Now showing items 1-20 of 65

    • 3D object recognition and pose estimation using feature descriptor regression in a Bayes' framework 

      Segura Morros, Sergi (Universitat Politècnica de Catalunya / Leibniz Universität Hannover, 2012-08)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   Leibniz Universität Hannover
      [ANGLÈS] In this thesis, we have tried to find a suitable method to solve typical applications of pose recognition for cars, face, or facades. We have looked for efficient algorithms that allow us to solve the problem ...
    • A bayesian test for Hardy-Weinberg equilibrium of bi-allelic X-chromosomal markers 

      Puig Oriol, Xavier; Ginebra Molins, Josep; Graffelman, Jan (2017-07)
      Article
      Open Access
      The X chromosome is a relatively large chromosome, harboring a lot of genetic information. Much of the statistical analysis of X-chromosomal information is complicated by the fact that males only have one copy. Recently, ...
    • A Cluster analysis of vote transitions 

      Puig Oriol, Xavier; Ginebra Molins, Josep (2014)
      Article
      Restricted access - publisher's policy
      To help settle the debate triggered the day after any election around the origin and destination of the vote of winners and losers, a Bayesian analysis of the results in a pair of consecutive elections is proposed. It is ...
    • A new approach for supply chain risk management: Mapping SCOR into Bayesian network 

      Abolghasemi, Mahdi; Khodakarami, Vahid; Tehranifard, Hamid (OmniaScience, 2015-04)
      Article
      Open Access
      Purpose: Increase of costs and complexities in organizations beside the increase of uncertainty and risks have led the managers to use the risk management in order to decrease risk taking and deviation from goals. SCRM has ...
    • A shared-parameter joint model for prostate cancer risk and psa longitudinal profiles 

      Serrat Piè, Carles; Rué, Montserrat; Perpiñán Fabuel, Hèctor; Forte, Anabel; Armero, Carmen; Piulachs Lozada Benavente, Xavier; Páez, Álvaro; Gómez Melis, Guadalupe (Fundación Mapfre, 2015)
      Conference report
      Open Access
      The paper describes the use of frequentist and Bayesian shared-parameter joint models of longitudinal measurements of prostate specific antigen (PSA) and the risk of prostate cancer (PCa). The motivating dataset corresponds ...
    • A unified approach to authorship attribution and verification 

      Puig Oriol, Xavier; Font Valverde, Martí; Ginebra Molins, Josep (2016)
      Article
      Open Access
      In authorship attribution, one assigns texts from an unknown author to either one of two or more candidate authors by comparing the disputed texts with texts known to have been written by the candidate authors. In authorship ...
    • A variational formulation for GTM through time 

      Olier Caparroso, Iván; Vellido Alcacena, Alfredo (IEEE, 2008)
      Conference report
      Open Access
      Generative Topographic Mapping (GTM) is a latent variable model that, in its original version, was conceived to provide clustering and visualization of multivariate, realvalued, i.i.d. data. It was also extended to deal ...
    • Adaptación de una aplicación industrial a plataformas hardware para el cálculo de alto rendimiento 

      Blazquez Fernandez, Erik (Universitat Politècnica de Catalunya, 2023-06-29)
      Bachelor thesis
      Open Access
      En la industria, la prevención de errores mecánicos es crucial para garantizar un funcionamiento seguro y eficiente. Las redes bayesianas pueden emplearse para realizar procesos de mantenimiento predictivo. Estos modelos ...
    • Un Algoritmo de estimación de distribución basado en una red bayesiana para optimización topológica de estructuras 

      Valdez Peña, S. Ivvan; Botello Rionda, Salvador; Hernández, Arturo (Universitat Politècnica de Catalunya. CIMNE, 2010)
      Article
      Open Access
      The topological optimization problema is stated as follows: to find the best shape of a mechanical structure subject to certain service conditions. Usually, the topological optimization problem is tackled by starting from ...
    • Analysis of factors affecting the effectiveness of oil spill clean-up: A bayesian entwork approach 

      Zhong, Liangxia; Wu, Jiaxin; Wen, Yiqing; Yang, Bingjie; Grifoll Colls, Manel; Hu, Yunping; Zheng, Pengjun (Multidisciplinary Digital Publishing Institute (MDPI), 2023-03-10)
      Article
      Open Access
      Ship-related marine oil spills pose a significant threat to the environment, and while it may not be possible to prevent such incidents entirely, effective clean-up efforts can minimize their impact on the environment. The ...
    • Anàlisi bayesiana fent servir models lineals 

      Brichs Fernàndez, Anna (Universitat Politècnica de Catalunya, 2009-10)
      Master thesis
      Open Access
      Ens introduirem a la inferència Bayesiana, explicant la seva filosofia i el seu mètode. Estudiarem com es realitza la regressió lineal normal bayesiana, escollint dos tipus de distribucions a priori. Després s'estudia ...
    • Anàlisi extremal Bayessià de tempestes d'onatge a la costa catalana 

      Grau Castella, Francesc (Universitat Politècnica de Catalunya, 2008-07)
      Minor thesis
      Open Access
      L’onatge és, sens dubte, un element clau en les fases de planificació, disseny, explotació i manteniment d’una obra marítima. El coneixement de les seves característiques a llarg termini permet a l’enginyer marítim la ...
    • Análisis y previsión de fenómenos naturales peligrosos 

      Tolosana Delgado, Raimon; Egozcue Rubí, Juan José; Ortego Martínez, María Isabel; Sánchez-Arcilla Conejo, Agustín (Universitat Politècnica de Catalunya. Escola Tècnica Superior d'Enginyers de Camins Canals i Ports de Barcelona, 2011-11-16)
      Conference lecture
      Open Access
      La toma de decisiones referentes al diseño o en sistemas de alerta requieren el estudio de las acciones externas (frecuentemente meteorológicas), la descripción probabilista del sistema (vulnerabilidad, susceptibilidad) ...
    • Approaching the cold start problem in customer relationship management through lifetime value models 

      Guivernau Rosés, Daniel (Universitat Politècnica de Catalunya / Universitat de Barcelona, 2022)
      Bachelor thesis
      Open Access
      Companies are often interested in assessing the future profitability of their customers. This is especially challenging for clients that the company recently acquired, given the small amount of information available. In ...
    • Bayesian analysis and free market trade within the Roman Empire 

      Rubio-Campillo, Xavier; Coto-Sarmiento, María; Pérez-Gonzalez, Jordi; Remesal, José (Cambridge University Press, 2017-09-20)
      Article
      Open Access
      The trade networks of the Roman Empire are among the most intensively researched large-scale market systems in antiquity, yet there is no consensus on the economic structure behind this vast network. The difficulty arises ...
    • Bayesian analysis of textual data 

      Font Valverde, Martí (Universitat Politècnica de Catalunya, 2016-01-18)
      Doctoral thesis
      Open Access
      En esta tesis se desarrolla, siempre con el enfoque bayesiano en mente, una metodología estadística para el análisis de datos discretos en su aplicación en problemas estilometría. El análisis estadístico del estilo literario ...
    • Bayesian Analysis of the Heterogeneity of Literary Style 

      Font Valverde, Martí; Puig Oriol, Xavier; Ginebra Molins, Josep (2016-07)
      Article
      Open Access
      We proposed statistical analysis of the heterogeneity of literary style in a set of texts that simultaneously use different stylometric characteristics, like word length and the frequency of function words. The data set ...
    • Bayesian Filtering for Dynamic Systems with Applications to Tracking 

      Dhital, Anup (Universitat Politècnica de Catalunya, 2010-07)
      Master thesis (pre-Bologna period)
      Open Access
      This M.Sc. thesis intends to evaluate various algorithms based on Bayesian statistical theory and validates with both synthetic data as well as experimental data. The focus is given in comparing the performance of new ...
    • Bayesian Gaussian network classifiers for mass spectra classification 

      Bellón Molina, Víctor Manuel (Universitat Politècnica de Catalunya, 2013-01-18)
      Master thesis
      Open Access
    • Bayesian Inference in MANTID - An Update 

      Vidal, B.L.; Oram, E.; Banos, R.A.; Pardo Soto, Luis Carlos; Mukhopadhyay, Sajal; Fernandez Alonso, Felix (2018)
      Conference report
      Open Access
      In the context of neutron science, Bayesian inference methods have been recently implemented within the MANTID framework [Monserrat D et al. 2015 J. Phys. Conf. Ser. 663 012009 (2015)]. In this contribution, we highlight ...