Now showing items 1-20 of 52

    • 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, 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 ...
    • 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 ...
    • 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) ...
    • 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 ...
    • Bayesian network modelling of hierarchical composite indicators 

      Requejo Castro, David; Giné Garriga, Ricard; Pérez Foguet, Agustí (Elsevier, 2019-02-19)
      Article
      Open Access
      The water, sanitation and hygiene (WaSH) sector has witnessed the development of multiple tools for multidimensional monitoring. Hierarchical and composite indicators (CI)-based conceptual frameworks provide one illustrative ...
    • Bayesian region selection for adaptive dictionary-based Super-Resolution 

      Pérez-Pellitero, Eduardo; Salvador, Jordi; Ruiz Hidalgo, Javier; Rosenhahn, Bodo (2013)
      Conference lecture
      Open Access
      The performance of dictionary-based super-resolution (SR) strongly depends on the contents of the training dataset. Nevertheless, many dictionary-based SR methods randomly select patches from of a larger set of training ...
    • Classification of literary style that takes order into consideration. 

      Puig Oriol, Xavier; Font, Martí; Ginebra Molins, Josep (2015-07-09)
      Article
      Open Access
      The statistical analysis of the heterogeneity of the style of a text often leads to the analysis of contingency tables of ordered rows. When multiple authorship is suspected, one can explore that heterogeneity through ...