Listar ICC_Articles por título

Mostrando ítems 227-246 de 430

    • 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; 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 ...

    • openAccess   I-AUV Mechatronics Integration for the TRIDENT FP7 Project 

      Rivas, David; Ridao, Pere; Turetta, Alessio; Melchiorri, Claudio; Palli, Gianluca; Fernández Fresneda, José Javier; Sanz, Pedro J Institute of Electrical and Electronics Engineers (IEEE) (2015-10)
      Autonomous underwater vehicles (AUVs) are routinely used to survey areas of interest in seas and oceans all over the world. However, those operations requiring intervention capabilities are still reserved to manned ...

    • openAccess   iMODS: internal coordinates normal mode analysis server 

      López Blanco, José R.; Aliaga Estellés, José Ignacio; Quintana-Orti, Enrique S.; Chacón, Pablo Oxford University Press (2014)
      Normal mode analysis (NMA) in internal (dihedral) coordinates naturally reproduces the collective functional motions of biological macromolecules. iMODS facilitates the exploration of such modes and generates feasible ...

    • openAccess   Implicit Hari–Zimmermann algorithm for the generalized SVD on the GPUs 

      Novaković, Vedran; Singer, Sanja SAGE Publications (2020-12-10)
      A parallel, blocked, one-sided Hari–Zimmermann algorithm for the generalized singular value decomposition (GSVD) of a real or a complex matrix pair (F,G) is here proposed, where F and G have the same number of columns, and ...

    • openAccess   Improved Accuracy and Parallelism for MRRR-Based Eigensolvers -- A Mixed Precision Approach 

      Petschow, Matthias; Quintana-Orti, Enrique S.; Bientinesi, Paolo Society for Industrial and Applied Mathematics (2014)
      The real symmetric tridiagonal eigenproblem is of outstanding importance in numerical computations; it arises frequently as part of eigensolvers for standard and generalized dense Hermitian eigenproblems that are based on ...

    • closedAccess   Improving data fusion in personal positioning systems for outdoor environments 

      Pulido Herrera, Edith; Kaufmann, H.; Secue, J.; Quirós Bauset, Ricardo; Fabregat Llueca, German Elsevier (2013)
      A fault detection and correction methodology for personal positioning systems for outdoor environments is presented. We demonstrate its successful use in a system consisting of a global positioning system receiver and an ...

    • openAccess   Improving MQTT Data Delivery in Mobile Scenarios: Results from a Realistic Testbed 

      Luzuriaga, Jorge E.; Pérez-Francisco, Miguel; Boronat, Pablo; Calafate, Carlos; Manzoni, Pietro; Cano, Juan Carlos Hindawi (2016)
      MQTT is being widely used for data delivery in IoT applications but its architecture does not properly handle mobility when disconnection periods tend to be large. In this paper we describe an experimental evaluation, ...

    • openAccess   Improving the management efficiency of GPU workloads in data centers through GPU virtualization 

      Iserte, Sergio; Prades, Javier; Reaño, Carlos; Silla, Federico Wiley (2019)
      Graphics processing units (GPUs) are currently used in data centers to reduce the execution time of compute‐intensive applications. However, the use of GPUs presents several side effects, such as increased acquisition costs ...

    • closedAccess   Improving the user experience of the rCUDA remote GPU virtualization framework 

      Reaño, Carlos; Silla, Federico; Castelló, Adrián; Peña Monferrer, Antonio J.; Mayo, Rafael; Quintana-Orti, Enrique S. Wiley (2014-10)
      Graphics processing units (GPUs) are being increasingly embraced by the high-performance computing community as an effective way to reduce execution time by accelerating parts of their applications. remote CUDA (rCUDA) was ...

    • closedAccess   Increasing data locality and introducing Level-3 BLAS in the Neville elimination 

      Alonso-Jordá, Pedro; Cortina Parajón, Raquel; Quintana-Orti, Enrique S.; Ranilla Pastor, José Elsevier (2011-12-01)
      In this paper we present two new algorithmic variants to compute the Neville elimination, with and without pivoting, which improve data locality and cast most of the computations in terms of high-performance Level 3 BLAS. ...

    • openAccess   Indoor Positioning and Fingerprinting:The R Package ipft 

      Sansano-Sansano, Emilio; Montoliu Colás, Raul; Belmonte-Fernández, Óscar; Torres-Sospedra, Joaquín The R Foundation (2019)
      Methods based on Received Signal Strength Indicator (RSSI) fingerprinting are in theforefront among several techniques being proposed for indoor positioning. This paper introducesthe R packageipft, which provides ...

    • openAccess   Inspection Operations and Hole Detection in Fish Net Cages through a Hybrid Underwater Intervention System Using Deep Learning Techniques 

      López Barajas, Salvador; Sanz, Pedro J; Marin, Raul; Gómez-Espinosa, Alfonso; González-García, Josué; Echagüe, Juan MDPI (2023-12-29)
      Net inspection in fish-farm cages is a daily task for divers. This task represents a high cost for fish farms and is a high-risk activity for human operators. The total inspection surface can be more than 1500 m2 , which ...