Publications by authors named "Frederic Champagnat"

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Abel inversion from central-projection background oriented schlieren observations for reconstruction of axisymmetric refractive media.
Frédéric Champagnat, Aurélien Plyer, Olivier Léon, Philippe Cornic, David Donjat

Appl Opt· January 2025

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Embedded Processing for Extended Depth of Field Imaging Systems: From Infinite Impulse Response Wiener Filter to Learned Deconvolution.
Alice Fontbonne, Pauline Trouvé-Peloux, Frédéric Champagnat, Gabriel Jobert, Guillaume Druart

Sensors (Basel)· November 2023

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Learning local depth regression from defocus blur by soft-assignment encoding.
Rémy Leroy, Pauline Trouvé-Peloux, Bertrand Le Saux, Benjamin Buat, Frédéric Champagnat

Appl Opt· October 2022

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Learning scene and blur model for active chromatic depth from defocus.
Benjamin Buat, Pauline Trouvé-Peloux, Frédéric Champagnat, Guy Le Besnerais

Appl Opt· November 2021

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Compact multichannel infrared camera integrated in an operational detector dewar cooler assembly.
Florence de la Barrière, Guillaume Druart, Nicolas Guérineau, Frédéric Champagnat, Aurélien Plyer

Appl Opt· June 2018

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Theoretical performance model for single image depth from defocus.
Pauline Trouvé-Peloux, Frédéric Champagnat, Guy Le Besnerais, Jérôme Idier

J Opt Soc Am A Opt Image Sci Vis· December 2014

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Passive depth estimation using chromatic aberration and a depth from defocus approach.
Pauline Trouvé, Frédéric Champagnat, Guy Le Besnerais, Jacques Sabater, Thierry Avignon

Appl Opt· October 2013

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Background first- and second-order modeling for point target detection.
Laure Genin, Frédéric Champagnat, Guy Le Besnerais

Appl Opt· November 2012

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Statistical performance modeling for superresolution: a discrete data-continuous reconstruction framework.
Frédéric Champagnat, Guy Le Besnerais, Caroline Kulcsár

J Opt Soc Am A Opt Image Sci Vis· July 2009

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An improved observation model for super-resolution under affine motion.
Gilles Rochefort, Frédéric Champagnat, Guy Le Besnerais, Jean-François Giovannelli

IEEE Trans Image Process· November 2006

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B-spline image model for energy minimization-based optical flow estimation.
Guy Le Besnerais, Frédéric Champagnat

IEEE Trans Image Process· October 2006

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Point target detection and subpixel position estimation in optical imagery.
Vincent Samson, Frédéric Champagnat, Jean-François Giovannelli

Appl Opt· January 2004

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