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Information and Prediction for Geophysical Fluids

François-Xavier Le Dimet
Thermal Hydrodynamics of Multiphase Flows and Applications, May 2009, Hanoi, Vietnam. pp.87-98
Communication dans un congrès inria-00391371v1

Data Assimilation: A Paradigm for Complex Systems

François-Xavier Le Dimet
ICTMA 13 - 13th International Conference on the Teaching of Mathematical Modelling and Applications, Jun 2007, Kathmandu University, Dhulikhel, Nepal
Communication dans un congrès inria-00391897v1

Models, Data and Images for environmental prediction

François-Xavier Le Dimet
Advanced Computational Mechanics and Engineering, Sep 2012, Tallahassee, United States
Communication dans un congrès hal-00788706v1

Assimilation of images: a challenge!

François-Xavier Le Dimet
Recent Problems in Computational Mathematics and Mathematical Modelling, Nov 2010, Moscou, Russia
Communication dans un congrès hal-00796012v1

Assimilation of images in geophysical models

François-Xavier Le Dimet
IOAS-AOLS - 11th Symposium on Integrated Observing and Assimilation Systems for the Atmosphere, Oceans, and Land Surface (87th AMS Annual Meeting), Jan 2007, San Antonio, Texas, United States
Communication dans un congrès hal-00171596v1

Variational Methods: a Global approach

François-Xavier Le Dimet , Seon Park
AOGS 2007 - 1st Sasaki Symposium on Data Assimilation for Atmospheric, Oceanic, and Hydrologic Applications, Jul 2007, Bangkok, Thailand
Communication dans un congrès inria-00391896v1
Image document

Vector field regularization by generalized diffusion

Innocent Souopgui , François-Xavier Le Dimet , Arthur Vidard
[Research Report] RR-6844, INRIA. 2009, pp.20
Rapport inria-00360904v2
Image document

De la prévision météo à la prévision environnementale

Françoise Breton , Eric Blayo , François-Xavier Le Dimet
Collection "20 ans d'avancées et de perspectives en sciences du numérique", 2012, 3 p
Article dans une revue hal-00812712v1

Images: New Perspectives in Data Assimilation

François-Xavier Le Dimet , Eric Blayo
SIAM Conference on Computational Science and Engineering, Feb 2007, Costa Mesa, CA, United States
Communication dans un congrès inria-00391904v1

Debluring from Highly Incomplete Measurements for Remote Sensing

Jianwei Ma , François-Xavier Le Dimet
IEEE Transactions on Geoscience and Remote Sensing, 2009, 47 (3), pp.792-802. ⟨10.1109/TGRS.2008.2004709⟩
Article dans une revue inria-00391871v1

Assimilation of Images for Geophysical Fluids

François-Xavier Le Dimet , Eric Blayo
SIAM Conference on Mathematical \& Computational Issues in the Geosciences, Mar 2007, Santa Fe, Etats-Unis, United States
Communication dans un congrès inria-00391903v1

Variational Methods for Sensitivity Analysis and Parameter Estimation in Hydrology

François-Xavier Le Dimet , William Castaings
AOGS 2010 - 7th Annual Meeting of the Asian Oceania Geosciences Society, Jul 2010, Hyderabad, India
Communication dans un congrès hal-00787286v1

On optimal solution error covariances in variational data assimilation problems

Igor Gejadze , François-Xavier Le Dimet , Victor P. Shutyaev
Journal of Computational Physics, 2010, 229 (6), pp.2159-2178. ⟨10.1016/j.jcp.2009.11.028⟩
Article dans une revue hal-00787292v1

Error Propagation and Second Order Information in Variational Data Assimilation

François-Xavier Le Dimet , Igor Gejadze , Victor P. Shutyaev
AIP 2009 - Applied Inverse Problems Conference, Jul 2009, Vienna, Austria
Communication dans un congrès hal-00787272v1

On optimal solution error covariances in variational data assimilation

Victor P. Shutyaev , François-Xavier Le Dimet , Igor Gejadze
Russian Journal of Numerical Analysis and Mathematical Modelling, 2008, 23 (2), pp.197-205. ⟨10.1515/RJNAMM.2008.012⟩
Article dans une revue istex inria-00391878v1

Méthodes multigrilles pour le 4D-VAR

Emilie Neveu , Laurent Debreu , François-Xavier Le Dimet
Colloque National sur l'Assimilation de Données, Dec 2010, Grenoble, France
Communication dans un congrès hal-00788218v1

Régularisation par diffusion généralisée pour les problèmes inverses mal posés : application au traitement d'images en géophysique

Innocent Souopgui , Arthur Vidard , François-Xavier Le Dimet
CANUM 2010 - 40e Congrès National d'Analyse Numérique, Société de Mathématiques Appliquées et Industrielles, May 2010, Carcans-Maubuisson, France
Communication dans un congrès inria-00544370v1

Fundamental Control Functions and Error Analysis in Variational Data Assimilation

Victor P. Shutyaev , François-Xavier Le Dimet
Pure and Applied Geophysics, 2012, 169 (3), pp.311-320. ⟨10.1007/s00024-011-0371-6⟩
Article dans une revue istex hal-00788648v1
Image document

Analysis error covariance versus posterior covariance in variational data assimilation

Igor Gejadze , Victor Shutyaev , François-Xavier Le Dimet
Quarterly Journal of the Royal Meteorological Society, 2013, 139 (676), pp.1826-1841. ⟨10.1002/qj.2070⟩
Article dans une revue hal-00926878v1
Image document

Generalised diffusion based regularization for inverse problem in image processing

Innocent Souopgui , Arthur Vidard , François-Xavier Le Dimet
EngOpt 2010 - 2nd International Conference on Engineering Optimization, Technical University of Lisbon and Institute of Mechanical Engineering, Sep 2010, Lisbon, Portugal
Communication dans un congrès inria-00519330v1

The Water Pollution Problem and application of data assimilation methods

Ha Tran Thu , François-Xavier Le Dimet
CASE 2012 - IEEE International Conference on International Conference on Automation Science and Engineering, Aug 2012, Seoul, South Korea
Communication dans un congrès hal-00788669v1
Image document

Sensitivity of response functions in variational data assimilation for joint parameter and initial state estimation

Victor Shutyaev , François-Xavier Le Dimet , Eugene Parmuzin
Journal of Computational and Applied Mathematics, 2020, 373, pp.112368:1-14. ⟨10.1016/j.cam.2019.112368⟩
Article dans une revue hal-02431701v1
Image document

Lagrangian data assimilation for river hydraulics simulations

Marc Honnorat , Jerome Monnier , François-Xavier Le Dimet
Computing and Visualization in Science, 2009, 12 (5), pp.235-246. ⟨10.1007/s00791-008-0089-x⟩
Article dans une revue inria-00256581v1
Image document

On variational data assimilation for 1D and 2D fluvial hydraulics

Igor Gejadze , Marc Honnorat , François-Xavier Le Dimet , Jerome Monnier
European Conference on Mathematics for Industry (14th ECMI), Edts Bonilla-Moscovo-Platero-Vega, Jul 2006, Madrid, Spain. pp.361-365, ⟨10.1007/978-3-540-71992-2_53⟩
Communication dans un congrès inria-00259096v1
Image document

Assimilation of Image Sequences in Numerical Models

Olivier Titaud , Arthur Vidard , Innocent Souopgui , François-Xavier Le Dimet
[Research Report] RR-6701, INRIA. 2008, pp.33
Rapport inria-00332815v1
Image document

Assimilation of Remote Sensed Data for River Hydraulic Simulations

Jerome Monnier , Marc Honnorat , Xijun Lai , François-Xavier Le Dimet
ICIAM 2007 - International Congress on Industrial and Applied Mathematics, Jul 2007, Zurich, Switzerland. pp.1100203-1100204, ⟨10.1002/pamm.200700680⟩
Communication dans un congrès inria-00259101v1
Image document

Assimilation of Images in Numerical Models in Geophysics

Arthur Vidard , François-Xavier Le Dimet , Innocent Souopgui , Olivier Titaud
EngOpt 2008 - International Conference on Engineering Optimization, COPPE/UFRJ, Jun 2008, Rio de Janeiro, Brazil
Communication dans un congrès inria-00319972v1

Second Order Methods for Error Propagation in Variational Data Assimilation

François-Xavier Le Dimet , Igor Gejadze , Victor P. Shutyaev
Eric Blayo; Marc Bocquet; Emmanuel Cosme; F. Cugliandolo Leticia. Lecture notes of Les Houches summer school, Oxford University Press, pp.576, 2014, Data assimilation for Geosciences, 9780198723844. ⟨10.1093/acprof:oso/9780198723844.003.0014⟩
Chapitre d'ouvrage hal-01103169v1

A posteriori error covariances in variational data assimilation

Victor P. Shutyaev , François-Xavier Le Dimet , Igor Gejadze
Russian Journal of Numerical Analysis and Mathematical Modelling, 2009, 24 (2), pp.161-169. ⟨10.1515/RJNAMM.2009.011⟩
Article dans une revue inria-00391869v1

Error Propagation in Variational Data Assimilation

François-Xavier Le Dimet , Igor Gejadze , Victor P. Shutyaev
AOGS 2010 - 7th Annual Meeting of the Asia Oceania Geophysical Society, Jul 2010, Hyderabad, India
Communication dans un congrès hal-00787283v1