• closedAccess   Generalized least squares-based parametric motion estimation 

      Montoliu Colás, Raul; Pla, Filiberto Elsevier (2009)
      The estimation of parametric global motion had a significant attention during the last two decades, but despite the great efforts invested, there are still open issues. The most important ones are related to the accuracy ...
    • openAccess   GPU acceleration of a non-standard finite element mesh truncation technique for electromagnetics 

      Badía, José; Amor-Martin, Adrian; BELLOCH, JOSE A.; GARCIA, LUIS EMILIO IEEE (2020-05-07)
      The emergence of General Purpose Graphics Processing Units (GPGPUs) provides new opportunities to accelerate applications involving a large number of regular computations. However, properly leveraging the computational ...
    • openAccess   GPU-Accelerated Vision for Robots: Improving System Throughput Using OpenCV and CUDA 

      Cervera, Enric IEEE (2020-06)
      OpenCV is an open source computer vision and machine learning library for C/C++/Python available for Windows, Linux, macOS, and Android platforms. It contains low-level image processing functions as well as high-level ...
    • openAccess   GPU-based Dynamic Wave Field Synthesis using Fractional Delay Filters and Room Compensation 

      BELLOCH, JOSE A.; González, Alberto; Quintana-Orti, Enrique S.; Ferrer, Miguel; Välimäki, Vesa IEEE (2017-02)
      Wave Field Synthesis (WFS) is a multichannel audio reproduction method, of a considerable computational cost that renders an accurate spatial sound field using a large number of loudspeakers to emulate virtual sound ...
    • closedAccess   Graphics processing unit computing and exploitation of hardware accelerators 

      Amor, Margarita; Doallo, Ramón; Fraguela, Basilio B.; Herrero, Josep R.; Quintana-Orti, Enrique S.; Strzodka, Robert Wiley (2013-01-02)
      This special issue contributes to this promising field with extended and carefully reviewed versions of selected papers from two workshops, namely the 2nd Minisymposium on GPU Computing, which was held as part of the 9th ...
    • openAccess   Grasping for the Seabed: Developing a New Underwater Robot Arm for Shallow-Water Intervention 

      Fernández Fresneda, José Javier; Prats, Mario; Sanz, Pedro J; García, Juan Carlos; Marin, Raul; Robinson, Mike; Ribas, David; Ridao, Pere Institute of Electrical and Electronics Engineers (IEEE) (2013)
      A new underwater robot arm was developed through intensive cooperation between different academic institutions and an industrial company. The manipulator, which was initially designed to be teleoperated, was adapted ...
    • openAccess   GSaaS: A service to cloudify and schedule GPUs 

      Iserte, Sergio; Peña-Ortiz, Raúl; Gutiérrez-Aguado, Juan; Claver, José M.; Mayo, Rafael IEEE (2018-07)
      Cloud technology is an attractive infrastructure solution that provides customers with an almost unlimited on-demand computational capacity using a pay-per-use approach, and allows data centers to increase their energy and ...
    • closedAccess   H.264/AVC inter prediction for heterogeneous computing systems 

      Rodríguez Sánchez, Rafael; Martínez, José Luis; Fernández Escribano, Gerardo; Claver, José M.; Sánchez, José L. Springer (2013)
      H.264/AVC is the latest standard for video compression and is a significant advance, but at the expense of increasing computing needs. Recently, the progress of GPUs has attracted considerable attention because they are ...
    • openAccess   H.264/AVC inter prediction on accelerator-based multi-core systems 

      Rodríguez Sánchez, Rafael; Martínez, José Luis; Fernández Escribano, Gerardo; Sánchez, José L.; Claver, José M. Springer (2013)
      The AVC video coding standard adopts variable block sizes for inter frame coding to increase compression efficiency, among other new features. As a consequence of this, an AVC encoder has to employ a complex mode decision ...
    • openAccess   Hierarchical approach for deriving a reproducible unblocked LU factorization 

      Iakymchuk, Roman; Graillat, Stef; Defour, David; Quintana-Orti, Enrique S. Sage (2019-03-17)
      We propose a reproducible variant of the unblocked LU factorization for graphics processor units (GPUs). For this purpose, we build upon Level-1/2 BLAS kernels that deliver correctly-rounded and reproducible results for ...
    • openAccess   High performance and energy efficient inference for deep learning on multicore ARM processors using general optimization techniques and BLIS 

      Castelló, Adrián; Barrachina Mir, Sergio; Dolz, Manuel F.; Quintana-Orti, Enrique S.; San Juan, Pau; Tomás Domínguez, Andrés Enrique Elsevier (2022-03-22)
      We evolve PyDTNN, a framework for distributed parallel training of Deep Neural Networks (DNNs), into an efficient inference tool for convolutional neural networks. Our optimization process on multicore ARM processors ...
    • closedAccess   High performance computing tools in science and engineering 

      Quintana-Orti, Enrique S.; Vigo Aguiar, Jesús; Ranilla Pastor, José Springer Science+Business Media (2011-11)
      New large-scale problems with growing computational demands continuously arise in many scientific and engineering applications as, e.g., in bioinformatics, computational chemistry, communications or astrophysics. Effectively ...
    • closedAccess   High performance computing tools in science and engineering II 

      Quintana-Orti, Enrique S.; Vigo Aguiar, Jesús; Ranilla Pastor, José Springer Science+Business Media (2011-12)
      This special issue collects research papers selected among those presented at the second minisymposium “HPC applied to Computational Problems in Science and Engineering” which was held in June 2010, in Almeria, Spain. ...
    • openAccess   High-performance reconstruction of CT medical images by using out-of-core methods in GPU 

      Quintana-Ortí, Gregorio; Chillarón, Mónica; Vidal, Vicente; Verdu, Gumersindo Elsevier (2022-03-02)
      Background and objective:Since Computed Tomography (CT) is one of the most widely used medical imaging tests, it is essential to work on methods that reduce the radiation the patient is exposed to. Although there are several ...
    • openAccess   Highly sensitive and ultrafast read mapping for RNA-seq analysis 

      Barrachina Mir, Sergio; Castillo Catalán, María Isabel; Martínez Pérez, Héctor; Medina, Ignacio; Tárraga, Joaquín; Quintana-Orti, Enrique S.; Dopazo, Joaquín; Salavert Torres, José; Blanquer Espert, Ignacio; Paschall, J.; Hernández-García, V. Oxford University Press (2016)
      As sequencing technologies progress, the amount of data produced grows exponentially, shifting the bottleneck of discovery towards the data analysis phase. In particular, currently available mapping solutions for RNA-seq ...
    • openAccess   Householder QR Factorization With Randomization for Column Pivoting (HQRRP) 

      MARTINSSON, GUNNAR; Quintana-Ortí, Gregorio; Heavner, Nathan; Van de Geijn, Robert A. Society for Industrial and Applied Mathematics (2017)
      A fundamental problem when adding column pivoting to the Householder QR fac- torization is that only about half of the computation can be cast in terms of high performing matrix- matrix multiplications, which greatly ...
    • openAccess   How deeply do we include robotic agents in the self? 

      Stenzel, Anna; Chinellato, Eris; del Pobil, Angel P.; Lappe, Markus; Liepelt, Roman World Scientific Publishing (2013)
      In human–human interactions, a consciously perceived high degree of self–other overlap is associated with a higher degree of integration of the other person's actions into one's own cognitive representations. Here, we ...
    • closedAccess   Hybrid static–dynamic selection of implementation alternatives in heterogeneous environments 

      del Río Astorga, David; Dolz, Manuel F.; Fernández Muñoz, Javier; García Blas, Javier Springer (2019-09)
      With the emergence of heterogeneous architectures, developing parallel software has become an increasingly complex task. The ability of using multiple devices in a single application, such as CPUs, accelerators, or ...
    • openAccess   Hyperspectral Unmixing on Multicore DSPs: Trading Off Performance for Energy 

      Castillo Catalán, María Isabel; Fernández Fernández, Juan Carlos; Igual, Francisco D.; Plaza, Antonio; Quintana-Orti, Enrique S.; Remón Gómez, Alfredo IEEE (2014)
      Wider coverage of observation missions will increase onboard power restrictions while, at the same time, pose higher demands from the perspective of processing time, thus asking for the exploration of novel high-performance ...
    • openAccess   I-AUV Docking and Panel Intervention at Sea 

      Palomeras, Narcís; Peñalver Monfort, Antonio; Massot-Campos, Miquel; Lluís Negre, Pep; Fernández Fresneda, José Javier; Ridao, Pere; Sanz, Pedro J; Oliver-Codina, Gabriel MDPI (2016)
      The use of commercially available autonomous underwater vehicles (AUVs) has increased during the last fifteen years. While they are mainly used for routine survey missions, there is a set of applications that nowadays can ...