Ara es mostren els items 1-20 de 33

    • A feature-based subband coding scheme 

      Casas Pla, Josep Ramon; Torres Urgell, Lluís (Institute of Electrical and Electronics Engineers (IEEE), 1996)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      A feature-based subband coding scheme is presented. It is intended for the coding of the texture component of a two-component image model. The primary component contains the strong edges, individually described by their ...
    • A Lagrangian–Eulerian finite element algorithm for advection–diffusion–reaction problems with phase change 

      Oliveira, Beñat; Afonso, Juan Carlos; Zlotnik, Sergio (2016-03)
      Article
      Accés obert
      This paper presents a particle-based Lagrangian–Eulerian algorithm for the solution of the unsteady advection–diffusion–reaction heat transfer equation with phase change. The algorithm combines a Lagrangian formulation for ...
    • A parametric-space-based scan-line algorithm for rendering of bicubic surfaces 

      Pueyo Sánchez, Xavier; Brunet Crosa, Pere (1987)
      Article
      Accés obert
      A novel scan-line algorithm for displaying bicubic surfaces is presented. Patches are decomposed on regions of constant sign of the z component of the normal before the scan process. Most of the computations are done in ...
    • Accelerating super-resolution for 4K upscaling 

      Pérez-Pellitero, Eduardo; Salvador, Jordi; Ruiz Hidalgo, Javier; Rosenhahn, Bodo (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper presents a fast Super-Resolution (SR) algorithm based on a selective patch processing. Motivated by the observation that some regions of images are smooth and unfocused and can be properly upscaled with fast ...
    • An outdoor TV band radio environment map for a manhattan like layout 

      Umbert Juliana, Anna; Casadevall Palacio, Fernando José; Rodríguez, Estuardo G. (2016)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper presents an outdoor Radio Environment Map (REM) for the television band applied to the UPCCampus Nord, which has a Manhattan like structure. A measurement campaign of the received TV signal in the streets and ...
    • Analisi del temporal de vent sever del 24 de gener del 2009 al Baix Llobregat: modelitzacio i interpolacio de la direccio i intensitat del vent. 

      Deniz Catlla, Carlos Jose (Universitat Politècnica de Catalunya, 2011-03-31)
      Treball Final de Grau
      Accés obert
      El 24 de gener del 2009 una ciclogenesi explosiva va provocar un temporal de vent sever, que va ensorrar edificis, va afectar greument a algunes infraestructures, cases i edificis, sent la causa de fins a set victimes ...
    • Channel-wise early stopping without a validation set via NNK polytope interpolation 

      Bonet Solé, David; Ortega, Antonio; Ruiz Hidalgo, Javier; Sarath Shekkizhar, Sarath (2021)
      Text en actes de congrés
      Accés obert
      State-of-the-art neural network architectures continue to scale in size and deliver impressive generalization results, although this comes at the expense of limited interpretability. In particular, a key challenge is to ...
    • Data-driven leak localization in water distribution networks via dictionary learning and graph-based interpolation 

      Irofti, Paul; Romero Ben, Luis; Stoican, Florin; Puig Cayuela, Vicenç (Institute of Electrical and Electronics Engineers (IEEE), 2022)
      Text en actes de congrés
      Accés obert
      In this paper, we propose a data-driven leak localization method for water distribution networks (WDNs) which combines two complementary approaches: graph-based interpolation and dictionary classification. The former ...
    • Defining an2-disparity measure to check and improve the geometric accuracy of noninterpolating curved high-order meshes 

      Ruiz Gironés, Eloi; Sarrate Ramos, Josep; Roca Navarro, Francisco Javier (Elsevier, 2015)
      Text en actes de congrés
      Accés obert
      We define an2-disparity measure between curved high-order meshes and parameterized manifolds in terms of an2norm. The main application of the proposed definition is to measure and improve the distance between a curved high-order ...
    • Design and implementation of a wide-band real-time mobile channel emulator 

      Olmos Bonafé, Juan José; Gelonch Bosch, Antonio José; Casadevall Palacio, Fernando José; Femenias Nadal, Guillem (1999-05)
      Article
      Accés obert
      A new wide-band mobile channel emulator for the CODIT project is designed and implemented. The UMTS code-division testbed (CODIT R2020) is a research project within the European RACE-II program set up by the Commission of ...
    • Direct determination of a low-pass components of a band-pass signal from samples of it and delayed versions of it 

      Figueiras Vidal, Aníbal R.; García Gómez, Ramón; Lagunas Hernandez, Miguel A.; Mariño Acebal, José Bernardo; Casar Corredera, José Ramón (Institute of Electrical and Electronics Engineers (IEEE), 1981)
      Text en actes de congrés
      Accés obert
    • Diseño de una herramienta porosa para el pulido de superficies ópticas usando programación lineal 

      Cuauhtémoc H. Castañeda, Roldan; González García, Jorge; Álvarez Martín, Luz del Carmen; Manzano Sumano, Liliana Jeanett; Santiago Alvarado, Agustín (Universitat Politècnica de Catalunya, 2009)
      Article
      Accés obert
      En este trabajo se diseña una nueva herramienta de pulido de superficies ópticas, que hemos llamado porosa, debido a que está formada por perforaciones y postes circulares. El diseño de esta nueva herramienta se basa en ...
    • Exploiting asynchrony from exact forward recovery for DUE in iterative solvers 

      Jaulmes, Luc; Casas, Marc; Moretó Planas, Miquel; Ayguadé Parra, Eduard; Labarta Mancho, Jesús José; Valero Cortés, Mateo (2015)
      Report de recerca
      Accés obert
      This paper presents a method to protect iterative solvers from Detected and Uncorrected Errors (DUE) relying on error detection techniques already available in commodity hardware. Detection operates at the memory page ...
    • Generalized Pólya condition for Birkhoff interpolation with lacunary polynomials 

      Palacios Quiñonero, Francisco; Rubió Díaz, Pedro (2003-05)
      Article
      Accés obert
    • Image Space and Time Interpolation for Video Navigation 

      Tamariz Sánchez, Angel Augusto (Universitat Politècnica de Catalunya, 2011-10-26)
      Projecte Final de Màster Oficial
      Accés obert
      English: The aim of image-based video navigation is essentially to achieve a continuous change in the viewpoint without the need of a complete camera coverage of the space of interest. By making use of image interpolation, ...
    • Implementación FPGA de un transmisor de pulsos Nyquist 

      Fernández Cuenca, Daniel (Universitat Politècnica de Catalunya, 2016)
      Projecte/Treball Final de Carrera
      Accés obert
    • Incertidumbre en el análisis multitemporal en terrenos escarpados debido al uso de MDE 

      Rodríguez Jordana, Juan; Núñez Andrés, María Amparo; Buill Pozuelo, Felipe (2021)
      Article
      Accés obert
      La calidad de los modelos digitales de elevación (MDE) es fundamental en geomorfología, especialmente en los estudios multitemporales en los que se quiere reconocer los cambios de relieve mediante el cálculo del volumen ...
    • Interpolation and extrapolation of image partitions using Fourier descriptors: application to segmentation-based coding schemes 

      Marqués Acosta, Fernando; Llorens, Bernat; Gasull Llampallas, Antoni (. S.N., 1995)
      Text en actes de congrés
      Accés obert
      This paper presents an interpolation/extrapolation technique for sequence partitions. It consists of four steps: region parametrization, region interpolation, region ordering and partition creation. The evolution of each ...
    • Leak localization in water distribution networks using a Kriging data-based approach 

      Soldevila, Adrià; Jensen, Tom Nørgaard; Blesa Izquierdo, Joaquim; Tornil Sin, Sebastián; Fernández Canti, Rosa M.; Puig Cayuela, Vicenç (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper presents a Kriging data-based method for leak localization in Water Distribution Networks (WDNs). Given a set of sensors that provide pressure measurements in some inner nodes of the WDN, a WDN data-driven model ...
    • Morphological interpolation for texture coding 

      Casas Pla, Josep Ramon; Salembier Clairon, Philippe Jean; Torres Urgell, Lluís (. S.N., 1995)
      Text en actes de congrés
      Accés obert
      In this paper a new morphological interpolation technique is presented. It is applied to the coding of the smooth (primary) component in a sketch-based image compression approach for very low bit-rates. The interpolation ...