Search Results - "Carfantan, Herve"

Precession and obliquity forcing of the South African monsoon revealed by sub-tropical fires by Daniau, Anne-Laure, Loutre, Marie-France, Swingedouw, Didier, Laepple, Thomas, Bassinot, Franck, Malaizé, Bruno, Kageyama, Masa, Charlier, Karine, Carfantan, Hervé

“…While the influence of precession on monsoon at low latitudes through insolation forcing is well-known, the role of obliquity is still debated since its…”
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Efficient Sampling of Bernoulli-Gaussian-Mixtures for Sparse Signal Restoration by Amrouche, Mehdi, Carfantan, Herve, Idier, Jerome

“…This paper introduces a new family of prior models called Bernoulli-Gaussian-Mixtures (BGM), with a view to efficiently address sparse linear inverse problems…”
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Exact Sparse Approximation Problems via Mixed-Integer Programming: Formulations and Computational Performance by Bourguignon, Sebastien, Ninin, Jordan, Carfantan, Herve, Mongeau, Marcel

“…Sparse approximation addresses the problem of approximately fitting a linear model with a solution having as few non-zero components as possible. While most…”
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Time-invariant orthonormal wavelet representations by Pesquet, J.-C., Krim, H., Carfantan, H.

“…A simple construction of an orthonormal basis starting with a so-called mother wavelet, together with an efficient implementation gained the wavelet…”
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Calibration of programmable spectral imager with dual disperser architecture by Hemsley, Elizabeth, Lacroix, Simon, Carfantan, Hervé, Monmayrant, Antoine

“…We present a hyperspectral imager with a dual disperser architecture, which is highly re-configurable thanks to the use of a digital micro-mirror device (DMD)…”
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Fast reconstruction of hyperspectral images from coded acquisitions using a separability assumption by Hemsley, Elizabeth, Ardi, Ibrahim, Rouvier, Tony, Lacroix, Simon, Carfantan, Hervé, Monmayrant, Antoine

“…We present a fast reconstruction algorithm for hyperspectral images, utilizing a small amount of data without the need for any training. The method is…”
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Statistical Destriping of Pushbroom-Type Images Based on an Affine Detector Response by Amrouche, Mehdi, Carfantan, Herve, Idier, Jerome, Martin, Vincent

“…Remote sensing pushbroom-type imaging systems acquire entire columns of an image with a single detector. As a consequence, the miss-calibration of the…”
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Nonlinear Deconvolution of Hyperspectral Data With MCMC for Studying the Kinematics of Galaxies by Villeneuve, Emma, Carfantan, Herve

“…Hyperspectral imaging has been an area of active research in image processing and analysis for more than 10 years, mainly for remote sensing applications…”
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Statistical Linear Destriping of Satellite-Based Pushbroom-Type Images by Carfantan, H., Idier, J.

“…This paper introduces a new self-calibration destriping technique for pushbroom-type satellite imaging systems. Self-calibration means that no specific…”
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A Sparsity-Based Method for the Estimation of Spectral Lines From Irregularly Sampled Data by Bourguignon, S., Carfantan, H., Idier, J.

“…We address the problem of estimating spectral lines from irregularly sampled data within the framework of sparse representations. Spectral analysis is…”
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Sparse Branch and Bound for Exact Optimization of L0-Norm Penalized Least Squares by Mhenni, Ramzi Ben, Bourguignon, Sebastien, Mongeau, Marcel, Ninin, Jordan, Carfantan, Herve

“…We propose a global optimization approach to solve ℓ 0 -norm penalized least-squares problems, using a dedicated branch-and-bound methodology. A specific tree…”
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On the Reduction of the Systematic Error in Imaging Radiometry by Aperture Synthesis: A New Approach for the SMOS Space Mission by Khazaal, A., Carfantan, H., Anterrieu, E.

“…The Soil Moisture and Ocean Salinity (SMOS) mission is a European Space Agency project aimed at global monitoring of surface SMOS from radiometric L-band…”
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Fast Hyperspectral Cube Reconstruction for a Double Disperser Imager by Ardi, Ibrahim, Carfantan, Herve, Lacroix, Simon, Monmayrant, Antoine

“…We consider the problem of hyperspectral cube reconstruction with a new controllable imaging system. The reconstruction with a small number of images acquired…”
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Fast, Frugal Image Reconstruction with a Dual Disperser Hyperspectral Imager by Hemsley, Elizabeth, Ardi, Ibrahim, Lacroix, Simon, Carfantan, Herve, Monmayrant, Antoine

“…Recently we demonstrated the reconstruction of a hyperspectral datacube with 110 wavelength bands from 10 camera acquisitions [1] . The implementation of this…”
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Fast reconstruction of hyperspectral images from coded acquisitions using a separability assumption: erratum by Hemsley, Elizabeth, Ardi, Ibrahim, Rouvier, Tony, Lacroix, Simon, Carfantan, Hervé, Monmayrant, Antoine

“…We present an erratum to our publication [Opt. Express30(5), 8174 (2022)10.1364/OE.448893] correcting a numerical value without affecting the results and…”
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Hyperspectral data deconvolution for galaxy kinematics with MCMC by Villeneuve, E., Carfantan, H.

“…The development of hyperspectral instruments requires new methods for data processing and analysis. We focus in this work on the estimation of the flux,…”
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A Partially Collapsed Gibbs Sampler for Unsupervised Nonnegative Sparse Signal Restoration by Amrouche, M. C., Carfantan, H., Idier, J.

“…In this paper the problem of restoration of unsupervised nonnegative sparse signals is addressed in the Bayesian framework. We introduce a new probabilistic…”
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Sampling schemes and parameter estimation for nonlinear Bernoulli-Gaussian sparse models by Boudineau, Megane, Carfantan, Herve, Bourguignon, Sebastien, Bazot, Michael

“…We address the sparse approximation problem in the case where the data are approximated by the linear combination of a small number of elementary signals, each…”
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Separation of stellar spectra from hyperspectral images using particle filtering constrained by a parametric spatial mixing model by Selloum, Ahmed, Deville, Yannick, Carfantan, Herve

“…In a hyperspectral image of a dense stellar field, each pixel is a mixture of contributions from the star spectra. Indeed, because of the data acquisition…”
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New methods for fitting multiple sinusoids from irregularly sampled data by Bourguignon, Sébastien, Carfantan, Hervé

“…A novel framework is proposed for the estimation of multiple sinusoids from irregularly sampled time series. This spectral analysis problem is addressed as an…”
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