Listar ICC_Articles por título

Mostrando ítems 191-210 de 413

    • openAccess   Fast Algorithms for the Computation of the Minimum Distance of a Random Linear Code 

      Hernando, Fernando; Igual, Francisco D.; Quintana-Ortí, Gregorio Association for Computing Machinery (ACM) (2019-06)
      The minimum distance of an error-correcting code is an important concept in information theory. Hence, computing the minimum distance of a code with a minimum computational cost is crucial to many problems in this area. ...

    • closedAccess   Fast and Reliable Noise Estimation for Hyperspectral Subspace Identification 

      Benner, Peter; Novaković, Vedran; Plaza, Antonio; Quintana-Orti, Enrique S. Institute of Electrical and Electronics Engineers (IEEE) (2015-02)
      In this letter, we introduce an efficient algorithm to estimate the noise correlation matrix in the initial stage of the hyperspectral signal identification by minimum error (HySime) method, commonly used for signal subspace ...

    • closedAccess   Fast block QR update in digital signal processing 

      Alventosa, Fran J.; Alonso-Jordá, Pedro; Vidal, Antonio M.; Piñero, Gema; Quintana-Orti, Enrique S. Springer (2019-03)
      The processing of digital sound signals often requires the computation of the QR factorization of a rectangular system matrix. However, sometimes, only a given (and probably small) part of the system matrix varies from the ...

    • openAccess   Fast k-NN classifier for documents based on a graph structure 

      Artigas Fuentes, Fernando; Gil García, Reynaldo; Badía, José; Pons Porrata, Aurora Springer Verlag (2010)
      In this paper, a fast k nearest neighbors (k-NN) classifier for documents is presented. Documents are usually represented in a high-dimensional feature space, where terms appeared on it are treated as features and the ...

    • closedAccess   Fast video transcoding from HEVC to VP9 

      De la Torre, Enrique; Rodríguez Sánchez, Rafael; Martínez, José Luis Institute of Electrical and Electronics Engineers (2015-10)
      HEVC and VP9 are the current state-of-the-art in video compression, since their bit-streams were recently finalized in January and May 2013, respectively. These codecs are the generational successors of the currently most ...

    • openAccess   FaST-LMM for Two-Way Epistasis Tests on High-Performance Clusters 

      Martínez Pérez, Héctor; Barrachina Mir, Sergio; Castillo Catalán, María Isabel; Quintana-Orti, Enrique S.; Rambla, Jordi; Farré, Xavier; Navarro, Arcadi Mary Ann Liebert (2018-08)
      We introduce a version of the epistasis test in FaST-LMM for clusters of multithreaded processors. This new software maintains the sensitivity of the original FaST-LMM while delivering acceleration that is close to linear ...

    • openAccess   Fatigue Evaluation through Machine Learning and a Global Fatigue Descriptor 

      Ramos, Guilherme; Vaz, J.R.; Mendonça, G.V.; Pezarat-Correia, P.; Rodrigues, J.; Alfaras, Miquel; Gamboa, Hugo Hindawi (2020-01)
      Research in physiology and sports science has shown that fatigue, a complex psychophysiological phenomenon, has a relevant impact in performance and in the correct functioning of our motricity system, potentially being a ...

    • closedAccess   Few-View CT Image reconstruction via Least-Squares Methods: assessment and optimization 

      Chillarón, Mónica; Vidal, Vicente; Verdu, Gumersindo; Quintana-Ortí, Gregorio Taylor & Francis Group (2023-06-30)
      The use of iterative algebraic methods applied to the reconstruction of Computed Tomography (CT) Medical Images is proliferating to reconstruct high-quality CT images using far fewer views than through analytical methods. ...

    • closedAccess   Finding parallel patterns through static analysis in C++ applications 

      del Río Astorga, David; Dolz, Manuel F.; Sánchez García, Luis Miguel; García, J. Daniel; DANELUTTO, MARCO; Torquati, Massimo Sage (2017-03)
      Since the ‘free lunch’ of processor performance is over, parallelism has become the new trend in hardware and architecture design. However, parallel resources deployed in data centers are underused in many cases, given ...

    • closedAccess   Fine-grained bit-flip protection for relaxation methods 

      Anzt, Hartwig; Dongarra, Jack; Quintana-Ortí, Gregorio Elsevier (2019-09)
      Resilience is considered a challenging under-addressed issue that the high performance computing community (HPC) will have to face in order to produce reliable Exascale systems by the beginning of the next decade. As part ...

    • openAccess   Fitting primitive shapes in point clouds: a practical approach to improve autonomous underwater grasp specification of unknown objects 

      Fornas Garcia, David; Sales Gil, Jorge; Peñalver Monfort, Antonio; Pérez Soler, Javier; Fernández Fresneda, José Javier; Marin, Raul; Sanz, Pedro J Taylor & Francis (2015-04)
      This article presents research on the subject of autonomous underwater robot manipulation. Ongoing research in underwater robotics intends to increase the autonomy of intervention operations that require physical interaction ...

    • openAccess   For a Green Stadium: Economic Feasibility of Sustainable Renewable Electricity Generation at the Jeju World Cup Venue 

      Park, Eunil; Kwon, Sang Jib; del Pobil, Angel P. MDPI (2016)
      After the 2002 FIFA World Cup in South Korea and Japan, the local governments of South Korea were left in charge of several large-scale soccer stadiums. Although these governments have made significant efforts toward ...

    • closedAccess   Forecasting Adverse Weather Situations in the Road Network 

      Tomás, Vicente R.; Pla-Castells, Marta; Martínez, Juan José; Martínez-Cantó, Javier Institute of Electrical and Electronics Engineers (IEEE) (2016-08)
      Weather is an important factor that affects traffic flow and road safety. Adverse weather situations affect the driving conditions directly; hence, drivers must be informed about the weather conditions downstream to adapt ...

    • openAccess   Fostering Progress in Performance Evaluation and Benchmarking of Robotic and Automation Systems 

      Bonsignorio, Fabio; Messina, Elena; del Pobil, Angel P. IEEE (2014)
      We have shared benchmarks for many engineering systems and products in the market that can be used to compare solutions and systems. We can compare cars in terms of maximum speed, acceleration, and maximum torque; computers ...

    • closedAccess   Fragment-based approximate retrieval in highly heterogeneous XML collections 

      Sanz, Ismael; Mesiti, Marco; Guerrini, G.; Berlanga Llavori, Rafael Elsevier (2008)
      Due to the heterogeneous nature of XML data for internet applications exact matching of queries is often inadequate. The need arises to quickly identify subtrees of XML documents in a collection that are similar to a given ...

    • openAccess   Fuzzy distance sensor data integration and interpretation 

      Falomir, Zoe; Castelló, Vicente; Escrig Monferrer, María Teresa; Peris Broch, Juan Carlos World Scientific Publishing (2011-08)
      An approach to distance sensor data integration that obtains a robust interpretation of the robot environment is presented in this paper. This approach consists in obtaining patterns of fuzzy distance zones from sensor ...

    • openAccess   General framework for re-assuring numerical reliability in parallel Krylov solvers: A case of bi-conjugate gradient stabilized methods 

      Iakymchuk, Roman; Graillat, Stef; Aliaga Estellés, José Ignacio SAGE Publications Inc. (2024-01-01)
      Parallel implementations of Krylov subspace methods often help to accelerate the procedure of finding an approximate solution of a linear system. However, such parallelization coupled with asynchronous and out-of-order ...

    • 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 ...