Fjellvoll, Bjørn; Georgsen, Frode; Hauge, Ragnar; Kolbjørnsen, Odd; Syversveen, Anne Randi; Ulvmoen, Marit.
CRAVA User Manual version 2.0. : Norsk Regnesentral Oslo 2013 ;Volum 2013.144 s. NR-notat(SAND/07/2013)
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37 Georgsen, Frode; Myrseth, Inge; Kolbjørnsen, Odd.
Volume and Gas Quality Uncertainty Study for Gassco Transport Plan 2013. Oslo: Norsk Regnesentral 2013 21 s. NR-notat(SAND/09/2013)
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38 Hauge, Vera Louise; Kolbjørnsen, Odd.
Inversion of gravimetric data. Oslo: Norsk Regnesentral 2013 36 s. NR-notat(SAND/08/13)
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39 Kolbjørnsen, Odd; Stien, Marita; Kjønsberg, Heidi; Fjellvoll, Bjørn; Abrahamsen, Petter.
Using Multiple Grids in Markov Mesh Facies Modeling. Mathematical Geosciences 2013 ;Volum 46.(2) s. 205-225
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40 Kolbjørnsen, Odd; Ulvmoen, Marit; Hauge, Vera Louise; Hauge, Ragnar; Fjellvoll, Bjørn; Jensen, Erling Hugo; Johansen, Tor Arne; Dvorkin, Jack; Mavko, Gary; Furre, Anne-Kari; Johnston, David.
Monitoring Geological CO2 storage. CLIMIT SUMMIT 2013; 2013-02-25 - 2013-02-26
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41 Myrseth, Inge; Kolbjørnsen, Odd.
Monitoring the H2S filters and SOx emissions at Kårstø. : Norsk Regnesentral 2013 35 s. NR-notat(SAND/04/13)
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42 Ulvmoen, Marit; Kolbjørnsen, Odd.
Bayesian lithology/scenario-contact prediction from seismic data. Oslo: Norsk Regnesentral 2013 31 s. NR-notat(SAND/01/13)
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2012
43 Abrahamsen, Petter; Kolbjørnsen, Odd; Hauge, Ragnar.
Geostatistics Oslo 2012. Springer 2012 (ISBN 978-94-007-4152-2) 573 s. Quantitative Geology and Geostatistics(17)
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44 Buland, Arild; Kolbjørnsen, Odd.
Bayesian inversion of CSEM and magnetotelluric data. Geophysics 2012 ;Volum 77.(1) s. E33-E42
NR UIS Untitled
 
45 Dahle, Pål; Fjellvoll, Bjørn; Georgsen, Frode; Hauge, Ragnar; Kolbjørnsen, Odd; Syversveen, Anne Randi; Ulvmoen, Marit.
CRAVA User Manual version 1.1. Oslo: Norsk Regnesentral 2012 92 s. NR-notat(SAND/02/2012)
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46 Dahle, Pål; Fjellvoll, Bjørn; Georgsen, Frode; Hauge, Ragnar; Kolbjørnsen, Odd; Syversveen, Anne Randi; Ulvmoen, Marit.
CRAVA User Manual version 1.2. Oslo: Norsk Regnesentral 2012 93 s. NR-notat(SAND/05/2012)
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47 Hammer, Hugo Lewi; Kolbjørnsen, Odd; Tjelmeland, Håkon; Buland, Arild.
Lithology and fluid prediction from prestack seismic data using a Bayesian model with Markov process prior. Geophysical Prospecting 2012 ;Volum 60.(3) s. 500-515
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48 Kolbjørnsen, Odd.
Interpretation of saturation and porosity from inverted 4D seismic parameters. Oslo: Norsk Regnesentral 2012 11 s. NR-notat(SAND/03/12)
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49 Kolbjørnsen, Odd.
Using 3D inversion schemes to solve 4D inverse problems. : Norsk Regnesentral 2012 9 s. NR-notat(SAND/04/12)
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50 Kolbjørnsen, Odd; Hauge, Ragnar; Drange-Espeland, Maren; Buland, Arild.
Model-based fluid factor for controlled source electromagnetic data. Geophysics 2012 ;Volum 77.(1) s. E21-E31
NR UIS Untitled
 
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