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Artykuły w czasopismach na temat "Pertes robustes"
Pinet, Camille, Suspense Averti IFO, Benoit Mertens, Gabriel Jaffrain, Christophe Sannier i Stoffenne BINSANGOU1. "ANALYSE ET CONSOLIDATION DES RESULTATS SUR LES ESTIMATIONS DE SUPERFICIE DU COUVERT FORESTIER ET DE SES CHANGEMENTS ENTRE 2000 ET 2016 EN REPUBLIQUE DU CONGO". Revue Française de Photogrammétrie et de Télédétection 223 (25.08.2021): 104–17. http://dx.doi.org/10.52638/rfpt.2021.587.
Pełny tekst źródłaMidan, Christophe. "L’engagement français au Liban au sein de la Finul , 1978-1979". Revue Défense Nationale N° 869, nr 4 (15.04.2024): 47–54. http://dx.doi.org/10.3917/rdna.869.0047.
Pełny tekst źródłaRENAUD, E., A. HUSSON, P. EISENBEIS i B. DE GRISSAC. "Impacts de la densité urbaine sur les pertes en eau des réseaux d’eau potable". Techniques Sciences Méthodes, nr 1-2 (21.02.2022): 53–63. http://dx.doi.org/10.36904/tsm/202201053.
Pełny tekst źródłaEl Hage Hassan, Hussein, Laurence Charbel i Ninon Blond. "L’impact du Terrassement des Versants sur L’érosion Dans le Pourtour Occidental du Plateau du Jord Tannourine-Aaqoura (Liban)". Revue Internationale de Géomatique 32 (27.12.2023): 53–78. http://dx.doi.org/10.32604/rig.2023.043180.
Pełny tekst źródłaSundaresan, Ashok, Pramod K. Varshney i Manoj K. Arora. "Robustness of Change Detection Algorithms in the Presence of Registration Errors". Photogrammetric Engineering & Remote Sensing 73, nr 4 (1.04.2007): 375–83. http://dx.doi.org/10.14358/pers.73.4.375.
Pełny tekst źródłaFernandes, Antônio Marcos Ferreira, Marco Aurélio Delmondes Bomfim, Sueli Freitas dos Santos, Carlos Mikael Mota i Juliete de Lima Gonçalves. "Uso da espectroscopia no infravermelho próximo para previsão da composição químico-bromatológica de palma forrageira". Revista Agraria Academica 6, nr 1 (1.01.2023): 25–34. http://dx.doi.org/10.32406/v6n1/2023/25-34/agrariacad.
Pełny tekst źródłaRen, Na, Xinyan Pang, Changqing Zhu, Shuitao Guo i Ying Xiong. "Blind and Robust Watermarking Algorithm for Remote Sensing Images Resistant to Geometric Attacks". Photogrammetric Engineering & Remote Sensing 89, nr 5 (1.05.2023): 60–71. http://dx.doi.org/10.14358/pers.22-00114r2.
Pełny tekst źródłaTao, Wuyong, Xianghong Hua, Ruisheng Wang i Dong Xu. "Quintuple Local Coordinate Images for Local Shape Description". Photogrammetric Engineering & Remote Sensing 86, nr 2 (1.02.2020): 121–32. http://dx.doi.org/10.14358/pers.86.2.121.
Pełny tekst źródłaLi, Yihui, Fang Gao, Wentao Li, Peng Zhang, An Yuan, Xing Zhong, Yuwei Zhai i Yongjian Yang. "A High-Resolution Satellite DEM Filtering Method Assisted with Building Segmentation". Photogrammetric Engineering & Remote Sensing 87, nr 6 (1.06.2021): 421–30. http://dx.doi.org/10.14358/pers.87.6.421.
Pełny tekst źródłaFilin, Sagi, Grigory Ilizirov i Bashar Elnashef. "Robust Pose Estimation and Calibration of Catadioptric Cameras With Spherical Mirrors". Photogrammetric Engineering & Remote Sensing 86, nr 1 (1.01.2020): 33–44. http://dx.doi.org/10.14358/pers.86.1.33.
Pełny tekst źródłaRozprawy doktorskie na temat "Pertes robustes"
Bouche, Dimitri. "Function-valued regression with kernels : Improving speed, flexibility and robustness". Electronic Thesis or Diss., Institut polytechnique de Paris, 2023. http://www.theses.fr/2023IPPAT001.
Pełny tekst źródłaWith the increasing ubiquity of data-collecting devices, a great variety of phenomena is monitored with finer and finer accuracy, which constantly expands the scope of Machine Learning applications. Dealing with such volume of data efficiently is however challenging. Fortunately, as measurements get denser, they may become gradually redundant. We can then greatly reduce the burden by finding a representation which exploits properties of the generating process and/or is tailored for the application at hand.This thesis revolves around an aspect of this idea: functional data. Data indeed consist of discrete measurements, but sometimes thinking of those as functional, we can exploit prior knowledge on smoothness to obtain a better yet lower dimensional representation. The focus is on nonlinear models for functional output regression (FOR), relying on an extension of reproducing kernel Hilbert spaces for vector-valued functions (vv-RKHS), which is the cornerstone of many nonlinear existing FOR methods. We propose to challenge those in two aspects: their computational complexity with respect to the number of measurements per function and their focusing solely on the square loss.To that end, we introduce the new framework of kernel projection learning (KPL) combining vv-RKHSs and representation of signals in dictionaries. The loss remains functional, however the model predicts only a finite number of representation coefficients. This approach retains the many advantages of vv-RKHSs yet greatly alleviates the computational burden incurred by the functional outputs. We derive two estimators in closed-form using the square loss, one for fully observed functions and one for discretized ones. We show that both are consistent in terms of excess risk. We demonstrate as well the possibility to use other differentiable and convex losses, to combine this framework with large scale kernel methods and to automatically select the dictionary using a structured penalty.In another contribution, we propose to solve the regression problem in vv-RKHSs of function-valued functions for the family of convoluted losses which we introduce. Those losses can either promote sparsity or robustness with a parameter controlling the degree of locality of those properties. Thanks to their structure, they are particularly amenable to dual approaches which we investigate. We then overcome the challenges posed by the functional nature of the dual variables by proposing two possible representations and we propose corresponding algorithms
Sircoulomb, Vincent. "Etude des concepts de filtrage robuste aux méconnaissances de modèle et aux pertes de mesures. Application aux systèmes de navigation". Phd thesis, Institut National Polytechnique de Lorraine - INPL, 2008. http://tel.archives-ouvertes.fr/tel-00350451.
Pełny tekst źródłaSircoulomb, Vincent Ragot José Chafouk Houcine. "Étude des concepts de filtrage robuste aux méconnaissances de modèles et aux pertes de mesures. Application aux systèmes de navigation". S. l. : S. n, 2008. http://www.scd.inpl-nancy.fr/theses/2008_SIRCOULOMB_V.pdf.
Pełny tekst źródłaSircoulomb, Vincent. "Étude des concepts de filtrage robuste aux méconnaissances de modèles et aux pertes de mesures. Application aux systèmes de navigation". Thesis, Vandoeuvre-les-Nancy, INPL, 2008. http://www.theses.fr/2008INPL093N/document.
Pełny tekst źródłaTo solve the problem of estimating the state of a system, it is necessary to have at one's disposal a model governing the dynamic of the state variables and to measure directly or indirectly all or a part of these variables. The work presented in this thesis deals with the estimation issue in the presence of model uncertainties and sensor losses. The first part of this work represents the synthesis of a state estimation device for nonlinear systems. It consists in selecting a state estimator and properly tuning it. Then, thanks to a criterion introduced for the occasion, it consists in algorithmically designing a hardware redundancy aiming at compensating for some sensor losses. The second part of this work deals with the conception of a sub-model compensating for some model uncertainties. This sub-model, designed by using the Allan variance, is usable by a Kalman filter. This work has been used to take into account some gyroscopical drifts in a GPS-INS integrated navigation based on a constrained Kalman filter. The results obtained, coming from experiments on two plane trajectories, showed a safe and robust behaviour of the proposed method
Boulos, Fadi. "Transmission d'images et de vidéos sur réseaux à pertes de paquets : mécanismes de protection et optimisation de la qualité perçue". Phd thesis, Université de Nantes, 2010. http://tel.archives-ouvertes.fr/tel-00473801.
Pełny tekst źródłaLemyre, Catherine. "Détection et modification des transitoires d'un signal de parole dans le but de rendre un codec plus robuste aux pertes de paquets". Thèse, Université de Sherbrooke, 2012. http://hdl.handle.net/11143/6629.
Pełny tekst źródłaOssonce, Maxime. "Optimisation de la robustesse de la quantification algébrique aux erreurs binaires et aux pertes de paquets application au codage TCX". Mémoire, Université de Sherbrooke, 2006. http://savoirs.usherbrooke.ca/handle/11143/1340.
Pełny tekst źródłaOssonce, Maxime. "Optimisation de la robustesse de la quantification algébrique aux erreurs binaires et aux pertes de paquets. Application au codage TCX". [S.l. : s.n.], 2006.
Znajdź pełny tekst źródłaREIS, Cleber Juliano Braga dos. "Metodologia para projeto inverso robusto de perfis aerodinâmicos e grades de turbomáquinas". reponame:Repositório Institucional da UNIFEI, 2010. http://repositorio.unifei.edu.br/xmlui/handle/123456789/1444.
Pełny tekst źródłaMade available in DSpace on 2018-07-09T14:30:50Z (GMT). No. of bitstreams: 1 dissertacao_0036182.pdf: 1243664 bytes, checksum: 7ce696b0de7884521ed28a0683321f36 (MD5) Previous issue date: 2010-03
No projeto de perfis aerodinâmicos e grades de turbomáquinas, perturbações nas formas geométricas oriundas de erros de fabricação, desgaste natural, ou deposição de materiais, podem afetar negativamente seu desempenho, inviabilizando seu uso normal. O conceito de robustez, compreendida como pouca sensibilidade à variação dos parâmetros de projeto, aplicada junto a técnicas de projeto aerodinâmico, transformam o problema de otimização em um problema multiobjetivo, que visa a otimização de objetivos conflitantes (desempenho versus robustez). O custo da otimização é elevado quando métodos diretos de cálculo são utilizados e a análise robusta é incluída. Por outro lado, os métodos inversos possuem um custo computacional mais baixo, pelo fato da análise ser feita utilizando métodos integrais para o cálculo da camada-limite. No presente trabalho, é proposta uma metodologia para o projeto inverso robusto de aerofólios e grades lineares. As curvas de coeficiente de pressão (ou de velocidade) para os lados de sucção e pressão dos aerofólios são representados utilizando parametrizações por B-splines, tomando os pontos de controle como as variáveis de projeto. A aplicação de perturbações aos pontos de controle simula as perturbações nas curvas de velocidade, tornando possível assim uma análise de sensibilidade destas curvas, bem como da análise do desempenho. Um algoritmo genético multiobjetivo (NSGA II) é usado como otimizador, visando maximizar ambos desempenho e robustez (ou minimizar as perdas e a sensibilidade). Após a optimização, um grupo de indivíduos da frente de Pareto resultante são invertidos (ou seja, é obtida sua forma geométrica) e a robustez destes indivíduos, antes e depois da inversão, é comparada. Para os exemplos apresentados neste trabalho, verifica se que as distribuições de pressão (velocidade) geram aerofólios e grades lineares robustas após o processo de inversão.
Laforgue, Pierre. "Deep kernel representation learning for complex data and reliability issues". Thesis, Institut polytechnique de Paris, 2020. http://www.theses.fr/2020IPPAT006.
Pełny tekst źródłaThe first part of this thesis aims at exploring deep kernel architectures for complex data. One of the known keys to the success of deep learning algorithms is the ability of neural networks to extract meaningful internal representations. However, the theoretical understanding of why these compositional architectures are so successful remains limited, and deep approaches are almost restricted to vectorial data. On the other hand, kernel methods provide with functional spaces whose geometry are well studied and understood. Their complexity can be easily controlled, by the choice of kernel or penalization. In addition, vector-valued kernel methods can be used to predict kernelized data. It then allows to make predictions in complex structured spaces, as soon as a kernel can be defined on it.The deep kernel architecture we propose consists in replacing the basic neural mappings functions from vector-valued Reproducing Kernel Hilbert Spaces (vv-RKHSs). Although very different at first glance, the two functional spaces are actually very similar, and differ only by the order in which linear/nonlinear functions are applied. Apart from gaining understanding and theoretical control on layers, considering kernel mappings allows for dealing with structured data, both in input and output, broadening the applicability scope of networks. We finally expose works that ensure a finite dimensional parametrization of the model, opening the door to efficient optimization procedures for a wide range of losses.The second part of this thesis investigates alternatives to the sample mean as substitutes to the expectation in the Empirical Risk Minimization (ERM) paradigm. Indeed, ERM implicitly assumes that the empirical mean is a good estimate of the expectation. However, in many practical use cases (e.g. heavy-tailed distribution, presence of outliers, biased training data), this is not the case.The Median-of-Means (MoM) is a robust mean estimator constructed as follows: the original dataset is split into disjoint blocks, empirical means on each block are computed, and the median of these means is finally returned. We propose two extensions of MoM, both to randomized blocks and/or U-statistics, with provable guarantees. By construction, MoM-like estimators exhibit interesting robustness properties. This is further exploited by the design of robust learning strategies. The (randomized) MoM minimizers are shown to be robust to outliers, while MoM tournament procedure are extended to the pairwise setting.We close this thesis by proposing an ERM procedure tailored to the sample bias issue. If training data comes from several biased samples, computing blindly the empirical mean yields a biased estimate of the risk. Alternatively, from the knowledge of the biasing functions, it is possible to reweight observations so as to build an unbiased estimate of the test distribution. We have then derived non-asymptotic guarantees for the minimizers of the debiased risk estimate thus created. The soundness of the approach is also empirically endorsed
Książki na temat "Pertes robustes"
Ortiz dos Santos, Cidmar, Tatiane Marisa Marafigo Zander, Roberto Bondarik i Luiz Alberto Pilatti. Reuni na UTFPR: a história contada por quem a escreveu. Editora ZH4, 2022. http://dx.doi.org/10.51360/zh4.20224-04.
Pełny tekst źródłaHartmann, Philippe. Centrales nucléaires et environnement - Prélèvements d'eau et rejets. EDP Sciences, 2014. http://dx.doi.org/10.1051/978-2-7598-0913-4.
Pełny tekst źródłaCzęści książek na temat "Pertes robustes"
Mysore, Indira. "Role of Digital Identity in Advancing Global Health". W Advances in Healthcare Information Systems and Administration, 1–27. IGI Global, 2022. http://dx.doi.org/10.4018/978-1-7998-8966-3.ch001.
Pełny tekst źródłaFernandes, Susana C. F. "TÓPICOS PARA DESIGN E ERGONOMIA: O APOIO DE CABEÇA DO BANCO DIANTEIRO AUTOMÓVEL". W Ergonomia: tópicos atuais em pesquisa, 89–108. Editora Científica Digital, 2023. http://dx.doi.org/10.37885/230512949.
Pełny tekst źródłaSOUZA, FRANCISCO VITOR SOLDÁ DE, i JOILSON PEREIRA DA SILVA. "BEM-ESTAR SUBJETIVO E AUTOCOMPAIXÃO NA VELHICE: UMA ANÁLISE COM O SOFTWARE IRAMUTEQ". W Perspectivas e desafios do cuidado em saúde na contemporaneidade. Editora Realize, 2024. http://dx.doi.org/10.46943/x.cieh.2023.01.035.
Pełny tekst źródłaStreszczenia konferencji na temat "Pertes robustes"
Carapeços, Allysson Chagas, i Diego Gimenez Passos. "Um método para o diagnóstico do tipo de perda de pacotes em redes sem fio IEEE 802.11". W Simpósio Brasileiro de Redes de Computadores e Sistemas Distribuídos. Sociedade Brasileira de Computação - SBC, 2021. http://dx.doi.org/10.5753/sbrc.2021.16757.
Pełny tekst źródłaSchroeder, Jonatan, i Elias P. Duarte Jr. "Roteamento Tolerante a Falhas Baseado em Caminhos Robustos". W Workshop de Testes e Tolerância a Falhas. Sociedade Brasileira de Computação - SBC, 2005. http://dx.doi.org/10.5753/wtf.2005.23365.
Pełny tekst źródłaPIOTROWSKI, LEONARDO JONAS, DIOGO FRANCHI, MAURICIO SPERANDIO i FELIX ALBERTO FARRET. "Análise de Expansão do Sistema de Transmissão Sul Brasileiro de 32 Barras". W Seminar on Power Electronics and Control (SEPOC 2021). sepoc, 2021. http://dx.doi.org/10.53316/sepoc2021.028.
Pełny tekst źródłaAbdulla, N. T. Bushra, i K. A. Navas. "Robust Video Watermarking Resilient To Inadvertent Attacks". W 2020 International Conference on Power Electronics and Renewable Energy Applications (PEREA). IEEE, 2020. http://dx.doi.org/10.1109/perea51218.2020.9339797.
Pełny tekst źródłaBarbosa, Fabio J., Alessandra M. Coelho i Matheus F. O. Baffa. "Uma Arquitetura de Rede Neural Convolucional Simplificada para Reconhecimento da COVID-19 em Imagens de Raios-X". W Escola Regional de Computação Aplicada à Saúde. Sociedade Brasileira de Computação - SBC, 2021. http://dx.doi.org/10.5753/ercas.2021.17428.
Pełny tekst źródłaSilva, Mario Alves da, Iuri Praça Vergínio, Rafael de Paula Garcia i Joyce Correna Carlo. "Redução do custo computacional do processo de otimização baseada em simulação utilizando redes neurais aplicadas a um problema de consumo energético com sistemas de condicionamento artificial". W XIX ENCONTRO NACIONAL DE TECNOLOGIA DO AMBIENTE CONSTRUÍDO. UFRGS, 2022. http://dx.doi.org/10.46421/entac.v19i1.2122.
Pełny tekst źródłaCarvalho, Marlon da Cruz, Luiz F. M. Vieira i Marcos A. M. Vieira. "Codificação em Rede (Network Coding) em Redes de Salto de Canal Sincronizado com o Tempo (TSCH)". W Simpósio Brasileiro de Redes de Computadores e Sistemas Distribuídos. Sociedade Brasileira de Computação, 2022. http://dx.doi.org/10.5753/sbrc.2022.222310.
Pełny tekst źródłaC. Franco, Mateus, Eduardo M. Dos Santos, Artur Henrique Rodrigues, Alex Itczak, Paulo R. F. Marques, Fábio K. Schons, Chrystian Dalla Lana da Silva i Cristiane Gomes Schmitt. "Método para Detecção de Perda de Excitação, Curto-Circuito e Oscilações de Potência em Geradores Síncronos". W Congresso Brasileiro de Automática - 2020. sbabra, 2020. http://dx.doi.org/10.48011/asba.v2i1.1130.
Pełny tekst źródłaF. S. Costa, Pablo, Bernardo Andres, Leandro Roggia i Luciano Schuch. "Circuito de Auxílio à Comutação aplicado ao conversor DAB no Gerenciamento de Banco de Baterias". W Congresso Brasileiro de Automática - 2020. sbabra, 2020. http://dx.doi.org/10.48011/asba.v2i1.1447.
Pełny tekst źródłaC. S. Araújo, Ana, Paulo C. M. Lamim Filho, Lane M. R. Baccarini i Fabiano B. Batista. "Detecção de desequilíbrio de tensão e de desalinhamento no motor de indução através da análise do fluxo de dispersão". W Congresso Brasileiro de Automática - 2020. sbabra, 2020. http://dx.doi.org/10.48011/asba.v2i1.1604.
Pełny tekst źródłaRaporty organizacyjne na temat "Pertes robustes"
Lacroix, Guy, i William Arbour. Renoncer à la liberté. Comprendre les choix des détenus en matière de libération conditionnelle. CIRANO, luty 2024. http://dx.doi.org/10.54932/wjjb9944.
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