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Assimilation de température de surface par filtre de Kalman de transformation d'ensemble pondéré

Beyou Sébastien 1 Cuzol Anne 1 Gorthi Sai 1 Etienne Mémin 1 
1 FLUMINANCE - Fluid Flow Analysis, Description and Control from Image Sequences
CEMAGREF - Centre national du machinisme agricole, du génie rural, des eaux et forêts, Inria Rennes – Bretagne Atlantique
Abstract : This paper presents a novel, efficient scheme for the analysis of Sea Surface Temperature (SST) ocean images. We consider the estimation of the velocity fields and vorticity values from a sequence of oceanic images. The contribution of this paper lies in proposing a novel, robust and simple approach based onWeighted Ensemble Transform Kalman filter (WETKF) data assimilation technique for the analysis of real SST images, that may contain coast regions or large areas of missing data due to the cloud cover.
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https://hal.inria.fr/hal-00694780
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Submitted on : Sunday, May 6, 2012 - 5:12:40 PM
Last modification on : Friday, January 21, 2022 - 3:54:15 AM

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  • HAL Id : hal-00694780, version 1

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Beyou Sébastien, Cuzol Anne, Gorthi Sai, Etienne Mémin. Assimilation de température de surface par filtre de Kalman de transformation d'ensemble pondéré. Colloque sur le Traitement du Signal et des Images (GRETSI), Sep 2011, Bordeaux, France. ⟨hal-00694780⟩

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