Christian GERMAIN est Professeur d’Informatique à Bordeaux Sciences Agro, école d’ingénieurs en agronomie. Il y enseigne les technologies de l’information et leur application à l’agriculture et à l’environnement. Il est chercheur en analyse d’image au laboratoire IMS, avec des applications variées en télédétection et en imagerie agricole embarquée. Auteur de plus de 200 articles et communications scientifiques, il participe à de nombreux projets collaboratifs avec des entreprises de toutes tailles, à l’échelon régional, national ou européen. Christian Germain est co-titulaire de la chaire d’entreprises « AgroTIC » qui regroupe 29 entreprises mécènes et vise à promouvoir les usages des outils numériques pour l’agriculture et il est le responsable scientifique du DigiLab, plateforme ouverte d’expérimentation d’outils numériques pour la viti-vini culture.
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Christian GERMAIN is Professor of Computer Science at Bordeaux Sciences Agro, an engineering school in agronomy. He teaches information technologies and their application to agriculture and the environment. He is a researcher in image processing at the IMS laboratory, with various applications in remote sensing and on-board agricultural imagery. Author of more than 200 scientific articles and communications, he participates in numerous collaborative projects with companies of all sizes, at regional, national or European level. Christian Germain is co-holder of the “AgroTIC” chair, which brings together 29 corporate sponsors and aims to promote the use of digital tools for agriculture. He is also the scientific coordinator of the DigiLab, open platform for experimenting digital solution for vineyards and winemaking.
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Simplified Marching Cubes: an efficient discretization scheme for simulations of deposition/ablation in complex media Auteur(s): Gerard L. Vignoles, Marc Donias, Christianne Mulat, Christian Germain, Jean-François Delesse Lien HAL : https://hal.science/hal-00584763 Benefits of X-Ray CMT for the Modeling of C/C Composites Auteur(s): Olivia Coindreau, Christianne Mulat, Christian Germain, Jean Lachaud, Gerard L. Vignoles Lien HAL : https://hal.science/hal-00584778 Designing a Proximal Sensing Camera Acquisition System for Vineyard Applications: Results and Feedback on 8 Years of Experiments Auteur(s): Florian Rançon, Barna Keresztes, Aymeric Deshayes, Malo Tardif, Florent Abdelghafour, Gael Fontaine, Jean-Pierre da Costa, Christian Germain Lien HAL : https://hal.inrae.fr/hal-03997313 A time-dependent atomistic reconstruction of severe irradiation damage and associated property changes in nuclear graphite Auteur(s): Baptiste Farbos, Helen Freeman, Trevor Hardcastle, Jean-Pierre da Costa, Rik Brydson, Andrew Scott, Patrick Weisbecker, Christian Germain, Gerard L. Vignoles, Jean-Marc Leyssale Lien HAL : https://hal.science/hal-01717043 An annotated image dataset of downy mildew symptoms on Merlot grape variety Auteur(s): Florent Abdelghafour, Barna Keresztes, Aymeric Deshayes, Christian Germain, Jean-Pierre da Costa Lien HAL : https://hal.inrae.fr/hal-03325588 A Bayesian framework for joint structure and colour based pixel-wise classification of grapevine proximal images Auteur(s): Florent Abdelghafour, Roxana Rosu, Barna Keresztes, Christian Germain, Jean-Pierre da Costa Lien HAL : https://hal.science/hal-02518375 In field detection of downy mildew symptoms with proximal colour imaging Auteur(s): Florent Abdelghafour, Barna Keresztes, Christian Germain, Jean-Pierre da Costa Lien HAL : https://hal.inrae.fr/hal-02951597 Ensemble Learning Approaches Based on Covariance Pooling of CNN Features for High Resolution Remote Sensing Scene Classification Auteur(s): Sara Akodad, Lionel Bombrun, Junshi Xia, Yannick Berthoumieu, Christian Germain Lien HAL : https://hal.science/hal-02967495 A survey of exemplar-based texture synthesis methods Auteur(s): Adib Akl, Charles Yaacoub, Marc Donias, Jean-Pierre da Costa, Christian Germain Lien HAL : https://hal.science/hal-02509437 Comparison of SIFT Encoded and Deep Learning Features for the Classification and Detection of Esca Disease in Bordeaux Vineyards Auteur(s): Florian Rançon, Lionel Bombrun, Barna Keresztes, Christian Germain Lien HAL : https://hal.science/hal-02294893 Complémentarité des images Pléiades et drone pour la viticulture de précision dans le cadre du programme EarthLab Auteur(s): Christelle Barbey, Jérôme Helbert, Arnaud Jaën, Elodie Pagot, Jean-Charles Samalens, Lilian Valette, Christian Germain, Dominique Guyon, Jean Pierre Wigneron Lien HAL : https://hal.science/hal-01716769 Nanoscale structure and texture of highly anisotropic pyrocarbons revisited with transmission electron microscopy, image processing, neutron diffraction and atomistic modeling Auteur(s): B. Farbos, P. Weisbecker, H.E. Fischer, Jean-Pierre da Costa, M. Lalanne, G. Chollon, Christian Germain, G.L. Vignoles, J.-M. Leyssale Lien HAL : https://hal.science/hal-01717019 Polarimetric radar image classication using directional diffusion and descriptive statistics Auteur(s): Romulus Terebes, Raul Malutan, Monica Borda, Christian Germain, Lionel Bombrun, Ioana Ilea Lien HAL : https://hal.science/hal-01930194 Wavelet-Based Texture Features for the Classification of Age Classes in a Maritime Pine Forest Auteur(s): Olivier Regniers, Lionel Bombrun, Dominique Guyon, Jean-Charles Samalens, Christian Germain Lien HAL : https://hal.science/hal-01716751 Potential of on-board colour imaging for in-field detection and counting of grape bunches at early fruiting stages Auteur(s): F. Abdelghafour, B. Keresztes, C. Germain, Jean-Pierre da Costa Lien HAL : https://hal.science/hal-01715910 Orientation-guided two-scale approach for the segmentation and quantitative description of woven bundles of fibers from three-dimensional tomographic images Auteur(s): Cedric Chapoullie, Jean-Pierre da Costa, Michel Cataldi, Gerard L. Vignoles, Christian Germain Lien HAL : https://hal.science/hal-01717054 Synthesis of arbitrary-shaped textures constrained by the structure tensor field Auteur(s): Adib Akl, Charles Yaacoub, Marc Donias, Jean-Pierre da Costa, Christian Germain Lien HAL : https://hal.science/hal-01717044 Spatial pattern analysis of flavescence dorée repartition in vineyards from the Bordeaux region Auteur(s): Florian Rançon, Lionel Bombrun, Barna Keresztes, Christian Germain Lien HAL : https://hal.science/hal-01647929 Spectral-Spatial Rotation Forest for Hyperspectral Image Classification Auteur(s): Junshi Xia, Lionel Bombrun, Yannick Berthoumieu, Christian Germain, Peijun Du Lien HAL : https://hal.science/hal-01647598 Supervised Classification of Very High Resolution Optical Images Using Wavelet-Based Textural Features Auteur(s): Olivier Regniers, Lionel Bombrun, Virginie Lafon, Christian Germain Lien HAL : https://hal.science/hal-01316398 An M-Estimator for Robust Centroid Estimation on the Manifold of Covariance Matrices Auteur(s): Ioana Ilea, Lionel Bombrun, Romulus Terebes, Monica Borda, Christian Germain Lien HAL : https://hal.science/hal-01385302 Texture synthesis using the structure tensor Auteur(s): Adib Akl, Charles Yaacoub, Marc Donias, Jean-Pierre da Costa, Christian Germain Lien HAL : https://hal.science/hal-01267069 Spectral-Spatial Classification of Hyperspectral Images Using ICA and Edge-Preserving Filter via an Ensemble Strategy Auteur(s): Junshi Xia, Lionel Bombrun, Tülay Adali, Yannick Berthoumieu, Christian Germain Lien HAL : https://hal.science/hal-01379723 Investigating carbon materials nanostructure using image orientation statistics Auteur(s): Jean-Pierre da Costa, P. Weisbecker, B. Farbos, J.-M. Leyssale, G.L. Vignoles, C. Germain Lien HAL : https://hal.science/hal-01120268 Maximum-likelihood based synthesis of volumetric textures from a 2D sample Auteur(s): Radu-Dragos Urs, Jean-Pierre da Costa, Christian Germain Lien HAL : https://hal.science/hal-00978375 Modélisation de texture basée sur les ondelettes pour la détection de parcelles viticoles à partir d'images Pleiades panchromatiques Auteur(s): Olivier Regniers, Lionel Bombrun, Christian Germain Lien HAL : https://hal.science/hal-01084325 Stereological Estimation of Orientation Distribution of Generalized Cylinders from a Unique 2D Slice Auteur(s): Jean-Pierre da Costa, Stefan Oprean, Pierre Baylou, Christian Germain Lien HAL : https://hal.science/hal-00904011 Structural features of pyrocarbon atomistic models constructed from transmission electron microscopy images Auteur(s): Jean-Marc Leyssale, Jean-Pierre da Costa, Christian Germain, Patrick Weisbecker, Gérard Vignoles Lien HAL : https://hal.science/hal-00773213 Retrieval of Forest Stand Age From SAR Image Texture for Varying Distance and Orientation Values of the Gray Level Co-Occurrence Matrix Auteur(s): Isabelle Champion, Christian Germain, Jean-Pierre da Costa, Arnaud Alborini, Pascale Dubois-Fernandez Lien HAL : https://hal.science/hal-00903994 Unsupervised segmentation based on Von Mises circular distributions for orientation estimation in textured images Auteur(s): Jean-Pierre da Costa, Frédéric Galland, Antoine Roueff, Christian Germain Lien HAL : https://hal.science/hal-00700943 Pearson Random Walk algorithms for fiber-scale modeling of chemical vapor infiltration Auteur(s): Gerard L. Vignoles, William Ros, Christianne Mulat, Olivia Coindreau, Christian Germain Lien HAL : https://hal.science/hal-00584762 Modelling Infiltration of Fibre Preforms From X-ray Tomography Data Auteur(s): Gerard L. Vignoles, William Ros, Ivan Szelengowicz, Christianne Mulat, Christian Germain, Marc Donias Lien HAL : https://hal.science/hal-00584768 Simulation of chemical vapor infiltration and deposition based on 3D images: a local scale approach Auteur(s): William Ros, Gérard L. Vignoles, Christian Germain, Philippe Supiot, Georges Kokkoris Lien HAL : https://hal.science/hal-00624480 A NOVEL DIFFUSION FILTER FOR IMAGE RESTORATION AND ENHANCEMENT Auteur(s): Romulus Terebes, Monica Borda, Sorin Pop, Olivier Lavialle, Christian Germain, Cosmin V. Ludusan Lien HAL : https://hal.science/hal-00584764 An image-guided atomistic reconstruction of pyrolytic carbons Auteur(s): Jean-Marc Leyssale, Jean-Pierre da Costa, Christian Germain, Patrick Weisbecker, Gerard L. Vignoles Lien HAL : https://hal.science/hal-00484786 Confidence Bounds for the Estimation of the Volume Phase Fraction from a Single Image in a Nickel Base Superalloy Auteur(s): Rémi Blanc, Pierre Baylou, Christian Germain, Jean-Pierre da Costa Lien HAL : https://hal.science/hal-00484775 Abundance weighting for improved vegetation mapping in row crops. Application to vineyard vigour monitoring Auteur(s): Saeid Homayouni, Christian Germain, Olivier Lavialle, Gilbert Grenier, Jean-Pascal Goutouly, Cornelis van Leeuwen, Jean-Pierre da Costa Lien HAL : https://hal.science/hal-00345557 Assessment of Texture Stationarity using the Asymptotic Behavior of the Empirical Mean and Variance Auteur(s): Rémi Blanc, Jean-Pierre da Costa, Youssef Stitou, Pierre Baylou, Christian Germain Lien HAL : https://hal.science/hal-00321867 Axis detection of cylindrical objects in 3-D images Auteur(s): Christianne Mulat, Marc Donias, Pierre Baylou, Gérard Vignoles, Christian Germain Lien HAL : https://hal.science/hal-00326703 Estimating Local Multiple Orientations Auteur(s): Franck Michelet, Jean-Pierre da Costa, Olivier Lavialle, Yannick Berthoumieu, Pierre Baylou, Christian Germain Lien HAL : https://hal.science/hal-00166478 Fiber orientation measurements in composite materials Auteur(s): Rémi Blanc, Christian Germain, Jean-Pierre da Costa, Pierre Baylou, Michel Cataldi Lien HAL : https://hal.science/hal-00166465 Dynamic Particule Systems For Object Structure Extraction Auteur(s): Olivier Lavialle, Franck Angella, Christian Germain, Pierre Baylou Lien HAL : https://hal.science/hal-00160752 Multiscale estimation of vector field anisotropy. Application to texture characterization. Auteur(s): Christian Germain, Jean-Pierre da Costa, Olivier Lavialle, Pierre Baylou Lien HAL : https://hal.science/hal-00160721 A New Adaptive Framework for Unbiased Orientation Estimation in Textured Images. Auteur(s): Franck Le Pouliquen, Jean-Pierre da Costa, Christian Germain, Pierre Baylou Lien HAL : https://hal.science/hal-00166456 Microstructure reconstruction of fibrous C/C composites from X-ray microtomography Auteur(s): Julio Martin-Herrero, Christian Germain Lien HAL : https://hal.science/hal-00166485 Estimating the section elevation angle of cubes on a cubic mesh. Application to nickel microstructure size estimation. Auteur(s): Christian Germain, Rémi Blanc, Marc Donias, Olivier Lavialle, Jean-Pierre da Costa, Pierre Baylou Lien HAL : https://hal.science/hal-00166461 Optimal orientation estimators for detection of cylindrical objects Auteur(s): Christianne Mulat, Marc Donias, Pierre Baylou, Gérard Vignoles, Christian Germain Lien HAL : https://hal.science/hal-00188509 Delineation of Vine Parcels by Segmentation of High Resolution Remote Sensed Images Auteur(s): Jean-Pierre da Costa, Franck Michelet, Christian Germain, Olivier Lavialle, Gilbert Grenier Lien HAL : https://hal.science/hal-00166474 Seismic Fault Preserving Diffusion Auteur(s): Olivier Lavialle, Sorin Pop, Christian Germain, Marc Donias, Sebastien Guillon, Naamen Keskes, Yannick Berthoumieu Lien HAL : https://hal.science/hal-00166722Poster communication (3)
Embedded vision system and algorithms for early weed vs. crop discrimination within the row Auteur(s): Louis Lac, Gary Gréteau, Barna Keresztes, Florian Rançon, Alain Bardet, Christian Germain Lien HAL : https://hal.science/hal-02518590 Wavelet based texture modeling for VHR image classification: application to the differentiation of maritime pine forest age classes Auteur(s): Olivier Regniers, Lionel Bombrun, Dominique Guyon, Jean-Charles Samalens, Christian Germain Lien HAL : https://hal.inrae.fr/hal-02801699 Internet of food and farming Auteur(s): Barna Keresztes, Christian Germain, Jean-Pierre da Costa Lien HAL : https://hal.science/hal-01831512Book sections (4)
Remote Sensing Scene Classification Based on Covariance Pooling of Multi-layer CNN Features Guided by Saliency Maps Auteur(s): Sara Akodad, Lionel Bombrun, Christian Germain, Yannick Berthoumieu Lien HAL : https://hal.science/hal-03768102 Les capteurs, ces cinq sens de l’environnement Auteur(s): Corinne Dejous, Christian Germain Lien HAL : https://hal.science/hal-02299730 Texture, color and frequential proxy-detection image processing for crop characterization in a context of precision agriculture Auteur(s): Frédéric Cointault, L. Journaux, Gilles Rabatel, C. Germain, D. Ooms, M.F. Destain, N. Gorretta, G. Grenier, O. Lavialle, A. Marin Lien HAL : https://hal.science/hal-00751478 Texture, color and frequential proxy-detection image processing for crop characterization in a context of Precision Agriculture Auteur(s): Frédéric Cointault, Ludovic Journaux, Gilles Rabatel, Christian Germain, David Ooms, Marie-France Destain, Gilbert Grenier, Olivier Lavialle, Ambroise Marin Lien HAL : https://hal.science/hal-00714438Conference proceedings (121)
Deep Ensemble Learning Model Based on Covariance Pooling of Multi-Layer CNN Features Auteur(s): Sara Akodad, Lionel Bombrun, Maria Puscasu, Junshi Xia, Christian Germain, Yannick Berthoumieu Lien HAL : https://hal.science/hal-04263872 Détection des symptômes de maladies du bois par proxi et télédétection Auteur(s): Florian Rançon, Lionel Bombrun, Christian Germain, Elodie Pagot Lien HAL : https://hal.science/hal-04263898 A Gaussian mixture model with multiple tangent planes Auteur(s): Sara Akodad, Lionel Bombrun, Christian Germain, Yannick Berthoumieu Lien HAL : https://hal.science/hal-04296678 Modèle d'ensemble d'apprentissage profond basé sur la représentation au second ordre de descripteurs multi-couches d'un CNN Auteur(s): Sara Akodad, Lionel Bombrun, Yannick Berthoumieu, Christian Germain Lien HAL : https://hal.science/hal-04263890 On-board colour imaging for the detection of downy mildew Auteur(s): Florent Abdelghafour, Florian Rançon, Barna Keresztes, Christian Germain, Jean-Pierre da Costa Lien HAL : https://hal.science/hal-02518575 Joint structure and colour based parametric classification of grapevine organs from proximal images through several critical phenological stages Auteur(s): Florent Abdelghafour, Roxana Rosu, Barna Keresztes, Christian Germain, Jean-Pierre da Costa Lien HAL : https://hal.science/hal-02518546 Statistical hypothesis test for maritime pine forest SAR images classification based on the geodesic distance Auteur(s): Ioana Ilea, Lionel Bombrun, Christian Germain, Isabelle Champion, Romulus Terebes, Monica Borda Lien HAL : https://hal.inrae.fr/hal-02740462 Estimation of vine shoot morphology and volume based on computer vision and image processing Auteur(s): Barna Keresztes, Liantsoa Rabemanantsoa, Christian Germain, Jean-Pierre da Costa Lien HAL : https://hal.science/hal-02518567 Indicateurs de biomasse sur l’imagerie SAR Auteur(s): Isabelle Champion, C. Germain, J.-P. da Costa, Pascale Dubois-Fernandez, Xavier Dupuis, P. Borderies, Ludovic Villard Lien HAL : https://hal.inrae.fr/hal-02806385 Cluster Kernel For Learning Similarities Between Symmetric Positive Definite Matrix Time Series Auteur(s): Sara Akodad, Lionel Bombrun, Yannick Berthoumieu, Christian Germain Lien HAL : https://hal.science/hal-02959479 Real-time Fruit Detection Using Deep Neural Networks Auteur(s): Barna Keresztes, Florent Abdelghafour, Dimby Randriamanga, Jean-Pierre da Costa, Christian Germain Lien HAL : https://hal.science/hal-02518559 Fusion d'images non locale préservant la géométrie Auteur(s): Anaïs Gastineau, Jean-François Aujol, Yannick Berthoumieu, Christian Germain Lien HAL : https://hal.science/hal-02477526 Two-Stage volumetric texture synthesis based on structural information Auteur(s): Adib Akl, Charles Yaacoub, Marc Donias, Jean-Pierre da Costa, Christian Germain Lien HAL : https://hal.science/hal-02518513 WineNote: an IoT project to enhance the wine taste Auteur(s): Guillaume Ferré, Marwane Rezzouki, Christian Germain, Nathalie Toulon Lien HAL : https://hal.science/hal-02865496 A RESIDUAL DENSE GENERATIVE ADVERSARIAL NETWORK FOR PANSHARPENING WITH GEOMETRICAL CONSTRAINTS Auteur(s): Anaïs Gastineau, Jean-François Aujol, Yannick Berthoumieu, Christian Germain Lien HAL : https://hal.science/hal-02859866 An ensemble learning approach for the classification of remote sensing scenes based on covariance pooling of CNN features Auteur(s): Sara Akodad, Solène Vilfroy, Lionel Bombrun, Charles C Cavalcante, Christian Germain, Yannick Berthoumieu Lien HAL : https://hal.science/hal-02294876 Nanoscale Elasticity of Highly Anisotropic Pyrolytic Carbons from TEM-Based Realistic Atomistic Models Auteur(s): Baptiste Farbos, Jean-Pierre da Costa, Patrick Weisbecker, Christian Germain, Gérard L. Vignoles, Jean-Marc Leyssale Lien HAL : https://hal.science/hal-01715926 A depth and color vision system for the automated detection of grape maturity Auteur(s): Barna Keresztes, Jean-Pierre da Costa, Gilbert Grenier, Christian Germain, Xavier David-Beaulieu Lien HAL : https://hal.science/hal-01715990 Classification approach based on the product of riemannian manifolds from Gaussian parametrization space Auteur(s): Yannick Berthoumieu, Lionel Bombrun, Christian Germain, Salem Said Lien HAL : https://hal.science/hal-01716919 Vineyard Vigilant & INNovative Ecological Rover (VVINNER): an autonomous robot for automated scoring of vineyards Auteur(s): Barna Keresztes, Christian Germain, Jean-Pierre da Costa, Gilbert Grenier, Xavier David-Beaulieu, Arnaud de La Fouchardière Lien HAL : https://hal.science/hal-01716004 PolSAR image denoising using directional diffusion Auteur(s): Romulus Terebes, Monica Borda, Raul Malutan, Christian Germain, Lionel Bombrun, Ioana Ilea Lien HAL : https://hal.science/hal-01710228 Image classification based on log-Euclidean Fisher Vectors for covariance matrix descriptors Auteur(s): Sara Akodad, Lionel Bombrun, Charles Yaacoub, Yannick Berthoumieu, Christian Germain Lien HAL : https://hal.science/hal-01930156 Synthèse de Texture Contrainte par Champ de Structure Arbitraire Auteur(s): Adib Akl, Charles Yaacoub, Marc Donias, Jean-Pierre da Costa, Christian Germain Lien HAL : https://hal.science/hal-01267057 Texture image classification with Riemannian fisher vectors issued from a Laplacian model Auteur(s): Ioana Ilea, Lionel Bombrun, Christian Germain, Yannick Berthoumieu Lien HAL : https://hal.science/hal-01385369 Structure tensor based synthesis of directional textures for virtual material design Auteur(s): Adib Akl, Charles Yaacoub, Marc Donias, Jean-Pierre da Costa, Christian Germain Lien HAL : https://hal.science/hal-01266946 Two-stage color texture synthesis using the structure tensor field Auteur(s): Adib Akl, Charles Yaacoub, Marc Donias, Jean-Pierre da Costa, Christian Germain Lien HAL : https://hal.science/hal-01267013 Spectral-spatial rotation forest for hyperspectral image classification Auteur(s): Junshi Xia, Lionel Bombrun, Yannick Berthoumieu, Christian Germain, Peijun Du Lien HAL : https://hal.science/hal-01379973 Texture image classification with Riemannian fisher vectors Auteur(s): Ioana Ilea, Lionel Bombrun, Christian Germain, Romulus Terebes, Monica Borda, Yannick Berthoumieu Lien HAL : https://hal.science/hal-01379593 Multiple features learning via rotation strategy Auteur(s): Junshi Xia, Lionel Bombrun, Yannick Berthoumieu, Christian Germain Lien HAL : https://hal.science/hal-01379724 Classification of hyperspectral data with ensemble of subspace ICA and edge-preserving filtering Auteur(s): Junshi Xia, Lionel Bombrun, Tülay Adali, Yannick Berthoumieu, Christian Germain Lien HAL : https://hal.science/hal-01315337 Statistical hypothesis test for maritime pine forest SAR images classification based on the geodesic distance Auteur(s): Ioana Ilea, Lionel Bombrun, Christian Germain, Isabelle Champion, Romulus Terebes, Monica Borda Lien HAL : https://hal.science/hal-01188075 Statistical hypothesis test for robust classification on the space of covariance matrices Auteur(s): Ioana Ilea, Lionel Bombrun, Christian Germain, Romulus Terebes, Monica Borda Lien HAL : https://hal.science/hal-01228770 Classification of oyster habitats by combining wavelet-based texture features and polarimetric SAR descriptors Auteur(s): Olivier Regniers, Lionel Bombrun, Ioana Ilea, Virginie Lafon, Christian Germain Lien HAL : https://hal.science/hal-01188201 Synthèse contrainte de faisceaux de fibres dans un composite tissé Auteur(s): Cédric Chapoullié, Jean-Pierre da Costa, Christian Germain, Michel Cataldi, Gérard Vignoles Lien HAL : https://hal.science/hal-00950257 Wavelet based texture modeling for panchromatic very high resolution image classification : application to oyster racks detection Auteur(s): Olivier Regniers, Lionel Bombrun, Virginie Lafon, Aurélie Dehouck, Claire Tinel, Christian Germain Lien HAL : https://hal.science/hal-01064413 Multiscale extraction of morphological features in woven CMCs Auteur(s): Cédric Chapoullié, Christian Germain, Jean-Pierre da Costa, Gérard Vignoles, Michel Cataldi Lien HAL : https://hal.science/hal-00948484 Pixfel©, a tool for the quality assessment of apples in bulk shipping bins at harvest time. Auteur(s): Gilbert Grenier, Olivier Lavialle, Barna Keresztes, Pierre Vaysse, Patrick Reynier, Christian Germain, Jean-Pierre da Costa Lien HAL : https://hal.science/hal-00976937 Quantitative Validation Of A Multi-Scale Model Of Pyrocarbon Chemical Vapor Infiltration From Propane Auteur(s): Gérard Vignoles, William Ros, Georges Chollon, Francis Langlais, Christian Germain Lien HAL : https://hal.science/hal-00950311 Synthèse de textures volumiques basée sur la vraisemblance de patches Auteur(s): Radu Urs, Jean-Pierre da Costa, Christian Germain Lien HAL : https://hal.science/hal-00948519 Non causal non-parametric multi-scale Markov random field synthesis of volumetric textures from a unique 2D sample Auteur(s): Radu Urs, Jean-Pierre da Costa, Christian Germain Lien HAL : https://hal.science/hal-00948498 Modélisation numérique bi-échelle de l'infiltration chimique pour la préparation de composites à matrice céramique Auteur(s): Gérard Vignoles, William Ros, Ivan Szelengowicz, Christian Germain Lien HAL : https://hal.science/hal-00950249 A novel 3D anisotropic diffusion filter Auteur(s): Sorin Pop, Romulus Terebes, Jean-Pierre da Costa, Christian Germain, Monica Borda, Cosmin V. Ludusan, Olivier Lavialle Lien HAL : https://hal.science/hal-00976946 A Novel Shock Filter For Image Restoration And Enhancement Auteur(s): Romulus Terebes, Monica Borda, Christian Germain, Olivier Lavialle Lien HAL : https://hal.science/hal-00950284 Wavelet based texture modeling for the classification of very high resolution maritime pine forest images Auteur(s): Olivier Regniers, Lionel Bombrun, Dominique Guyon, Jean-Charles Samalens, Claire Tinel, Gilbert Grenier, Christian Germain Lien HAL : https://hal.science/hal-01064405 EARLY ESTIMATION OF VINEYARD YIELD: SITE SPECIFIC COUNTING OF BERRIES BY USING A SMARTPHONE Auteur(s): Mathieu Grossetete, Yannick Berthoumieu, Jean-Pierre da Costa, Christian Germain, Olivier Lavialle, Gilbert Grenier Lien HAL : https://hal.science/hal-00950298 X-Ray micro tomography of quasi-brittle materials: cracks propagation characterization Auteur(s): Grégory Hauss, Dominique Bernard, Christian Germain, Jean-Christophe Batsale Lien HAL : https://hal.science/hal-00950326 Estimating the distribution of 3D generalized cylinders angles from an image Auteur(s): Jean-Pierre da Costa, Stefan Oprean, Pierre Baylou, Christian Germain Lien HAL : https://hal.science/hal-00948511 A computational study of defects and their mobility in bulk and nano-carbons Auteur(s): Jean-Marc Leyssale, Baptiste Farbos, Patrick Weisbecker, Jean-Pierre da Costa, Christian Germain, Gérard Vignoles Lien HAL : https://hal.science/hal-00948489 Non-parametric synthesis of laminar volumetric texture Auteur(s): Radu Urs, Jean-Pierre da Costa, Jean-Marc Leyssale, Gérard Vignoles, Christian Germain Lien HAL : https://hal.science/hal-00773452 Texture based image retrieval and classification of very high resolution maritime pine forest images Auteur(s): Olivier Regniers, Jean-Pierre da Costa, Gilbert Grenier, Christian Germain, Lionel Bombrun Lien HAL : https://hal.science/hal-00878727 Nanostructure of pyrocarbons : from HRTEM imaging to 3D atomistic models Auteur(s): Jean-Marc Leyssale, Jean-Pierre da Costa, Christian Germain, Patrick Weisbecker, Antoine Villesuzanne, Gérard Vignoles Lien HAL : https://hal.science/hal-00669484 Prédiction de la structure et des propriétés de pyrocarbones à partir d'une reconstruction à l'échelle atomique Auteur(s): Jean-Marc Leyssale, Jean-Pierre da Costa, Christian Germain, Patrick Weisbecker, Gerard L. Vignoles Lien HAL : https://hal.science/hal-00669499 Algorithmes non paramétriques pour la synthèse de textures volumiques à partir d'un exemple 2D Auteur(s): Radu Urs, Jean-Pierre da Costa, Jean-Marc Leyssale, Gérard Vignoles, Christian Germain Lien HAL : https://hal.science/hal-00669472 An atomistic reconstruction of the nanostructure of pyrolitic carbons guided by HRTEM data Auteur(s): Jean-Marc Leyssale, Jean-Pierre da Costa, Christian Germain, Patrick Weisbecker, Gerard L. Vignoles Lien HAL : https://hal.science/hal-00669498 A new approach on Early Estimation of Vineyard Yield: Site specific counting of berries by using a Smartphone Auteur(s): Matthieu Grossetete, Yannick Berthoumieu, Jean-Pierre da Costa, Christian Germain, Olivier Lavialle, Gilbert Grenier Lien HAL : https://hal.science/hal-00669502 Isothermal Chemical Vapor Infiltration Modeling by Random Walks in CMT 3D Images at Two Scales Auteur(s): Gerard L. Vignoles, Ivan Szelengowicz, William Ros, Christianne Mulat, Christian Germain Lien HAL : https://hal.science/hal-00584771 Synthesis of solid textures based on a 2D example: application to the synthesis of 3D carbon structures observed by transmission electronic microscopy Auteur(s): Jean-Pierre da Costa, Christian Germain Lien HAL : https://hal.science/hal-00584769 A non-parametric approach for 3D texture synthesis Auteur(s): Radu Urs, Jean-Pierre da Costa, Jean-Marc Leyssale, Gerard L. Vignoles, Christian Germain Lien HAL : https://hal.science/hal-00584775 Unsupervised segmentation based on Von Mises circular distributions for orientation estimation in textured images Auteur(s): Jean-Pierre da Costa, Frédéric Galland, Antoine Roueff, Christian Germain Lien HAL : https://hal.science/hal-00649620 Virtual material approach to self-healing CMCs Auteur(s): Guillaume Couégnat, Gérard L. Vignoles, Virginie Drean, Christianne Mulat, William Ros, Grégory Perrot, Thomas Haurat, Jalal El-Yagoubi, Martin Eric, Mario Ricchiuto, Christian Germain, Michel Cataldi Lien HAL : https://hal.science/hal-00624479 Multi-Scale Infiltration Model For Ceramic Matrix Composites Using X-Ray Tomography Auteur(s): William Ros, Gerard L. Vignoles, Christian Germain Lien HAL : https://hal.science/hal-00584776 Joint Linear-Circular Stochastic Models for Texture Classification Auteur(s): Marie-Cécile Péron, Youssef Stitou, Yannick Berthoumieu, Jean-Pierre da Costa, Christian Germain Lien HAL : https://hal.science/hal-00391314 Synthesizing 3D image representations of dense pre-graphitic carbons from HRTEM images Auteur(s): Jean-Pierre da Costa, Raphael Vitti, Christian Germain, Gérard Vignoles, Patrick Weisbecker, Jean-Marc Leyssale Lien HAL : https://hal.science/hal-00391360 Contribution of X-ray CMT and image processing to the modelling of pyrocarbon Chemical Vapour Infiltration Auteur(s): Gérard Vignoles, Christianne Mulat, Christian Germain, Olivia Coindreau, Sophie Delettrez, Georges Chollon Lien HAL : https://hal.science/hal-00399521 Asymmetric anisotropic diffusion Auteur(s): Romulus Terebes, Olivier Lavialle, Christian Germain, Monica Borda, Sorin Pop Lien HAL : https://hal.science/hal-00400818 Atomistic reconstruction of pyrocarbons nanostructure from HRTEM data Auteur(s): Jean-Marc Leyssale, Gérard Vignoles, Raphael Vitti, Jean-Pierre da Costa, Christian Germain, Patrick Weisbecker, Roland J. M. Pellenq Lien HAL : https://hal.science/hal-00391352 Modèles linéaires et circulaires pour la caractérisation de textures orientées. Auteur(s): Marie-Cécile Péron, Yannick Berthoumieu, Jean-Pierre da Costa, Christian Germain Lien HAL : https://hal.science/hal-00391373 Synthèse de textures volumiques anisotropes par inférence 2D/3D Auteur(s): Jean-Pierre da Costa, Christian Germain Lien HAL : https://hal.science/hal-00391346 Diffusion anisotrope asymétrique et multi-orientée Auteur(s): Christian Germain, Romulus Terebes, Olivier Lavialle Lien HAL : https://hal.science/hal-00399498 Fibre-scale Modeling of C/C Processing by Chemical Vapour Infiltration Using Xray CMT Images and Random Walkers Auteur(s): Gérard Vignoles, Christian Germain, Olivia Coindreau, Christianne Mulat, William Ros Lien HAL : https://hal.science/hal-00399533 Non Destructive Counting of Wheatear with Picture Analysis Auteur(s): Christian Germain, Rémy Rousseau, Gilbert Grenier Lien HAL : https://hal.science/hal-00326758 Image processing as a tool for quality assessment of fruits in bulk shipping bins. Auteur(s): Pierre Vaysse, Gilbert Grenier, Olivier Lavialle, G. Henry, S. Khay Ibbat, Christian Germain, Jean-Pierre da Costa Lien HAL : https://hal.science/hal-00326786 APPLICATION DES TECHNIQUES DE TÉLÉDÉTECTION MULTI ET HYPER SPECTRALES A LA VITICULTURE DE PRÉCISION Auteur(s): Saeid Homayouni, Jean-Pierre da Costa, Christian Germain, Olivier Lavialle, Gilbert Grenier Lien HAL : https://hal.science/hal-00321900 Line orientation operator Auteur(s): Franck Le Pouliquen, Christian Germain, Pierre Baylou Lien HAL : https://hal.science/hal-00326725 Nouveaux opérateurs optimisés pour l'estimation de l'orientation Auteur(s): Franck Le Pouliquen, Christian Germain, Pierre Baylou Lien HAL : https://hal.science/hal-00326727 Evaluation de l'anisotropie de textures. Comparaison de méthodes appliquées à la caractérisation de matériaux Auteur(s): Olivier Alata, Christian Germain, Pierre Baylou, Michel Chambon, François Doux Lien HAL : https://hal.science/hal-00326763 Early yield sensing of wheat with picture analysis Auteur(s): Christian Germain, Gilbert Grenier Lien HAL : https://hal.science/hal-00326755 PIXFEL©, A TOOL FOR THE QUALITY ASSESSMENT OF APPLES IN BULK SHIPPING BINS AT HARVEST TIME Auteur(s): Gilbert Grenier, Olivier Lavialle, Barna Keresztes, Pierre Vaysse, Patrick Reynier, Christian Germain, Jean-Pierre da Costa Lien HAL : https://hal.science/hal-00326707 Multiscale Characterization of Texture Anisotropy Auteur(s): Christian Germain, Pierre Baylou Lien HAL : https://hal.science/hal-00326753 New picture analysis methods for granulometry estimation. Application to the characterisation of seed bed quality Auteur(s): Christian Germain, Olivier Lavialle, Gilbert Grenier Lien HAL : https://hal.science/hal-00326751 Caractérisation multi-échelle de l'anisotropie d'une texture Auteur(s): Christian Germain, Pierre Baylou Lien HAL : https://hal.science/hal-00326762 Estimation de la rugosité d'un sol agricole : Application a la caractérisation du lit de semence Auteur(s): Christian Germain, Olivier Lavialle, Gilbert Grenier Lien HAL : https://hal.science/hal-00326764 Inférence statistique en analyse d'images, variance d'estimation et homogénéité. Auteur(s): Rémi Blanc, Jean-Pierre da Costa, Christian Germain, Pierre Baylou Lien HAL : https://hal.science/hal-00326765 Infiltrability properties of porous media using X-ray CMT of thermostructural material Auteur(s): Christianne Mulat, Pierre Baylou, Christian Germain, Gérard Vignoles Lien HAL : https://hal.science/hal-00326711 Asymmetric directional diffusion based image filtering and enhancement Auteur(s): Romulus Terebes, Monica Borda, Christian Germain, Olivier Lavialle, Sorin Pop Lien HAL : https://hal.science/hal-00326705 Caractérisation des pyrocarbones par Analyse d'Images de Microscopie Electronique à Transmission Auteur(s): Jean-Pierre da Costa, Christian Germain, Pierre Baylou Lien HAL : https://hal.science/hal-00326766 Scale-adaptive Orientation Estimation Auteur(s): Franck Le Pouliquen, Christian Germain, Pierre Baylou Lien HAL : https://hal.science/hal-00326721 Level Curve Tracking Algorithm for Textural Feature Extraction Auteur(s): Jean-Pierre da Costa, Christian Germain, Pierre Baylou Lien HAL : https://hal.science/hal-00326745 Multiscale Estimation of Textural Features. Application to the Characterization of Texture Anisotropy Auteur(s): Christian Germain, Jean-Pierre da Costa, Pierre Baylou Lien HAL : https://hal.science/hal-00326748 Approche texturale pour la mesure de la taille moyenne des mottes en surface d'un sol agricole Auteur(s): Christian Germain, Olivier Lavialle, Gilbert Grenier Lien HAL : https://hal.science/hal-00326767 Les outils de télédétection au service d'une gestion intra-parcellaire. Auteur(s): Elisa Marguerit, Anne-Marie Costa Ferreira, Jean-Philippe Roby, Jean-Pascal Goutouly, Christian Germain, Saeid Homayouni, Cornelis van Leeuwen Lien HAL : https://hal.science/hal-00167698 Estimating the section elevation angle for cubes on cubic networks. Application to nickel superalloys characterisation. Auteur(s): Christian Germain, Rémi Blanc, Marc Donias, Jean-Pierre da Costa, Pierre Baylou Lien HAL : https://hal.science/hal-00167889 Intra-plot variations of vine water status in time and space Auteur(s): Cornelis van Leeuwen, Jean-Pascal Goutouly, Chloé Azaïs, Anne-Marie Costa Ferreira, Elisa Marguerit, Jean-Philippe Roby, Xavier Choné, Christian Germain, Saeid Homayouni, Jean-Pierre Gaudillère Lien HAL : https://hal.science/hal-00167696 A curvilinear approach for textural feature extraction: application to the characterization of composite material images Auteur(s): Jean-Pierre da Costa, Christian Germain, Pierre Baylou Lien HAL : https://hal.science/hal-00169910 Vine field monitoring using high resolution remote sensing images: segmentation and characterization of rows of vines Auteur(s): Jean-Pierre da Costa, Christian Germain, Olivier Lavialle, Saeid Homayouni, Gilbert Grenier Lien HAL : https://hal.science/hal-00167697 Caractérisation volumique de matériaux composites Estimation de l'incertitude des mesures effectuées par analyse d'image Auteur(s): Rémi Blanc, Christian Germain, Jean-Pierre da Costa, Pierre Baylou Lien HAL : https://hal.science/hal-00167700 Statistiques d'ordre 2 d'un champ d'orientation. Auteur(s): Jean-Pierre da Costa, Christian Germain, Pierre Baylou Lien HAL : https://hal.science/hal-00169926 New operators for optimized orientation estimation. Auteur(s): Jean-Pierre da Costa, Franck Le Pouliquen, Christian Germain, Pierre Baylou Lien HAL : https://hal.science/hal-00169908 Delineation of Vine Fields by Segmentation of High Resolution Remote Sensed Images Auteur(s): Franck Michelet, Jean-Pierre da Costa, Christian Germain, Olivier Lavialle, Gilbert Grenier Lien HAL : https://hal.science/hal-00167893 Automatic Delineation of Vine Fields by Segmentation of High Resolution Remote Sensing Images Auteur(s): Jean-Pierre da Costa, Christian Germain, Olivier Lavialle, Gilbert Grenier Lien HAL : https://hal.science/hal-00167909 Extraction of fibres in tomographic samples of composites by computer vision Auteur(s): Julio Martin-Herrero, Christian Germain Lien HAL : https://hal.science/hal-00167702 Object Based Image Segmentation: Application to fruit detection in shipping bins Auteur(s): Barna Keresztes, Monica Borda, Romulus Terebes, Pierre Vaysse, Christian Germain, Jean-Pierre da Costa, Gilbert Grenier, Olivier Lavialle Lien HAL : https://hal.science/hal-00184750 Uncertainty in the measurement of the mean value of a spatial process. Application to composite material images. Auteur(s): Rémi Blanc, Jean-Pierre da Costa, Christian Germain, Pierre Baylou Lien HAL : https://hal.science/hal-00167699 Row detection in high resolution remote sensing images of vine fields Auteur(s): William Bobillet, Jean-Pierre da Costa, Christian Germain, Olivier Lavialle, Gilbert Grenier Lien HAL : https://hal.science/hal-00169904 Contours actifs : application à la détection de rangs de cultures en télédétection haute résolution. Auteur(s): William Bobillet, Jean-Pierre da Costa, Christian Germain, Olivier Lavialle, Gilbert Grenier Lien HAL : https://hal.science/hal-00169920 Fiber orientation measurements in composite materials Auteur(s): Rémi Blanc, Christian Germain, Jean-Pierre da Costa, Pierre Baylou, Michel Cataldi Lien HAL : https://hal.science/hal-00167898 Segmentation of high resolution remote sensing images: application to the automatic delineation of vine fields. Auteur(s): Jean-Pierre da Costa, Christian Germain, Olivier Lavialle, Gilbert Grenier Lien HAL : https://hal.science/hal-00167905 Partial unmixing of multi or hyperspectral images using ICA and Fuzzy Clustering techniques. Application to vegetation mapping on vineyards. Auteur(s): Saeid Homayouni, Jean-Pierre da Costa, Christian Germain, Olivier Lavialle, Gilbert Grenier Lien HAL : https://hal.science/hal-00167701 Axis detection method for cylindrical objects Auteur(s): Christianne Mulat, Marc Donias, Pierre Baylou, Gérard Vignoles, Christian Germain Lien HAL : https://hal.science/hal-00167616 Transformation of high resolution aerial images in vine vigour maps at intra-block scale by semi automatic image processing Auteur(s): Anne-Marie Costa Ferreira, Christian Germain, Saeid Homayouni, Jean-Pierre da Costa, Gilbert Grenier, Elisa Marguerit, Jean-Philippe Roby, Cornelis van Leeuwen Lien HAL : https://hal.science/hal-00169844 Local Orientation Estimation in Corrupted Images Auteur(s): Franck Michelet, Jean-Pierre da Costa, Pierre Baylou, Christian Germain Lien HAL : https://hal.science/hal-00166472 Diffusion orientée pour le filtrage d'images : application au filtrage d'images aériennes de parcelles de vignes. Auteur(s): Olivier Lavialle, Romulus Terebes, Christian Germain, Jean-Pierre da Costa, Gilbert Grenier Lien HAL : https://hal.science/hal-00169922 Impact de la texture d'une préforme sur son infiltrabilité : Evolution morphologique du matériau poreux au cours de la densification Auteur(s): Christianne Mulat, Pierre Baylou, Christian Germain, Gérard Vignoles Lien HAL : https://hal.science/hal-00167692 Spectral Characterization of Orientation Data along Curvilinear Structures Auteur(s): Jean-Pierre da Costa, Christian Germain, Pierre Baylou Lien HAL : https://hal.science/hal-00167914 Bias introduced by mean orientation estimation methods. Auteur(s): Jean-Pierre da Costa, Christian Germain, Olivier Lavialle, Pierre Baylou Lien HAL : https://hal.science/hal-00169914 Local Multiple Orientation Estimation: Isotropic and Recursive Oriented Network Auteur(s): Franck Michelet, Christian Germain, Jean-Pierre da Costa, Pierre Baylou Lien HAL : https://hal.science/hal-00167916 Transformation semi-automatique d'images aériennes à haute résolution en cartes de vigueur de la vigne à l'échelle intra-parcellaire Auteur(s): Anne-Marie Costa Ferreira, Christian Germain, Saeid Homayouni, Jean-Pierre da Costa, Gilbert Grenier, Elisa Marguerit, Jean-Philippe Roby, Cornelis van Leeuwen Lien HAL : https://hal.science/hal-00167615 Estimation robuste de l'orientation locale par l'opérateur IRON Auteur(s): Franck Michelet, Christian Germain, Pierre Baylou Lien HAL : https://hal.science/hal-00167885 An image analysis approach for the structural characterization of pyrocarbons Auteur(s): Jean-Pierre da Costa, Christian Germain, Pierre Baylou, Michel Cataldi Lien HAL : https://hal.science/hal-00167901 Orientation Difference Statistics for Texture Description Auteur(s): Jean-Pierre da Costa, Christian Germain, Pierre Baylou Lien HAL : https://hal.science/hal-00169906 Caractérisation locale de l'anisotropie d'images texturées Auteur(s): Jean-Pierre da Costa, Christian Germain, Pierre Baylou Lien HAL : https://hal.science/hal-00169930Invited lectures (5)
Encodage de matrices de covariance par les vecteurs de Fisher log-euclidien : application à la classification supervisée d'images satellitaires Auteur(s): Sara Akodad, Lionel Bombrun, Yannick Berthoumieu, Christian Germain Lien HAL : https://hal.science/hal-02294885 An M-estimator for robust centroid estimation on the manifold of covariance matrices: performance analysis and application to image classification Auteur(s): Ioana Ilea, Hatem Hajri, Salem Said, Lionel Bombrun, Christian Germain, Yannick Berthoumieu Lien HAL : https://hal.science/hal-01379604 Modelling Chemical Vapour Infiltration in C/C composites: numerical tools based on µ-CT images Auteur(s): Gerard L. Vignoles, Olivia Coindreau, William Ros, Ivan Szelengowicz, Christianne Mulat, Christian Germain, Marc Donias Lien HAL : https://hal.science/hal-01322828 Atomistic reconstruction of pyrocarbons: from imaging to property computation Auteur(s): Jean-Marc Leyssale, Jean-Pierre da Costa, Baptiste Farbos, Christian Germain, Gérard Vignoles Lien HAL : https://hal.science/hal-00669488 Traitement d'images et Contrôle Non Destructif de pièces en matériaux composites Auteur(s): Christian Germain, P. Honorat Lien HAL : https://hal.science/hal-00326710Send a email to Christian GERMAIN :
