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Un algorithme pour la détermination de perméabilités relatives triphasiques satisfaisant une condition de différentielle totale

Guy Chavent , G. Salzano
[Rapport de recherche] RR-0355, INRIA. 1985
Reports inria-00076202v1
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A unified physical presentation of mixed, mixed-hybrid finite elements and usual finite differences for the determination of velocities in waterflow problems

Guy Chavent , Jean Roberts
[Research Report] RR-1107, INRIA. 1989
Reports inria-00075452v1
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Une remarque sur le prolongement par symetrie des formulations variationnelles et son application a la vectorisation

Guy Chavent
[Rapport de recherche] RR-1015, INRIA. 1989
Reports inria-00075543v1
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A Time-Domain Derivation of Optimal and Suboptimal Kirchhoff Quantitative Migrations Via a Least-Squares Approach

Guy Chavent , René-Edouard Plessix
[Research Report] RR-2967, INRIA. 1996
Reports inria-00073731v1
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On the uniqueness of local minima for general abstract non-linear least square problems

Guy Chavent
[Research Report] RR-0645, INRIA. 1987
Reports inria-00075908v1
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A priori estimates of attraction basins for nonlinear least squares, with application to Helmholtz seismic inverse problem

Hélène Barucq , Guy Chavent , Florian Faucher
Inverse Problems, 2019, 35 (11), ⟨10.1088/1361-6420/ab3507⟩
Journal articles hal-02194212v1
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A time domain derivation of the Kirchhoff migration as the gradient of a data misfit function

Guy Chavent
[Research Report] RR-1928, INRIA. 1993
Reports inria-00074746v1
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Convergence of Tikhonov regularization for constrained Ill-posed inverse problems

Guy Chavent , K. Kunisch
[Research Report] RR-1729, INRIA. 1992
Reports inria-00076968v1
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Image segmentation with multidimensional refinement indicators

Hend Ben Ameur , Guy Chavent , François Clément , Pierre Weis
Inverse Problems in Science and Engineering, 2011, Special Issue: Proceedings of the 5th International Conference on Inverse Problems: Modeling and Simulation, May 24th-29th, 2010, held in Antalya, Turkey, 19 (5), pp.577-597. ⟨10.1080/17415977.2011.579609⟩
Journal articles inria-00533799v3

Stability and convergence for seismic reconstruction using full waveform inversion

Hélène Barucq , Henri Calandra , Guy Chavent , Maarten V. de Hoop , Florian Faucher et al.
Johann Radon Institute for Computational and Applied Mathematics (RICAM) Group Seminar, Jul 2017, Linz, Austria
Conference papers hal-01623950v1

Stability and convergence analysis for seismic depth imaging using FWI

Hélène Barucq , Henri Calandra , Guy Chavent , Maarten V. de Hoop , Florian Faucher et al.
Computational Inverse Problems for Partial Differential Equations Workshop, May 2017, Oberwolfach, Germany. pp.67--70, ⟨10.4171/OWR/2017/24⟩
Conference papers hal-01623952v1
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Local stability of the output least square parameter estimation technique

Guy Chavent
[Research Report] RR-0136, INRIA. 1982
Reports inria-00076424v1
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Quasiconvex sets and size X curvature condition. Application to non linear inversion

Guy Chavent
[Research Report] RR-1017, INRIA. 1989
Reports inria-00075541v1
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Regularization in state space

Guy Chavent , K. Kunisch
[Research Report] RR-1730, INRIA. 1992
Reports inria-00076969v1
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First-order indicators for the estimation of discrete fractures in porous media

Hend Ben Ameur , Guy Chavent , Fatma Cheikh , François Clément , Vincent Martin et al.
Inverse Problems in Science and Engineering, 2018, 26 (1), pp.1--32. ⟨10.1080/17415977.2017.1290087⟩
Journal articles hal-01279503v2
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On the Finite Volume Reformulation of the Mixed Finite Elements Method on Triangles

Guy Chavent , Anis Younès , Robert Mosé , Philippe Ackerer
[Research Report] RR-3769, INRIA. 1999
Reports inria-00072892v1
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Estimating nonlinearities in twophase flow in porous media.

Jianfeng Zhang , Guy Chavent , Jérôme Jaffré
Computational Geosciences, 2010, 14, pp.105-124. ⟨10.1007/s10596-009-9135-0⟩
Journal articles inria-00374754v1
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The multi-dimensional refinement indicators algorithm for optimal parameterization

Hend Ben Ameur , François Clément , Pierre Weis , Guy Chavent
Journal of Inverse and Ill-posed Problems, 2008, 16 (2), pp.107-126. ⟨10.1515/JIIP.2008.008⟩
Journal articles inria-00079668v6
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A new sufficient condition for the well-posedness of non-linear least square problems arising in identification and control

Guy Chavent
[Research Report] RR-1121, INRIA. 1989
Reports inria-00075438v1

Convergence of seismic full waveform inversion and extension to Cauchy data

Hélène Barucq , Henri Calandra , Guy Chavent , Florian Faucher
Inverse Days 2017, Dec 2017, Oulu, Finland
Conference papers hal-01662677v1
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Détermination de profils de température pendant la détonation d'un explosif liquide, le nitrométhane

François Clément , Guy Chavent
[Rapport de recherche] RR-4641, INRIA. 2002
Reports inria-00071944v1
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Primal-Dual Formulations for Parameter Estimation Problems

Guy Chavent , Karl Kunisch , Jean Roberts
[Research Report] RR-2891, INRIA. 1996
Reports inria-00073799v1

A Symbolic Code Generator for Parameter Estimation

Guy Chavent , Jérôme Jaffré , Sophie Jégou , Jun Liu
Second International Workshop on Computational Differentiation, Feb 1996, Santa Fe, United States. pp.129-136
Conference papers hal-00955245v1
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Least-Squares, Sentinels and Substractive Optimally Localized Average

Guy Chavent
[Research Report] RR-3332, INRIA. 1998
Reports inria-00073357v1
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A maximum curvature step and geodesic displacement for nonlinear least squares descent algorithms

Guy Chavent
[Research Report] RR-4383, INRIA. 2002
Reports inria-00072205v1
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Quantitative Convergence and Stability of Seismic Inverse Problems.

Florian Faucher , Hélène Barucq , Henri Calandra , Guy Chavent
Reconstruction Methods for Inverse Problems, May 2018, Rome, Italy
Conference papers hal-01807980v1
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Migration-based Traveltime Waveform Inversion of 2D Simple Structures: the Synclay Model

Guy Chavent , François Clément , Susana Gómez
[Research Report] RR-3502, INRIA. 1998
Reports inria-00073183v1
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Generalized sentinels defined via least squares

Guy Chavent
[Research Report] RR-1932, INRIA. 1993
Reports inria-00074742v1

Approche bloc en ACP group-sparse: le package sparsePCA

Marie Chavent , Guy Chavent
AngletR 2017 - 6ème Rencontres R, Jun 2017, Anglet, France. pp.1
Conference papers hal-01662652v1
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Raffinement et de déraffinement de paramétrisation pour l'estimation de transmissivité hydraulique

Hend Ben Ameur , Guy Chavent , Jérôme Jaffré
[Rapport de recherche] RR-3623, INRIA. 1999
Reports inria-00073054v1