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authIdHal_s : stephane-operto

Parallel algebraic hybrid linear solver for frequency domain acoustic wave modeling

Hafedh Ben-Hadj-Ali , Luc Giraud , Azzam Haidar , Stéphane Operto , Jean Virieux
SIAM conference on Applied Linear Algebra, SIAM, Oct 2009, Monterey Bay, United States
Conference papers hal-00719553v1

Structure of the Cretaceous Kerguelen Volcanic Province (southern Indian Ocean) from wide-angle seismic data.

Philippe Charvis , S. Operto
Journal of Geodynamics, 1999, 28 (1), pp.51-71. ⟨10.1016/S0264-3707(98)00029-5⟩
Journal articles istex hal-03596225v1
Image document

Applying Gauss-Newton and Exact Newton method to Full Waveform Inversion

Ludovic Métivier , Romain Brossier , Stéphane Operto , Jean Virieux
EAGE 2012 - European Association of Geoscientists and Engineers, Jun 2012, Copenhaguen, Denmark. pp.1-5
Conference papers hal-00944435v1

Hybrid Tikhonov + total-variation regularization for imaging large-contrast media by full-waveform inversion

H. Aghamiry , S. Operto , A Gholami
SEG Technical Program Expanded Abstracts 2018, Oct 2018, Anaheim (californie), United States. pp.1253-1257
Conference papers hal-02171248v1

2D Seismic Imaging of Elastic Parameters by Frequency Domain Full Waveform Inversion

R. Brossier , J. Virieux , S. Operto
American Geophysical Union, Fall Meeting 2008, Dec 2008, San Francisco, United States
Conference papers hal-00416773v1

2D fine-scale imaging of the subduction channel in Gulf of Guayaquil by integrated iterative PSDM and simulated annealing optimization

W. Agudelo , A. Ribodetti , S. Operto , J. Virieux , J.-Y. Collot
The Society of Exploration Geophysicists (SEG 2006), Oct 2006, New Orleans, United States. pp.2151, ⟨10.1190/1.2369962⟩
Conference papers hal-00408477v1

Seismic imaging for topographic site effect modeling at the Low Noise Underground Laboratory (LSBB), Rustrel, France

E. Maufroy , S. Operto , V. M. Cruz-Atienza , O. Sardou , G. Sénéchal , et al.
iDUST Inter Disciplinary Underground Science and Technology conference, Apr 2008, Apt, France
Conference papers hal-00471184v1

Numerical Modeling of Surface Waves Over Shallow Cavities

Céline Gélis , D. Leparoux , Jean Virieux , Adnand Bitri , Stéphane Operto , et al.
Journal of Environmental and Engineering Geophysics, 2005, 10 (2), pp.111-121. ⟨10.2113/JEEG10.2.111⟩
Journal articles hal-00758739v1

3D calculation of seismic wave interaction with topography and near-surface structures at the LSBB Underground Laboratory, Rustrel, France

E. Maufroy , Stéphane Gaffet , V. Cruz-Atienza , S. Operto
American Geophysical Union, Fall Meeting 2008, Dec 2008, San Francisco, United States
Conference papers hal-00471171v1

A 3D Parsimonious Finite-volume Frequency-domain Method for Elastic Wave Modelling

V. Etienne , R. Brossier , Jean Virieux , S. Operto
70th EAGE Conference & Exhibition, Jun 2008, Rome, Italy. pp.Seismic Modelling I
Conference papers hal-00408382v1

Multi-scale decomposition of velocity structure and application to first-arrival tomography

M. Delost , J. Virieux , S. Operto
Conception, verification and application of innovative techniques to study active volcanoes, ISBN 978-88-89972-09-0, W. Marzochi and A. Zollo, pp.181-192, 2008
Book sections hal-00408247v1

3D ray+born migration/inversion. Part I: Theory

G. Lambaré , S. Operto , P. Podvin , P. Thierry
Geophysics, 2003, 68 (4), pp.1348-1356. ⟨10.1190/1.1598128⟩
Journal articles hal-00407026v1

Parsimonious Slope Tomography Based On Eikonal Solvers and the Adjoint-state Method

Serge Sambolian , Stéphane Operto , Alessandra Ribodetti , B. Tavakoli F. , Jean Virieux
80th EAGE Conference and Exhibition 2018, Jun 2018, Copenhagen, France. ⟨10.3997/2214-4609.201801384⟩
Conference papers hal-02456962v1

A massively parallel time domain discontinuous {G}alerkin method for 3{D} elastic wave modeling

V. Etienne , J. Virieux , S. Operto
The Society of Exploration Geophysicists (SEG 2009), Oct 2009, Houston, United States. pp.2657-2661
Conference papers hal-00415613v1

On the robustness of l1-regularized ADMM-based wavefield reconstruction inversion against compressed acquisition sampling

H. Aghamiry , A. Gholami , S. Operto
SEG19, Sep 2019, San Antonio, United States. pp.1385-1389, ⟨10.1190/segam2019-3215326.1⟩
Conference papers hal-02356114v1
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Full Waveform Inversion beyond the Born approximation: A tutorial review

S. Operto
Preprints, Working Papers, ... hal-04010372v1
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The truncated Newton method for Full Waveform Inversion

Ludovic Métivier , Romain Brossier , Jean Virieux , Stéphane Operto
Journal of Physics: Conference Series, 2012, 386 (1), pp.012013:1-6. ⟨10.1088/1742-6596/386/1/012013⟩
Journal articles hal-00763730v1
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A massively parallel frequency-domain full-waveform inversion algorithm for imaging acoustic media: Application to a dense OBS data set

Florent Sourbier , Stéphane Operto , Jean Virieux , Patrick Amestoy , Jean-Yves L'Excellent
SEG 2007 - The Society of Exploration Geophysicists, Sep 2007, San Antonio, United States. pp.1893, ⟨10.1190/1.2792860⟩
Conference papers hal-00408492v1

2D Frequency-domain Seismic Wave Modeling in VTI Media Based on a Hp-adaptive Discontinuous Galerkin Method

R. Brossier , Y. Gholami , J. Virieux , S. Operto
72nd EAGE Conference & Exhibition incorporating SPE EUROPEC 2010, 2010, Barcelona, Spain. pp.C046
Conference papers hal-00498106v1

Combining direct and iterative solvers for improving efficiency of solving wave equations when considering multi-sources problems

F. Sourbier , A. Haidar , L. Giraud , R. Brossier , S. Operto , et al.
EAGE workshop, HPC, Jun 2008, Rome, Italy
Conference papers hal-00408470v1

Is 3D frequency-domain FWI of full-azimuth/long-offset OBN data feasible? The Gorgon data FWI case study

S. Operto , P. Amestoy , H. Aghamiry , S. Beller , A. Buttari , et al.
Leading Edge, 2023, 42 (3), pp.173-183. ⟨10.1190/tle42030173.1⟩
Journal articles hal-04010335v1

Seismic elastic modeling for seismic imaging

Jean Virieux , Romain Brossier , Stéphanie Chaillat , A. D. Duchkov , Vincent Etienne , et al.
SIAM Conference on Mathematical and Computational Issues in the Geosciences , Jun 2013, Padoue, Italy
Conference papers hal-01310387v1

Building Initial Model for FWI From Ultra Long-Offset OBN Data by First-Arrival Traveltime + Slope Tomography

Serge Sambolian , A. Górszczyk , Stéphane Operto , Alessandra Ribodetti , B. Tavakoli F. , et al.
81st EAGE Conference and Exhibition 2019, Jun 2019, London, United Kingdom. ⟨10.3997/2214-4609.201901562⟩
Conference papers hal-02456998v1
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Mixed-grid and staggered grid finite difference methods for frequency-domain acoustic wave modelling

B. Hustedt , S. Operto , J. Virieux
Geophysical Journal International, 2004, 157 (3), pp.1269-1296. ⟨10.1111/j.1365-246X.2004.02289.x⟩
Journal articles hal-00407324v1
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Full Waveform Inversion by Proximal Newton Method using Adaptive Regularization

H Aghamiry , A Gholami , S Operto
Geophysical Journal International, 2021, 224 (1), pp.169-180. ⟨10.1093/gji/ggaa434⟩
Journal articles hal-02937013v1
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Consistent seismic event location and subsurface parameters inversion through slope tomography: a variable-projection approach

Serge Sambolian , Stéphane Operto , Alessandra Ribodetti , Jean Virieux
Geophysical Journal International, 2021, 2020-11-18, 224 (3), pp.1956-1979. ⟨10.1093/gji/ggaa555⟩
Journal articles hal-03013635v1

Seismic imaging for topographic site effect modeling at the Low Noise Underground Laboratory (LSBB), Rustrel, France

E. Maufroy , A. Ribodetti , G. Sénéchal , H. Zeyen , M. Dietrich , et al.
4th EGU General Assembly, Apr 2007, Vienne, Austria. pp.A-03807
Conference papers hal-00471200v1

Erratum to: Implementing bound constraints and total-variation regularization in extended full-waveform inversion with the alternating direction method of multiplier: application to large contrast media

H Aghamiry , A Gholami , Stéphane Operto
Geophysical Journal International, 2019, 219 (2), pp.1431-1431. ⟨10.1093/gji/ggz386⟩
Journal articles hal-03575401v1

Quantitative imaging of complex structures from dense wide-aperture seismic data by multiscale traveltime and waveform inversions: a case study

S. Operto , C. Ravaut , L. Improta , J. Virieux , A. Herrero , et al.
Geophysical Prospecting, 2004, 52 (6), pp.625-651
Journal articles hal-00407337v1
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Deep seismic imaging of the eastern Nankai trough, Japan, from multifold ocean bottom seismometer data by combined travel time tomography and prestack depth migration

J.-X. Dessa , S. Operto , S. Kodaira , A. Nakanishi , G. Pascal , et al.
Journal of Geophysical Research, 2004, 109, pp.B02111. ⟨10.1029/2003JB002689⟩
Journal articles hal-00407309v1