709 citations
- Institut National Polytechnique de ToulouseFR61 papers
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4 papers · 1 filter
On the Convergence of a Non-linear Ensemble Kalman Smoother
El houcine Bergou, Serge Gratton, Jan Mandel
Ensemble methods, such as the ensemble Kalman filter (EnKF), the local ensemble transform Kalman filter (LETKF), and the ensemble Kalman smoother (EnKS) are widely used in sequenti…
Hyperspectral and Multispectral Image Fusion based on a Sparse Representation
Qi Wei, José Bioucas-Dias, Nicolas Dobigeon +1
This paper presents a variational based approach to fusing hyperspectral and multispectral images. The fusion process is formulated as an inverse problem whose solution is the targ…
Credible Autocoding of Convex Optimization Algorithms
Timothy Wang, Romain Jobredeaux, Marc Pantel +3
The efficiency of modern optimization methods, coupled with increasing computational resources, has led to the possibility of real-time optimization algorithms acting in safety cri…
Nonlinear hyperspectral unmixing with robust nonnegative matrix factorization
Cédric Févotte, Nicolas Dobigeon
This paper introduces a robust mixing model to describe hyperspectral data resulting from the mixture of several pure spectral signatures. This new model not only generalizes the c…