Now showing items 1-20 of 104

  • Aceleración con CUDA de Procesos 3D 

    Raya Vaquera, Jose Antonio (Universitat Politècnica de Catalunya, 2009-01-26)
    Master thesis (pre-Bologna period)
    Open Access
    Este proyecto se va a centrar en adaptar el algoritmo de space-carving y algunos procesos de tratamiento de imágenes a CUDA. El space-carving permite obtener representación 3D de un objeto a partir de varias imágenes del ...
  • A comparison study of different algorithms for energy-aware placement of virtual machines 

    Olvera, Alex; Xhafa Xhafa, Fatos (Springer, 2018)
    Conference report
    Restricted access - publisher's policy
    Cloud Computing services are essential to modern society. The increasing number of people and organisations using these types of services results in a higher demand in datacenters, which in turn, is raising energy consumption ...
  • ACO_R híbrido con múltiples colonias para problemas de optimización continua 

    Blum, Christian; Cardoso, Pedro; Herrera, Francisco (2009)
    Conference report
    Restricted access - publisher's policy
    Este trabajo se centra en algoritmos con colonias de hormigas para resolver problemas de optimización continua. En concreto, se propone una extensión de este tipo de algoritmos hacia un método multi-colonia para incrementar ...
  • A cost-sensitive learning algorithm for fuzzy rule-based classifiers 

    Beck, Sebastian; Mikut, Ralf; Jäkel, Jens (Universitat Politècnica de Catalunya. Secció de Matemàtiques i Informàtica, 2004)
    Article
    Open Access
    Designing classifiers may follow different goals. Which goal to prefer among others depends on the given cost situation and the class distribution. For example, a classifier designed for best accuracy in terms of ...
  • A fuzzy inductive approach for rule-based modelling of high level structures in algorithmic composition systems 

    Múgica Álvarez, Francisco; Paz Ortiz, Iván; Nebot Castells, M. Àngela; Romero Merino, Enrique (2015)
    Conference report
    Restricted access - publisher's policy
    Algorithmic composition systems are now widely understood. However, its capacity for producing outputs consistently showing high level structures is still a field of research. In the present work, the Fuzzy Inductive ...
  • A GRASP algorithm to optimize operational costs and regularity of production in mixed-model sequencing problems with forced interruption of operations 

    Bautista Valhondo, Joaquín; Alfaro Pozo, Rocío (Springer, 2018-10-23)
    Part of book or chapter of book
    Restricted access - publisher's policy
    This book constitutes the refereed proceedings of the 18th Conference of the Spanish Association for Artificial Intelligence, CAEPIA 2018, held in Granada, Spain, in October 2018. The 36 full papers presented were carefully ...
  • AHSPeR: Adaptive Hypermedia System Oriented Toward Personalization of Readings Plans 

    Giugni, Marilin; Grimón, Fca; Fernández Sánchez, Joaquín; Monguet Fierro, José María; Guerra, Laura (Elsevier, 2011)
    Conference report
    Restricted access - publisher's policy
    The phenomenon of Internet has brought a wide range of communication possibilities and thus a rapid growth of digitized information. Each day the user is overwhelmed with the vast information obtained during the search ...
  • Algorismes parametritzats per al problema de recobriment d'imatges 

    Winand, Tomàs (Universitat Politècnica de Catalunya, 2007-01-14)
    Master thesis (pre-Bologna period)
    Open Access
  • Algorithmic and HPC challenges in parallel tensor computations 

    Kaya, Oguz (Barcelona Supercomputing Center, 2018)
    Conference report
    Open Access
  • A method for assessing parameter impact on control-flow discovery algorithms 

    Ribeiro, Joel; Carmona Vargas, Josep (CEUR-WS.org, 2015)
    Conference report
    Open Access
    Given an event log L, a control-flow discovery algorithm f, and a quality metric m, this paper faces the following problem: what are the parameters in f that mostly influence its application in terms of m when applied ...
  • A methodology for distributed fault diagnosis 

    Gupta, Vikas; Puig Cayuela, Vicenç; Blesa Izquierdo, Joaquim (2016)
    Conference report
    Restricted access - publisher's policy
    In this paper, a methodology for distributed fault diagnosis is proposed. The algorithm places the sensors in a system in such a manner that the partition of a system into various subsystems becomes ...
  • An algorithmic framework for segmenting trajectories based on spatio-temporal criteria 

    Buchin, Maike; Driemel, Anne; Kreveld, Marc van; Sacristán Adinolfi, Vera (Association for Computing Machinery (ACM), 2010)
    Conference report
    Restricted access - publisher's policy
    In this paper we address the problem of segmenting a trajectory such that each segment is in some sense homogeneous. We formally define different spatio-temporal criteria under which a trajectory can be homogeneous, including ...
  • Análisis y detección de objetos de primer plano en secuencias de video 

    Mateu García, Óscar (Universitat Politècnica de Catalunya, 2009-06)
    Master thesis (pre-Bologna period)
    Open Access
    En la actualidad, la seguridad se está convirtiendo en un servicio de primera necesidad, tanto en espacios públicos como privados. Para garantizarla, se utiliza una gran cantidad de desarrollos tecnológicos como los sistemas ...
  • Analyzing human gait and posture by combining feature selection and kernel methods 

    Samà Monsonís, Albert; Angulo Bahón, Cecilio; Pardo Ayala, Diego Esteban; Català Mallofré, Andreu; Cabestany Moncusí, Joan (2011-09)
    Article
    Open Access
    This paper evaluates a set of computational algorithms for the automatic estimation of human postures and gait properties from signals provided by an inertial body sensor. The use of a single sensor device imposes ...
  • Analyzing the effect of power control algorithms on the receiver's computing resource consumption 

    Gómez Miguelez, Ismael; Marojevic, Vuk; Salazar Hernández, Dagoberto José; Gelonch Bosch, Antonio José (2010)
    Conference report
    Restricted access - publisher's policy
    Traditional Software-Defined Radios are limited in their ability to share the computational infrastructure between different channel flows of different demands. Future terminals should move to a shared resource model to ...
  • An investigation into new kernels for categorical variables 

    Villegas García, Marco Antonio (Universitat Politècnica de Catalunya, 2013-01)
    Master thesis
    Open Access
    Kernel-based methods first appeared in the form of support vector machines. Since the first Support Vector Machine (SVM) formulation in 1995, we have seen how the number of proposed kernel functions has quickly grown, ...
  • A novel procedure for training L1-L2 support vector machine classifiers 

    Anguita, Davide; Ghio, Alessandro; Oneto, Luca; Reyes Ortiz, Jorge Luis; Ridella, Sandro (2013)
    Conference report
    Restricted access - publisher's policy
    In this work we propose a novel algorithm for training L1-L2 Support Vector Machine (SVM) classifiers. L1-L2 SVMs allow to combine the effectiveness of L2 models and the feature selection characteristics of L1 solutions. ...
  • Apache Mahout’s k-Means vs. fuzzy k-Means performance evaluation 

    Xhafa Xhafa, Fatos; Bogza, Adriana; Caballé Llobet, Santiago; Barolli, Leonard (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Conference report
    Open Access
    The emergence of the Big Data as a disruptive technology for next generation of intelligent systems, has brought many issues of how to extract and make use of the knowledge obtained from the data within short times, limited ...
  • Aportaciones a la modelización y resolución del problema de reparto proporcional con aplicaciones a la organización 

    Bautista Valhondo, Joaquín; Companys Pascual, Ramón; Corominas Subias, Albert (Centre de Publicacions d'Abast (CPDA - ETSEIB), 1999-09-16)
    Part of book or chapter of book
    Open Access
    El problema del reparto proporcional ha sido estudiado principalmente en relación con el reparto de escaños en una cámara de representantes, pero tiene muchas otras aplicaciones, una de las cuales es la resolución del ...
  • Approximate string matching algorithms in art media archives 

    Casanovas Martín, Fernando (Universitat Politècnica de Catalunya, 2009-05-18)
    Master thesis (pre-Bologna period)
    Open Access
    Covenantee:  Akademia Górniczo-Hutnicza im. S. Staszica w Krakowie
    The implementation of a distributed electronic art platform with a considerable amount of data available involves some technical challenges. Due to the lack of a common European platform for media art, the European ...