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Добірка наукової літератури з теми "Méthodes d'appariement"
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Статті в журналах з теми "Méthodes d'appariement"
Robette, Nicolas, and Nicolas Thibault. "Analyse harmonique qualitative ou méthodes d'appariement optimal ?" Population 63, no. 4 (2008): 621. http://dx.doi.org/10.3917/popu.804.0621.
Повний текст джерелаLesnard, Laurent, and Thibaut de Saint Pol. "Introduction aux méthodes d'appariement optimal (Optimal Matching Analysis)." Bulletin of Sociological Methodology/Bulletin de Méthodologie Sociologique 90, no. 1 (April 2006): 5–25. http://dx.doi.org/10.1177/075910630609000103.
Повний текст джерелаPoreba, Martyna, and François Goulette. "Recalage rigide de relevé laser par mise en correspondance robuste basée sur des segments." Revue Française de Photogrammétrie et de Télédétection, no. 207 (September 24, 2014): 3–17. http://dx.doi.org/10.52638/rfpt.2014.208.
Повний текст джерелаCremer-Schulte, Dominik, and Jean-Christophe Dissart. "Évaluation des politiques publiques avec la méthode d'appariement : le cas des parcs naturels régionaux en Auvergne et Rhône-Alpes." Sciences Eaux & Territoires Numéro 13, no. 1 (2014): 52. http://dx.doi.org/10.3917/set.013.0052.
Повний текст джерелаSaraswati, Chintia Ellisa. "LA TRANSGRESSION DU PRINCIPE DE COOPÉRATION DANS LE FILM D’ANIMATION UN MONSTRE À PARIS. MEMOIRE." Lingua Litteratia Journal 6, no. 1 (June 12, 2019): 84–94. http://dx.doi.org/10.15294/ll.v6i1.30843.
Повний текст джерелаSaraswati, Chintia Ellisa, and Bernadus Wahyudi Joko Santoso. "La Transgression du Principe de Coopération dans le Film d’Animation “Un Monstre À Paris”." Lingua Litteratia Journal 7, no. 1 (May 29, 2020): 15–22. http://dx.doi.org/10.15294/ll.v7i1.38819.
Повний текст джерелаДисертації з теми "Méthodes d'appariement"
Nguyen, Van Thanh. "Problèmes de transport partiel optimal et d'appariement avec contrainte." Thesis, Limoges, 2017. http://www.theses.fr/2017LIMO0052.
Повний текст джерелаThe manuscript deals with the mathematical and numerical analysis of the optimal partial transport and optimal constrained matching problems. These two problems bring out new unknown quantities, called active submeasures. For the optimal partial transport with Finsler distance costs, we introduce equivalent formulations characterizing active submeasures, Kantorovich potential and optimal flow. In particular, the PDE of optimality condition allows to show the uniqueness of active submeasures. We then study in detail numerical approximations for which the convergence of discretization and numerical simulations are provided. For Lagrangian costs, we derive and justify rigorously characterizations of solution as well as equivalent formulations. Numerical examples are also given. The rest of the thesis presents the study of the optimal constrained matching with the Euclidean distance cost. This problem has a different behaviour compared to the partial transport. The uniqueness of solution and equivalent formulations are studied under geometric condition. The convergence of discretization and numerical examples are also indicated. The main tools which we use in the thesis are some combinations of PDE techniques, optimal transport theory and Fenchel--Rockafellar dual theory. For numerical computation, we make use of augmented Lagrangian methods
Chirita, Raluca-Ioana. "Développement de nouvelles méthodes séparatives compatibles avec une détection par spectrométrie de masse et par électrochimie pour l'analyse de traces de catécholamines et molécules apparentées." Thesis, Orléans, 2009. http://www.theses.fr/2009ORLE2043/document.
Повний текст джерелаAs neurotransmitters, catecholamines play an important role in the control and regulation of numerous brain functions. They are also believed to be implicated in different neurodegenerative disorders. First an ion pairing chromatography method using nonafluoropentanoic acid as volatile ion paring agent was developed on the new generation of C18 columns (monolith and fused core). This method is compatible with MS detection in positive ionization mode. Secondly an HILIC method was optimized using different commercially available HILIC supports, they can be classified as follows: neutral (diol, amide, and cyano bounded), positively charged (amino, triazole bounded), negatively charged (bare silica as wholly porous particles or fused core particles columns) and zwitterionic (sulfobetaine bounded). Our studies lead us to a better understanding of the HILIC retention mechanism and also to the selection of the most appropriated column for catecholamine analysis. Only the HILIC system was compatible with both positive and negative ionization modes. The two chromatographic systems were then compared in terms of resolution, efficiency, detection and quantification limits (LOD/LOQ), calibration linearity and repeatability. The LODs obtained were in the range of 1-100 ng.mL-1. A simple pre-concentration method using Oasis HLB and PGC solid phase extraction cartridges has been optimized in order to enhance the LODs. Finally the optimized SPE-LC-MS/MS method has been applied to the identification of these compounds present in brain extracts
Hodé, Fabrice. "La méthode Galaxie : une méthode d'appariement d'images cérébrales et un outil de mesures et de comparaison." Compiègne, 1998. http://www.theses.fr/1998COMPD113.
Повний текст джерелаPalomares, Jean-Louis. "Une nouvelle méthode d'appariement de points d'intérêt pour la mise en correspondance d'images." Phd thesis, Université Montpellier II - Sciences et Techniques du Languedoc, 2012. http://tel.archives-ouvertes.fr/tel-00786054.
Повний текст джерелаZabrocki, Léo. "Improving the Design of Studies on the Acute Health Effects of Air Pollution." Thesis, Paris, EHESS, 2022. http://www.theses.fr/2022EHES0041.
Повний текст джерелаThe goal of this thesis is to improve the design of observational studies on the acute health effects of air pollution.In the first chapter jointly written with Anna Alari and Tarik Benmarhnia, we advocate using matching procedures to enhance the design stage of studies exploiting changes in wind directions as instrumental variables. We show that observed confounders are imbalanced across wind directions and that the common support of the data is small. An outcome regression analysis might therefore suffer from interpolation and extrapolation biases. Using a sensitivity analysis, we also provide quantitative evidence that the estimated effects of wind directions on air pollutant concentrations seem robust to the presence of hidden bias. Our approach could be relevant for similar strategies based on binary instruments such as thermal inversions or public transport strikes.In the second chapter co-authored with Marion Leroutier and Marie-Abèle Bind, we study the impact of cruise traffic on air pollution in Marseille. With a pair-matching algorithm designed for time series data, we create hypothetical randomized experiments and estimate the change in air pollution caused by a short-term increase in cruise traffic. We also rely on randomization-inference—a mode of inference which is not based on large-sample approximation and is distribution-free—to compute confidence intervals. We find that cruise vessels’ arrivals increase city-level concentrations of nitrogen dioxide and particulate matter. Our results suggest that well-designed hypothetical randomized experiments provide a principled approach to better understand the negative externalities of maritime traffic.In the third chapter, Vincent Bagilet and I explain that the combination of publication bias for statistically significant results and low statistical power could lead to inflated estimates on the short-term health effects of air pollution. We first gather a unique corpus of estimates and standard errors of all available articles found in the standard epidemiology and economics literatures. Using statistical power calculations, we show that at least half of the literature could have a power below 80% and produce estimates that are two times too large. We then run simulations based on real data to identify which parameters of research designs affect statistical power. We find that the number of exogenous shocks and cases of a health outcome are key drivers of power. These results matter since many studies exploit rare exogenous shocks and focus on subgroups such as children and the elderly. At the end of the paper, we provide several recommendations to take into account this highly important but overlooked issue.The fourth chapter is an extension and generalization of the third chapter. To avoid confounding, quasi-experimental studies focus on specific sources of treatment variation. This could lead to a reduction in statistical power. Yet, published estimates can overestimate true effects sizes when power is low. Using fake data simulations, Vincent Bagilet and I show that for all causal inference methods, there could be a trade-off between confounding and exaggerating true effect sizes due to a loss in power. We discuss how power calculations and sensitivity analysis could help take this trade-off into account
Agullo, Marie-Hélène. "Modèle d'appariement et marché local du travail : théorie et applications empiriques." Aix-Marseille 3, 1999. http://www.theses.fr/1999AIX32038.
Повний текст джерелаHariti, Mohamed. "Une méthode rapide d'appariement d'images stéréoscopiques : application à la perception de l'environnement d'un véhicule routier." Besançon, 2004. http://www.theses.fr/2004BESA2032.
Повний текст джерелаPassive stereo vision is a well known approach for recovering 3-D information from two or more images of a scene observed from different viewpoints. The key problem in this approach is the matching process, which is difficult to solve and computationally expensive. In the robot vision domain, this problem is generally simplified by making hypotheses about the type of objects being observed and their visual environment so that structural features, such as corners or vertical straight lines, can be more or less easily extracted. Unfortunately, setting-up a conventional stereo vision system on board a moving vehicle for real-time obstacle detection is difficult because, in the road environment, the features are too numerous to allow a reliable matching within an acceptable computer time. In this thesis, we propose a new method to achieve real-time edge stereo matching. A procedure is first applied to extract edges from the left and right linear images. Each edge is characterized by its position in the image, the magnitude and the sign of the gradient. Based on a global searching approach, the stereo matching method consists in affecting a score to each pair of edges, which respects the position and slope constraints. This score represents the matching quality of a pair of edges. It is calculated thanks to a voting process, which is based on three global constraints : uniqueness, ordering and smoothness constraints. We present afterwards a procedure for weighting the scores of the possible matches by using the gradient magnitudes of the edges. The weight affected to each pair of edges is calculated by comparing their gradient magnitude. This comparison supposes that important weights are affected to the pairs of edges for which the gradient magnitudes are close (and vice-versa). Finally, we propose another way for making use of the gradient magnitudes of the edges to perform stereo matching. It consists in matching edges at different levels, from significant edges to less significant ones. At each level, the process starts by selecting significant edges with respect to their gradient magnitude. The selected edges are then matched and the obtained pairs are used as reference pairs for matching less significant edges in the next level. [. . . ]
Vouillot, Françoise. "Représentations et préférences scolaires et professionnelles : étude de la stratégie d'appariement soi-prototype." Paris 5, 1993. http://www.theses.fr/1993PA05H071.
Повний текст джерелаThis research looks into how a cognitive process (self-prototype matching) works th help explain vocational and educational preferences. The author quotes two modelms: the preferences selection and seriation model (huteau, 1982) and the self-prototype matching model as derived from self-concept theories (cantor and al,1985). The core hypothesis lays on the idea that educational and vocational representations must agree with how one thinks about typical persons (prototypes) who study or work in such fields one is interested in. Preference would then come from a correct congruence between self image and prototype. Two experiments (by means of inventories and q. Sort) were led on a 2500 sample of french high school students, to study how self-prototype matching functions and what role it plays in those student's preferences selection. Globally, the results show that the self-prototype matching process does intervene in the selection of such preferences, but, also, some variables put limits on it : the degree of prestige and suitability given to the sex of the project and the sex and school situation of the students
Maillard-Adamiak, Bénédicte. "Chômage structurel et difficultés d'appariement : Analyse théorique et application à la France." Thesis, Lille 1, 2008. http://www.theses.fr/2008LIL12007/document.
Повний текст джерелаSince the nineties, the French labour market combines high levels of vacancies with high levels of unemployment. This worrying fact is the starting point of this thesis running two aims: checking that high levels of vacancies and high levels of unemployment are the consequences of a declining matching efficiency of the French labour market, and showing that this declining matching efficiency is the result of a structural mismatch between labour supply and demand. We therefore estimate (on monthly regional data, covering the period 1990:3 to 1995:2) a matching function by the method of the stochastic frontiers, method usually applied to measure the degree of efficiency of production units. Then, breaking with the practice of the standard indicators of structural unemployment, we estimate (on annual data, covering the period 1968 to 2000) an employment function enclosing an implicit Beveridge curve. We derived four main results. First, the average matching efficiency decreased clearly in the early nineties. Second, as one would expect, the regional matching efficiencies were negatively correlated to the regional unemployment rates. Third, skill mismatch played an important role in the declining matching efficiency. Fourth, the role played by regional mismatch was less significant
Dao, Duy Duc. "Approximation de Hartree-Fock pour les noyaux déformés avec un potentiel général à 2-corps et corrélations d'appariement avec une interaction résiduelle cohérente." Thesis, Bordeaux, 2019. http://www.theses.fr/2019BORD0245.
Повний текст джерелаIn this work, we have developed the Hartree-Fock (HF) approximation in momentum space for deformed nuclei with a general nucleon-nucleon (NN) potential. The structure of such a potential has been investigated in momentum space from its symmetries. Its constructions has been realized in a tensorial separable momentum-spin-isospin representation. Moreover, to treat low-momentum interactions, we have implemented the Similarity Renormalization Group approach. Three momentum representations have been studied: the plane-wave, the partial-wave and the confined plane-wave. The numerical implementation has been validated against an existing HF-Skyrme code in the harmonic oscillator basis. We have found that the confined plane-wave basis provides many advantages over the two others, namely: flexible construction of symmetry-adapted bases, efficient calculation of matrix elements (nuclear, Coulomb and center of mass kinetic correction) and optimization in ressources (time and memory). This basis is characterized by two parameters: the confinement box size (cube) which can be essentially related to the nuclear radius and a single-particle momentum cut-off which is directly linked to the cut-off in relative momentum of the interaction. Bulk properties of some spherical and deformed even-even nuclei in the mass region A < 100 have been calculated with recently developed NN potentials. The resulting residual interaction has been derived to study pairing correlations within the Highly Truncated Diagonalization Approach (HTDA). In particular, the question of the convergence with the model space has been addressed