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2020
1 Jakobsen, Morten; Psencik, Ivan; Iversen, Einar; Ursin, Bjørn.
Transition operator approach to full waveform inversion of anisotropic elastic media. Communications in Computational Physics 2020
UiB Untitled
 
2 Zhao, Hao; Waldeland, Anders U.; Serrano, Dany Rueda; Tygel, Martin; Iversen, Einar.
Time-migration velocity estimation using Fréchet derivatives based on nonlinear kinematic migration/demigration solvers. Studia Geophysica et Geodaetica 2020 ;Volum 64.(1) Suppl. Online 17.01.2020 s. 26-75
UiB UiO Untitled
 
2019
3 Huang, Xingguo; Jakobsen, Morten; Wu, Ru-Shan; Iversen, Einar.
Modeling and inversion of seismic data by combining asymptotic, renormalization and homotopy methods. Lofoten seminaret i geofysikk; 2019-08-14 - 2019-08-16
UiB Untitled
 
4 Iversen, Einar; Stemland, Helene Meling.
Hva er geofysikk? Hvor kan jeg få jobb?. Realfagsdagen - formidling til elever i videregående skole; 2019-11-27 - 2019-11-27
UiB Untitled
 
5 Iversen, Einar; Ursin, Bjørn; Saksala, Teemu; Ilmavirta, Joonas; de Hoop, Maarten.
Higher-order Hamilton–Jacobi perturbation theory for anisotropic heterogeneous media: dynamic ray tracing in Cartesian coordinates. Geophysical Journal International 2019 ;Volum 216.(3) s. 2044-2070
NTNU UiB Untitled
 
6 Iversen, Einar; Ursin, Bjørn; Saksala, Teemu; Ilmavirta, Joonas; de Hoop, Maarten V..
Higher-order dynamic ray tracing in ray-centred coordinates. SEG technical program expanded abstracts 2019 s. 3889-2893
NTNU UiB Untitled
 
7 Iversen, Einar; Ursin, Bjørn; Saksala, Teemu; Ilmavirta, Joonas; de Hoop, Maarten V..
Higher-order Hamilton-Jacobi perturbation theory for anisotropic heterogeneous media: dynamic ray tracing in ray-centred coordinates. Geo-Mathematical Imaging Group Annual Project Review, pp. 351-381; 2019-04-29 - 2019-04-30
UiB Untitled
 
8 Iversen, Einar; Ursin, Bjørn; Saksala, Teemu; Ilmavirta, Joonas; de Hoop, Maarten V..
Higher-order Hamilton-Jacobi perturbation theory for anisotropic heterogeneous media: transformation between Cartesian and ray-centred coordinates. Geo-Mathematical Imaging Group Annual Project Review, pp. 329-349; 2019-04-29 - 2019-04-30
UiB Untitled
 
2018
9 Hannisdal, Bjarte; Iversen, Einar.
Data Analysis in Geosciences: Fostering Computational Learning. Conference of the International Society for the Scholarship of Teaching and Learning; 2018-10-26
UiB Untitled
 
10 Iversen, Einar; Hannisdal, Bjarte.
På vei mot mer studentorientert undervisning og læring i geostatistikk. Bergen Open Research Archive; 2018-01-31
UiB Untitled
 
11 Iversen, Einar; Ursin, Bjørn; de Hoop, Maarten V..
Higher-order dynamic ray tracing for extrapolation of traveltime and geometrical spreading. EAGE 80th Conference & Exhibition; 2018-06-11 - 2018-06-14
UiB Untitled
 
12 Iversen, Einar; Ursin, Bjørn; de Hoop, Maarten V..
Higher-order extrapolation of traveltime and geometrical spreading in anisotropic heterogeneous media. SEG Annual Meeting; 2018-10-14 - 2018-10-19
UiB Untitled
 
13 Iversen, Einar; Ursin, Bjørn; de Hoop, Maarten V..
Higher-order Hamilton-Jacobi theory with applications for 3D heterogeneous anisotropic media. Annual Meeting of the Geo-Mathematical Imaging Group; 2018-04-18 - 2018-04-19
UiB Untitled
 
14 Iversen, Einar; Ursin, Bjørn; de Hoop, Maarten V..
Higher-order extrapolation of traveltime and geometrical spreading in anisotropic heterogeneous media. Society of Exploration Geophysicists. Expanded Abstracts with Biographies 2018
UiB Untitled
 
15 Zhao, Hao; Waldeland, Anders U.; Rueda Serrano, Dany; Tygel, Martin; Iversen, Einar.
Time-migration Tomography based on Reflection Slopes in Pre-stack Time-migrated Seismic. EAGE 80th Conference & Exhibition; 2018-06-11 - 2018-06-14
NR UiB Untitled
 
16 Zhao, Hao; Waldeland, Anders U.; Serrano, D. Rueda; Tygel, Martin; Iversen, Einar.
Time-migration Tomography based on Reflection Slopes in Pre-stack Time-migrated Seismic Data. EAGE extended abstracts 2018
UiB UiO Untitled
 
2017
17 Iversen, Einar; Ursin, Bjørn; de Hoop, Maarten V..
Higher-order Hamilton-Jacobi perturbation equations for anisotropic media. Geo-Mathematical Imaging Group Annual Project Review, pp. 227-250; 2017-04-15
UiB Untitled
 
18 Jakobsen, Morten; Psencik, Ivan; Iversen, Einar; Ursin, Bjørn.
On the Parameterization of Seismic Anisotropy in Elastic Waveform Inversion - The HTI Case. 79th EAGE Conference and Exhibition 2017; 2017-06-12
UiB Untitled
 
19 Jakobsen, Morten; Psencik, Ivan; Iversen, Einar; Ursin, Bjørn.
On the parametrization of seismic anisotropy for ray-Born inversion. Seismic Waves in Complex 3-D Structures 2017 ;Volum 27. s. 37-49
UiB Untitled
 
20 Zhao, Hao; Waldeland, Anders Ueland; Serrano, Dany Rueda; Tygel, Martin; Iversen, Einar.
Time-migration tomography based on reflection slopes, a first test. Lofoten-seminaret i petroleumsgeofysikk; 2017-08-15 - 2017-08-18
UiB UiO Untitled
 
2016
21 Iversen, Einar; Kaschwich, Tina.
Twin wavefront construction approach to simulation of shear waves in transversely isotropic layered media. EAGE 78th Conference & Exhibition; 2016-05-30 - 2016-07-02
NORSAR Untitled
 
2015
22 V. de Hoop, Maarten; Holman, Sean F.; Iversen, Einar; Lassas, Matti; Ursin, Bjørn.
Recovering the isometry type of a Riemannian manifold from local boundary diffraction travel times. Journal des Mathématiques Pures et Appliquées 2015 ;Volum 103.(3) s. 830-848
NORSAR NTNU Untitled
 
2014
23 de Hoop, Maarten V.; Holman, Sean F; Iversen, Einar; Lassas, Matti; Ursin, Bjørn.
Reconstruction of a conformally euclidean metric from local boundary diffraction travel times. SIAM journal on computing (Print) 2014 ;Volum 46.(6) s. 3705-3726
NORSAR NTNU Untitled
 
2013
24 bin Waheed, Umar; Psencik, Ivan; Červený, Vlatislav; Iversen, Einar; Alkhalifah, Tariq.
Two-point paraxial traveltime formula for inhomogeneous isotropic and anisotropic media: Tests of accuracy. Geophysics 2013 ;Volum 78.(5) s. WC65-WC80
NORSAR Untitled
 
2012
25 bin Waheed, U.; Alkhalifah, T.; Psencik, T.; Cerveny, I.; Iversen, Einar.
Two-point Paraxial Traveltime in inhomogeneous Isotropic/Anisotropic Media - Tests of Accurancy. I: 74th EAGE Conference & Exhibition incorporating SPE EUROPEC 2012. European Association of Geoscientists and Engineers (EAGE) 2012 ISBN 978-90-73834-27-9.
NORSAR Untitled
 
26 Cerveny, Vlatislav; Iversen, Einar; Psencik, Ivan.
Two-point paraxial traveltimes in an inhomogeneous anisotropic medium. Geophysical Journal International 2012 ;Volum 189.(3) s. 1597-1610
NORSAR Untitled
 
27 Iversen, Einar; Tygel, M; Ursin, Bjørn; de Hoop, MV.
Kinematic time migration and demigration of reflections in pre-stack seismic data. Geophysical Journal International 2012 ;Volum 189.(3) s. 1635-1666
NORSAR NTNU Untitled
 
28 Tygel, M; Ursin, Bjørn; Iversen, Einar; de Hoop, MV.
Estimation of geological dip and reflector curvature from zero-offset seismic reflections in heterogeneous anisotropic media. Studia Geophysica et Geodaetica 2012 ;Volum 56.(2) s. 521-531
NORSAR NTNU Untitled
 
29 Tygel, Martin; Ursin, Bjørn; Iversen, Einar; Hoop, Maarten V. de.
Estimation of geological dip and curvature from time-migrated zero-offset reflections in heterogeneous anisotropic media. Geophysical Prospecting 2012 ;Volum 60.(2) s. 201-216
NORSAR NTNU Untitled
 
2009
30 Ursin, Bjørn; Tygel, Martin; Iversen, Einar.
SS-traveltime parameters from PP and PS reflections. Geophysics 2009 ;Volum 74.(4) s. R35-R47
NTNU Untitled
 
31 Ursin, Bjørn; Tygel, Martin; Iversen, Einar.
SS-traveltime parameters from PP- and PS-reflections. International Congress of the Brazilian Geophysical Society; 2009-08-24 - 2009-08-28
NORSAR NTNU Untitled
 
2007
32 Gjøystdal, Håvar; Iversen, Einar; Lecomte, Isabelle; Kaschwich, Tina; Drottning, Åsmund; Mispel, J..
Improved applicability of ray tracing in seismic acquisition, imaging, and interpretation. Geophysics 2007 ;Volum 72.(5) s. SM261-SM271
NORSAR Untitled
 
2002
33 Iversen, Einar.
From perturbation to propagation of seismic isochrons. Dissertation for the degree Doctor Philosophiae. Universitetet i Oslo 2002 197 s.
UiO Untitled
 
1996
34 Iversen, Einar; Gjøystdal, Håvar.
Event-oriented velocity estimation based on prestack data in time or depth domain. Geophysical Prospecting 1996 ;Volum 44.(4) s. 643-686
NORSAR Untitled
 
35 Vinje, Vetle; Iversen, Einar; Åstebøl, Ketil; Gjøystdal, Håvar.
Estimation of multivalued arrivals using wavefront construction - Part I. Geophysical Prospecting 1996 ;Volum 44.(5) s. 819-842
NORSAR Untitled
 
36 Vinje, Vetle; Iversen, Einar; Åstebøl, Ketil; Gjøystdal, Håvar.
Estimation of multivalued arrivals using wavefront construction - Part II: Tracing and interpolation. Geophysical Prospecting 1996 ;Volum 44.(5) s. 843-848
NORSAR Untitled
 
1993
37 Vinje, Vetle; Iversen, Einar; Gjøystdal, Håvar.
Traveltime and amplitude estimation using wavefront construction. Geophysics 1993 ;Volum 58.(8) s. 1157-1166
NORSAR Untitled
 
1986
38 Gelius, Leiv-J.; Stamnes, Jakob J.; Pedersen, Hans Magne; Scholten, Bart; Løvhaugen, Odd; Skytt, Vibeke; Iversen, Einar; Gjøystdal, Håvar; Aasen, Rof Magne.
3D seismic diffraction modelling. Main project.. : Senter for industri forskning (SI) and NORSAR 1986 182 s.
NORSAR SINTEF UiB UiO Untitled
 
1984
39 Iversen, Einar.
3-D velocity inversion by use of kinematic and dynamic ray-tracing. Cand. scient thesis ( and NORSAR Tech. Rep. 1/83, December 1983). Universitetet i Oslo 1984 111 s.
UiO Untitled