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    • Accurate molecular atom selection in VR 

      Molina López, Elena; Vázquez Alcocer, Pere Pau (European Association for Computer Graphics (Eurographics), 2022)
      Text en actes de congrés
      Accés obert
      Target acquisition is a basic task that is part of almost any high-level interaction in 3D environments. Therefore, providing accurate selection is a necessity for most applications and games. When targets are small and ...

    • Accurate multi-modal image registration using compression 

      Vázquez Alcocer, Pere Pau; Marco Gómez, Jordi (IADIS Press, 2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Image registration is an important task in medicine, especially when images have been acquired by different scanner/sensor types, since they provide information on different body structures (bones, muscles, vessels...). ...

    • Accurate numerical approach to Quantum Mechanics 

      Bosch, Miquel; Megías, Guillem; Pascual, Gerard (Universitat Politècnica de Catalunya, 2018)
      Treball d'assignatura
      Accés obert
      Quantum Mechanics is considered as one of the most weird branches in physics with the most, although accurate, counter intuitive predictions. The problem lies not on the theory but on what it is trying to explain: the ...

    • Accurate numerical modeling of the TARA reflector system 

      Heldring, Alexander; Rius Casals, Juan Manuel; Ligthart, Leo P.; Cardama Aznar, Ángel (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2004-07-31)
      Article
      Accés obert
      The radiation pattern of the large parabolic reflectors of the Transportable Atmospheric RAdar system (TARA), developed at Delft University of Technology, has been accurately simulated. The electric field integral ...

    • Accurate off-line phase classification for HW/SW co-designed processors 

      Brankovic, Aleksandar; Stavrou, Kyriakos; Gibert Codina, Enric; González Colás, Antonio María (Association for Computing Machinery (ACM), 2014)
      Text en actes de congrés
      Accés obert
      Evaluation techniques in microprocessor design are mostly based on simulating selected application's samples using a cycle-accurate simulator. These samples usually correspond to different phases of the application stream. ...

    • Accurate phase synchronization for precoding-enabled GEO multibeam satellite systems 

      Martínez Marrero, Liz; Merlano Duncan, Juan Carlos; González Rios, Jorge Luis; Krivochiza, Jevgenij; Chatzinotas, Symeon; Ottersten, Bjorn; Camps Carmona, Adriano José (Institute of Electrical and Electronics Engineers (IEEE), 2024)
      Article
      Accés obert
      Synchronizing the local oscillators in multibeam satellites with the objective of coherent communications is still an open challenge. It has to be addressed to implement full-frequency reuse approaches, such as precoding ...

    • Accurate prediction of spring-back phenomenon by subloading surface mode 

      Tateishi, Motoharu; Hashiguchi, Koichi (CIMNE, 2019)
      Text en actes de congrés
      Accés obert
      The subloading surface model possesses the distinguished capability to describe the plastic strain rate for the rate of stress inside the yield surface accurately and the stresscontrolling function to pull-back the stress ...

    • Accurate recovery-based upper error bounds for the extended finite element framework 

      Ródenas García, Juan José; González Estrada, O. A.; Díez, Pedro; Fuenmayor, F. J. (2010-08-01)
      Article
      Accés obert
      This paper introduces a recovery-type error estimator yielding upper bounds of the error in energy norm for linear elastic fracture mechanics problems solved using the extended finite element method (XFEM). The paper can ...

    • Accurate solution of the boundary integral equation in 2d lagrangian vortex method for flow simulation around curvilinear airfoils 

      Soldatova, Irina A.; Marchevsky, Ilia K.; Kuzmina, Kseniia S. (CIMNE, 2019)
      Text en actes de congrés
      Accés obert
      The problem of numerical solution of the boundary integral equation is considered for 2D case. Viscous vortex domains (VVD) method is used for flow simulation, so vorticity is generated on the whole surface line of the ...

    • Accurate thermal-induced structural failure analysis under incompressible conditions 

      Filho, Carlos Augusto Moreira; Barbat Vlad, Gabriel; Cervera Ruiz, Miguel; Chiumenti, Michele (Elsevier, 2022-06)
      Article
      Accés restringit per política de l'editorial
      In this work, the performance of the mixed 3-field displacement/deviatoric-strain/pressure (u/e/p) finite element is examined for nonlinear thermo-mechanical structural applications under incompressible behavior. The ...

    • Accurate upper and lower error bounds by solving flux-free local problems in 

      Díez, Pedro; Parés Mariné, Núria; Huerta, Antonio (2004-12)
      Article
      Accés obert
      Two implicit residual type estimators yielding upper bounds of the error are presented which do not require flux equilibration. One of them is based on the ideas introduced in [MAC 00, CAR 99, MOR 03, PRU 02]. The new ...

    • Accurate video object tracking using a region-based particle filter 

      Girbau Xalabarder, Andreu (Universitat Politècnica de Catalunya, 2017-02-06)
      Projecte Final de Màster Oficial
      Accés obert
      Usually, in particle filters applied to video tracking, a simple geometrical shape, typically an ellipse, is used in order to bound the object being tracked. Although it is a good tracker, it tends to a bad object ...

    • Accurate, grid-robust and versatile combined-field discretization for the electromagnetic scattering analysis of perfectly conducting targets 

      Úbeda Farré, Eduard; Sekulic, Ivan; Rius Casals, Juan Manuel; Heldring, Alexander (2020-04-15)
      Article
      Accés obert
      Recent implementations of the Electric-Field Integral Equation (EFIE) for the electromagnetic scattering analysis of perfectly conducting targets rely on the electric current expansion with the monopolar-RWG basis functions, ...

    • Accurately measuring contention in Mesh NoCs in time-sensitive embedded systems 

      Cardona Nadal, Jordi; Hernández Luz, Carles; Abella Ferrer, Jaume; Mezzetti, Enrico; Cazorla Almeida, Francisco Javier (Association for Computing Machinery (ACM), 2023-05)
      Article
      Accés obert
      The computing capacity demanded by embedded systems is on the rise as software implements more functionalities, ranging from best-effort entertainment functions to performance-guaranteed safety-related functions. Heterogeneous ...

    • Accurately modeling IR spectra of astronomical interesting nanoclusters 

      Mariñoso Guiu, Joan; Bromley, Stefan T. (Barcelona Supercomputing Center, 2019-05-07)
      Text en actes de congrés
      Accés obert

    • ACE-OT: Polarimetric SAR data based amplitude contrast enhancement algorithm for offset tracking applications 

      Du, Sen; Mallorquí Franquet, Jordi Joan; Zhao, Feng (Institute of Electrical and Electronics Engineers (IEEE), 2022-08-01)
      Article
      Accés obert
      The use of polarimetric synthetic aperture radar (SAR) data can improve the performance of persistent scatterer interferometry (PSI). However, its huge potential remains locked for the amplitude information-based offset ...

    • Aceleración con CUDA de Procesos 3D 

      Raya Vaquera, Jose Antonio (Universitat Politècnica de Catalunya, 2009-01-26)
      Projecte/Treball Final de Carrera
      Accés obert
      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 ...

    • Aceleración de deslizamientos por efectos térmicos: modelación mediante el método del punto material 

      Alvarado Bueno, Mauricio; Pinyol Puigmartí, Núria Mercè; Alonso Pérez de Agreda, Eduardo (2017)
      Text en actes de congrés
      Accés obert
      La ocurrencia de deslizamientos rápidos se ha ligado a la pérdida de resistencia efectiva a lo largo de la superficie de rotura debido a excesos de presión de agua inducidos por el calor generado durante el propio movimiento. ...

    • Aceleración de simulaciones de fluidos Lattice Boltzmann utilizando CUDA 

      Ojeda Contreras, Jesús (2009)
      Text en actes de congrés
      Accés obert
      En la simulación computacional de fluidos Newtonianos es bastante reciente el uso del método Lattice Boltzmann (LBM) en comparación con otras técnicas más desarrolladas como Marker-and-Cell (MAC) o Smoothed Particle ...

    • Acelerador hardware para procesado vectorial de datos 

      Morillo Velázquez, Germán (Universitat Politècnica de Catalunya, 2016-07)
      Projecte/Treball Final de Carrera
      Accés restringit per decisió de l'autor
      En el procesado masivo de la información se emplean técnicas de paralelización y procesadores vectoriales para trabajar con grandes volúmenes de datos. La información se suele encontrar almacenada en memorias externas ...