Arthur Vidard
- Mathematics and computing applied to oceanic and atmospheric flows (AIRSEA)
Présentation
Modélisation inverse pour l’environnement.Thèmes de recherche
Plus particulièrement :
Publications
Publications
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Variational methodsHandbook of Uncertainty Quantification, Springer International Publishing, pp.1-20, 2016, 978-3-319-11259-6. ⟨10.1007/978-3-319-11259-6_32-1⟩ |
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Assimilation of ImagesEric Blayo; Marc Bocquet; Emmanuel Cosme; Leticia F. Cugliandolo. Advanced Data Assimilation for Geosciences, Oxford University Press, pp.20, 2014, Lecture Notes of the Les Houches Summer School, 9780198723844 |
The ECMWF Perspective.E. Chassignet et J. Verron. Ocean Weather Forecasting. An Integrated View of Oceanography., Chapitre 13, Springer, 2006 |
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Reduced order strategies for variational data assimilation in oceanic modelsBruno Sportisse; François-Xavier Le Dimet. Data Assimilation for Geophysical Flows, Springer-Verlag, 2003 |
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Vers une prise en compte des erreurs-modèle en assimilation de données 4D-variationnelle. Application à un modèle réaliste d'océanMathématiques [math]. Université Joseph-Fourier - Grenoble I, 2001. Français. ⟨NNT : ⟩ |
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Assimilation de données et méthodes adjointes pour la géophysiqueOptimisation et contrôle [math.OC]. Université de Grenoble, 2012 |
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Poseidon: A Source-to-Source Translator for Holistic HPC Optimizations of Ocean Models on Regular GridsSC 2024 - International Conference for High Performance Computing, Networking, Storage, and Analysis, Nov 2024, Atlanta (Georgia), United States. , pp.1-1, 2024, ⟨10.5281/zenodo.11190458⟩ |
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Consideration of uncertain forcings in the global sensitivity analysis and metamodeling of a pesticide transfer modelEGU General Assembly 2024, Apr 2024, Vienna, Austria, Austria. pp.1-1, 2024, ⟨10.5194/egusphere-egu24-19838⟩ |
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State-dependent Preconditioning for Data Assimilation2023 - 54th International Liège Colloquium on Ocean Dynamics : Machine Learning and Data Analysis in Oceanography, May 2023, Liège, Belgium. , pp.1-1 |
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State-dependent Preconditioning for Data AssimilationISDA 2023 - 9th International Symposium on Data Assimilation, Oct 2023, Bologne, Italy. , pp.1-1, 2023 |
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Regret-based calibration using GPsJournées CIROQUO 2022, May 2022, Grenoble, France |
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Prise en compte d'incertitudes externes dans l'estimation de paramètres d'un modèle de transfert d'eau et de pesticides à l'échelle du bassin versantOZCAR 2022 - OZCAR Summer school, "la science de la zone critique", Jul 2022, Barcelonette, France. pp.1-1 |
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How to reduce uncertainties in a coupled and spatialized water quality model using data assimilation?vEGU21 - European Geosciences Union, Apr 2021, Vienne, Austria. pp.1 |
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How well mesoscale eddies are represented in oceanic models?2021 - ECMWF/OceanPredict workshop on Advances in Ocean Data Assimilation, May 2021, Shinfield Park, United Kingdom |
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Adaptive Image Assimilation for 2D Velocity ReconstructionAOGS 2019 - 16th Annual Meeting Asia Oceania Geosciences Society, Jul 2019, Singapore, Singapore |
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Assimilation of image data into a spatialized water and pesticide flux modelCMWR 2018 - XXII Computational Methods in Water Resources, Jun 2018, Saint-Malo, France. pp.1, 2018 |
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Data assimilation of image data into a spatialized water and pesticide fluxes modelCNA-2016 : Colloque National d'Assimilation de Données 2016, Nov 2016, Grenoble, France. pp.1, 2016 |
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Optimal Transportation for Data Assimilation5th International Symposium for Data Assimilation (ISDA 2016), Jul 2016, Reading, United Kingdom. , 2016 |
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Data assimilation of image data into a spatialized water and pesticide fluxes modelWorkshop on Data Assimilation in Terrestrial Systems, Sep 2016, Bonn, Germany. pp.1, 2016 |
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Taking into account correlated observation errors by progressive assimilation of multiscale informationAmerican Geophysical Union Fall Meeting, Dec 2016, San Francisco, United States. 2016 |
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Toward variational data assimilation for coupled models: first experiments on a diffusion problemISDA 2016, Jul 2016, Reading, United Kingdom. 2016 |
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Application of optimal transport to data assimilationSpecial semester on new trends in calculus of variation, Dec 2014, Linz, Austria |
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Toward variational assimilation of SARAL/Altika altimeter data in a North Atlantic circulation model at eddy-permitting resolution: assessment of a NEMO-based 4D-VAR systemOST/ST Altimetry 2014, Oct 2014, Konstanz, Germany |
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Utilisation du transport optimal pour l'assimilation de donnéesColloque National sur l'Assimilation de données (CNA), Dec 2014, Toulouse, France. 2014 |
The SEABASS reference configuration of NEMO: a demonstrator of NEMO-ASSIM toolsColloque National sur l'Assimilation de Données, Dec 2013, Toulouse, France |
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Robust calibration with stochastic emulators: hydrological model parameter estimation under uncertain rainfall conditions2026 |
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State-dependent preconditioning for the inner-loop in Variational Data Assimilation using Machine Learning2025 |
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Updates to the Met Office’s global ocean-sea ice forecasting system including model and data assimilation changes2025 |
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Report on the use of 3D or 4D-Var for the ocean component in the coupled data assimilation context2017 |
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Progressive assimilation of multiscale observations2016 |
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Accounting for Missing Data in Sparse Wavelet Representation of Observation Error Correlations2015 |
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Effect of forcing uncertainty in the sensitivity and calibration of a pesticide transfer modelSAMO 2025 - 11th International Conference on Sensitivity Analysis of Model Output, Apr 2025, Grenoble, France |
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Calibration robuste d'un modèle hydrologique de transfert de pesticides par métamodélisationJMSC 2024 - 5ème édition des Journées de Modélisation des Surfaces Continentales, Jun 2024, Strasbourg, France. pp.1-49 |
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Robust calibration of a water and pesticide transfer model at the catchment scalemexico 2024 - Rencontres annuelles du réseau Mexico, INRAE Lyon-Villeurbanne, Dec 2024, Villeurbanne, France |
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Consideration of external uncertainties in the estimation of parameters of a water and pesticide transfer model at the watershed scale3ème Séminaire du réseau Eaux et systèmes agricoles, Feb 2023, Montpellier, France |
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Calibrating a hydrological model robustly to rain perturbations with stochastic surrogatesLEFE/MANU 2023 - Colloque sur les Méthodes mathématiques et numériques, Météo France, Jun 2023, Toulouse, France |
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Sensitivity analysis with external stochastic forcings : application to a water and pesticide transfer modelMEXICO 2023 - Rencontres annuelles du réseau Mexico, AgroParisTech, Dec 2023, Palaiseau, France. pp.1-36 |
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Robust calibration of a hydrological model with stochastic surrogatesMASCOT-NUM 2023 - Workshop Méthodes d'Analyse Stochastique pour les Codes et Traitement NUMériques, Julien Bect (Université Paris-Saclay, CNRS, CentraleSupélec, L2S); Nicolas Bousquet (EDF R&D); Bertrand Iooss (EDF R&D) Anthony Nouy (Centrale Nantes, LMJL); Sidonie Lefebvre (ONERA, DOTA); Anthony Nouy (Centrale Nantes, LMJL); Emmanuel Vazquez (Université Paris-Saclay, CNRS, CentraleSupélec, L2S), Apr 2023, Le Croisic, France. pp.1-2 |
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Data assimilation to quantify and reduce uncertainty in ecohydrology modellingSéminaire ITES 2023, ITES, Nov 2023, Strasbourg, France |
Which data assimilation method and data source for a multi-compartment hydrology/water quality model? Application on the PESHMELBA model in a small agricultural catchmentEGU22 - European Geosciences Union General Assembly, Européan Geosciences Union (EGU), May 2022, Vienne, Austria |
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Sensitivity analysis of a spatio-temporal hydrological model for water and pesticide transfersSAMO 2022 - Tenth International Conference on Sensitivity Analysis of Model Output, Mar 2022, Tallahassee, Florida, United States |
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Multi-sources data assimilation in a spatialized model of water and pesticide transfersJournées de Modélisation des Surfaces Continentales (JMSC) 2022, Oct 2022, Saint-Martin-d’Hères, France |
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Calibrating a Hydrological Model for Pesticide Transfer while Considering Rain UncertaintyAGU Fall Meeting 2022 - Science Leads the Future, Dec 2022, Chicago, United States. pp.1-1 |
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How can we quantify and reduce the uncertainty of a watershed-scale pesticide transfer model? A comparison of several approachesUNCECOMP 2021 - 4th International Conference on Uncertainty Quantification in Computational Sciences and Engineering, Jun 2021, Athènes, Greece. pp.1-14 |
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Assimilating surface moisture satellite images into a coupled and spatialized water quality model: strategies and challengesInternational EnKF workshop 2021, Jun 2021, Bergen, Norway. pp.1-17 |
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Sensitivity Analysis of a Spatio-Temporal Hydrological Model for Pesticide TransfersRencontres MEXICO 2021, Nov 2021, Toulouse, France |
How can we quantify and reduce uncertainties of a catchment-scale pesticide transfer model? Application to the PESHMELBA modelRencontres Mexico 2021, Nov 2021, Toulouse, France. pp.1-31 |
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Sensitivity analysis to evaluate a new spatialized process-oriented model of water and pesticide transfers at the catchment scaleiEMSs 2020 - 10th Conference on International Environmental Modelling and Software Society, Sep 2020, Brussels, Belgium. pp.1-40 |
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How can we quantify and reduce the uncertainty of a watershed-scale pesticide transfer model? A comparison of several approachesAGU, Fall meeting 2020, Dec 2020, Online, United States. pp.1 |
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Life-time independent approach to Lagrangian vortices detectionJpGU-AGU 2020 - Joint Meeting on Japan Geoscience Union, Amercian Geophysical Union, May 2020, Makuhari, Japan. pp.1-2 |
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Toward variational data assimilation for coupled models: first experiments on a diffusion problemCARI 2016, Oct 2016, Tunis, Tunisia |
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Optimisation-Based Calibration and Model Selection for the Tranus Land Use Module14th World Conference on Transport Research, Jul 2016, Shanghai, China |
Improving coupled model solution mathematical consistency through data assimilationInternational workshop on coupled data assimilation, Oct 2016, Toulouse, France |
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Wavelet based representation of observation error covariance1st GODAE OceanView Data Assimilation Task Team (DA-TT) Workshop, May 2015, Exeter, United Kingdom |
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Contributions to the calibration of integrated land use and transportation models14th International Conference on Computers in Urban Planning and Urban Management, Jul 2015, Boston, United States |
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Formulating LUTI Calibration As an Optimisation Problem: Estimation of Tranus Shadow Price and Substitution ParametersAAAI-15 Workshop on Computational Sustainability, Jan 2015, Austin, TX, United States |
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Dealing whith occultation when accounting for observation error correlation in a wavelet space8th International Workshop on the Analysis of Multitemporal Remote Sensing Images - Multitemp 2015, Jul 2015, Annecy, France. pp.1-4, ⟨10.1109/Multi-Temp.2015.7245791⟩ |
Toward variational assimilation of SARAL/Altika altimeter data in a North Atlantic circulation model at eddy-permitting resolution: assessment of a NEMO-based 4D-VAR systemEuropean Geophysical Union General Assembly 2015, Apr 2015, Vienna, Austria |
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Optimal transport for data assimilationWorkshop transport optimal : théorie et applications, Oct 2015, Bordeaux, France |
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Global 1° 4D-var ocean reanalysis, is it worth the pain?1st GODAE OceanView Data Assimilation Task Team (DA-TT) Workshop, May 2015, Exeter, United Kingdom |
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SEABASS : une configuration de référence pour l'évaluation de systèmes d'assimilation avec le modèle de circulation océanique NEMOColloque National sur l'Assimilation de données, Dec 2014, Toulouse, France |
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Performances des méthodes variationnelles d’Assimilation de Données pour le modèle océanique NEMOColloque National sur l'Assimilation de Données, Dec 2014, Toulouse, France |
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Accounting for correlated observation errors in image data assimilationWorkshop on correlated observation errors in data assimilation, ESA - University of Reading, Apr 2014, Reading, United Kingdom |
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Accounting for correlated observation errors in image assimilationFiltering High Dimensional Complex Systems, Jun 2014, Warwick, United Kingdom |
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Accounting for correlated observation errors in image assimilationRéunion des Sciences de la Terre RST2014, Oct 2014, Pau, France |
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Formulating LUTI calibration as an optimisation problem: example of Tranus shadow-price estimationSymposium "Towards integrated modelling of urban systems", Oct 2014, Lyon, France |
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Vers une prise en compte des corrélations spatiales au sein des erreurs d’observation pour des séquences d'imagesCongrès National d'Assimilation de données, Dec 2014, Toulouse, France |
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A survey on the calibration and validation of integrated land use and transportation modelsSymposium "Towards integrated modelling of urban systems", Oct 2014, Lyon, France |
Accounting for correlated observation errors in image assimilationMicrolocal analysis and applications, Jun 2014, Nice, France |
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Accounting for correlated observation errors in image data assimilationConférence Africaine sur la Recherche en Informatique et Mathématiques Appliquées (CARI'14), Oct 2014, Saint Louis, Senegal |
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Assimilation de séquences d'images : vers une prise en compte des corrélations spatiales au sein des erreurs d'observationJournées Francophones "Extraction et Gestion des Connaissances" (EGC'14), Jan 2014, Rennes, France. pp.1-11 |
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Assimilation directe de séquences d'images de traceur passif : application aux équations de Saint-VenantColloque du Groupe de Recherche et d'Etudes de Traitement du Signal et des Images (GRETSI'13), Sep 2013, Brest, France. pp.1-4 |
The control of non-linear mesoscale ocean circulation through altimetric data assimilation revisited using a variational approachOSTST Meeting, Oct 2013, Boulder, United States |
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Multi resolution variational data assimilation system for the oceanEGU 2013 - European Geosciences Union General Assembly 2013, Apr 2013, Vienne, Austria |
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Transport optimal pour l'assimilation de données imagesAtelier prospective ARC3 Région Rhône-Alpes, Sep 2013, Lyon, France |
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Multi Resolution Variational Data Assimilation Schemes With Application to a Realistic Ocean ModelSixth WMO Symposium on Data Assimilation, Oct 2013, College Park, United States |
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Assimilation d'images et de structuresColloque du Groupe de Recherche et d'Etudes de Traitement du Signal et des Images (GRETSI'13), Sep 2013, Brest, France. pp.1-4 |
Assimilation directe de séquences d'images bruitésColloque National sur l'Assimilation de Données, Dec 2012, Nice, France |
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Assimilation directe de séquences d'imagesAdvanced data assimilation for geosciences, May 2012, Les Houches, France |
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Extensive validation and diagnostics for the tangent and adjoint models - Application to NEMO2012 Ocean Sciences Meeting, AGU, Feb 2012, Salt Lake City, United States |
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Toward Direct Data Assimilation of Image Sequences in Numerical ModelsICIAM2011 - 8th International Congress on Industrial & Applied Mathematics, Jul 2011, Vancouver, Canada |
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Assimilation of Images: A variational frameworkISEC - International Symposium on Earth-science Challenges, Sep 2011, Norman, Oklahoma, United States |
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Toward the Assimilation of ImagesAMS Annual Meeting, Jan 2011, Seattle, United States |
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Assimilation of SARAL/AltiKa data for physical ocean prediction and ecosystem monitoringSecond SARAL/AltiKa Science Workshop, Mar 2011, Ahmedabad, India |
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Assimilation of Lagrangian Data in a Variational frameworkEGU General Asembly, Apr 2011, Vienne, Austria |
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Méthodes déterministes d'analyse de sensibilitéJournée de l'Atelier Modélisation du Cluster Environnement : Méthodes d'analyse de sensibilité, Oct 2011, Grenoble, France |
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NEMOVAR, a state of the art Variational Data Assimilation system for NEMOHydrodynamic modeling of the Black Sea Dynamics, MHI-NASU, Sep 2011, Sébastopol, Ukraine |
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Régularisation par diffusion généralisée pour les problèmes inverses mal posés : application au traitement d'images en géophysiqueCANUM 2010 - 40e Congrès National d'Analyse Numérique, Société de Mathématiques Appliquées et Industrielles, May 2010, Carcans-Maubuisson, France |
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A new approach for regularization of inverse problems in images processingCARI'10 - 10th African Conference on Research in Computer Science and Applied Mathematics, Oct 2010, Yamoussoukro, Côte d’Ivoire. pp.173-180 |
Direct Assimilation of Image SequencesAltimetry for Oceans and Hydrology, EUMETSAT and CNES, Oct 2010, Lisbonne, Portugal |
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VODA: Variational Ocean Data Assimilation for multi-scale applications.Colloque National d'Assimilation de Données, INSU, Dec 2010, Grenoble, France |
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Generalised diffusion based regularization for inverse problem in image processingEngOpt 2010 - 2nd International Conference on Engineering Optimization, Technical University of Lisbon and Institute of Mechanical Engineering, Sep 2010, Lisbon, Portugal |
Direct Assimilation of Image SequencesColloque National sur l'Assimilation de Données, Éric Blayo, Marc Bocquet, Emmanuel Cosme, Olivier Talagrand, Jacques Verron, Arthur Vidard, Anne Pierson (assistance secrétariat), Dec 2010, Grenoble, France |
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Direct data assimilation of image sequences in numerical models5th WMO International Symposium on Data Assimilation, Oct 2009, Melbourne, Australia |
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Assimilation of Lagrangian Data in a Variational frameworkLAPCOD 2009 - Lagrangian Analysis and Prediction of Coastal and Ocean Dynamics, Sep 2009, La Londe Les Maures, France |
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Images as Observations in Data AssimilationNumCoop09 - Numerical methods and North-South Cooperation, Mar 2009, Yaoundé, Cameroon |
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Toward Assimilation of Sequences of Images in Numerical ModelsCSE09 - SIAM Conference on Computational Science and Engineering, Mar 2009, Miami, United States |
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Direct data assimilation of image sequencesSIAM Conference on Computational Science and Engineering, Mar 2009, Miami, United States |
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A 4D-Var SEEK smoother hybrid. Towards applications in oceanographyWWRP/THORPEX Workshop on 4D-Var and Ensemble Kalman filter inter-comparisons, Nov 2008, Buenos Aires, Argentina |
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Adapting reduced-size control subspace in hybrid data assimilationGODAE Final Symposium, Nov 2008, Nice, France |
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Hybridisation of data assimilation methods for applications in oceanography2008 Ocean Sciences Meeting, American Geophysical Union, Mar 2008, Orlando, United States |
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Assimilation of Images in Numerical Models in GeophysicsEngOpt 2008 - International Conference on Engineering Optimization, COPPE/UFRJ, Jun 2008, Rio de Janeiro, Brazil |
Une approche hybride variationnelle-stochastique pour l'assimilation de donnéesSMAI 2007 - 3e congrès national de mathématiques appliquées et industrielles, Jun 2007, Praz-sur-Arly, France |
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Hybrid method for data assimilation in oceanographyIUGG XXIV 2007 - XXIV General Assembly of the International Union of Geodesy and Geophysics, Jul 2007, Perugia, Italy |
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Altimeter Assimilation in a Global Ocean General Circulation ModelEnhancement of Data Assimilation in the Oceanographic Models, MHI, Jun 2007, Sevastopol, Ukraine |
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Impact of ARGO temperature and salinity measurements in the new ECMWF ocean analysis system, with focus on the interaction with altimeter data15 years of progress in radar altimetry, Mar 2006, Venise, Italy |
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Assimilation of altimeter data in the ECMWF ocean analysis system15 years of progress in radar altimetry, Mar 2006, Venise, Italy |
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PALM: A modular data assimilation systemThird international symposium on assimilation of observations in meteorology and oceanography, WMO, Jun 1999, Québec City, Canada |