Listar ICC_Articles por título

Mostrando ítems 171-190 de 413

    • openAccess   Evaluation of the Electromyography Test for the Analysis of the Aerobic-Anaerobic Transition in Elite Cyclists during Incremental Exercise 

      Latasa, Iban; Cordova, Alfredo; Quintana-Ortí, Gregorio; Lavilla-Oiz, Ana; Navallas, Javier; Rodriguez-Falces, Javier MDPI (2019-02-11)
      (1) Background: The aim of this study was to investigate the validity and reliability of surface electromyography (EMG) for automatic detection of the aerobic and anaerobic thresholds during an incremental continuous cycling ...

    • openAccess   Experiences in the development of electronic care plans for the management of comorbidities 

      Lozano, Esther; Marcos, Mar; Martínez-Salvador, Begoña; Alonso, Albert; Alonso, Josep Ramon Springer Verlag (2010)
      Recent studies have shown that care plans with comprehen- sive home interventions can be effective in the management of chronic patients. Evidence also exists about the importance of tailoring these care plans to patients, ...

    • openAccess   Una experiencia de evaluación formadora por compañeros 

      Marqués-Andrés, Mercedes; Badía, José; Martínez Martín, Ester Asociación de Enseñantes Universitarios de la Informática (2013-09)
      En el seminario permanente de innovación educativa en el que participamos nos hemos formado en el uso de la autoevaluación y la evaluación por compañeros para llevar a cabo la evaluación continua que ha venido de la mano ...

    • openAccess   Exploiting nested task-parallelism in the H-LU factorization 

      Carratalá-Sáez, Rocío; Christophersen, Sven; Aliaga Estellés, José Ignacio; Beltran Querol, Vicenç; Börm, Steffen; Quintana-Orti, Enrique S. Elsevier (2019-04)
      We address the parallelization of the LU factorization of hierarchical matrices (-matrices) arising from boundary element methods. Our approach exploits task-parallelism via the OmpSs programming model and runtime, which ...

    • openAccess   Exploiting Task and Data Parallelism in ILUPACK's Preconditioned CG Solver on NUMA Architectures and Many-core Accelerators 

      Aliaga Estellés, José Ignacio; Badía Sala, Rosa María; Barreda Vayá, Maria; Bollhöffer, Matthias; Dufrechou, Ernesto; Ezzatti, Pablo; Quintana-Orti, Enrique S. Elsevier (2016-05)
      We present specialized implementations of the preconditioned iterative linear system solver in ILUPACK for Non-Uniform Memory Access (NUMA) platforms and many-core hardware co-processors based on the Intel Xeon Phi and ...

    • closedAccess   Exploiting the capabilities of modern GPUs for dense matrix computations 

      Barrachina Mir, Sergio; Castillo Catalán, María Isabel; Igual, Francisco D.; Mayo, Rafael; Quintana-Orti, Enrique S.; Quintana-Ortí, Gregorio John Wiley & Sons (2009)
      We present several algorithms to compute the solution of a linear system of equations on a graphics processor (GPU), as well as general techniques to improve their performance, such as padding and hybrid GPU-CPU computation. ...

    • closedAccess   Exploiting thread-level parallelism in the iterative solution of sparse linear systems 

      Aliaga Estellés, José Ignacio; Bollhöfer, Matthias; Martín Huertas, Alberto F.; Quintana-Orti, Enrique S. Elsevier (2011)
      We investigate the efficient iterative solution of large-scale sparse linear systems on shared-memory multiprocessors. Our parallel approach is based on a multilevel ILU preconditioner which preserves the mathematical ...

    • openAccess   Exploring 3-D Reconstruction Techniques: A Benchmarking Tool for Underwater Robotics 

      Pérez Soler, Javier; Sales Gil, Jorge; Peñalver Monfort, Antonio; Fornas Garcia, David; Fernández Fresneda, José Javier; García Sánchez, Juan Carlos; Sanz, Pedro J; Marin, Raul; Prats, Mario Institute of Electrical and Electronics Engineers (IEEE) (2015-09)
      When the results of research in the field of robotics are presented to the scientific community, the same question is asked repeatedly: Are the results really reproducible? Regarding benchmarking issues, some technological ...

    • closedAccess   Exploring large macromolecular functional motions on clusters of multicore processors 

      López Blanco, José R.; Reyes, Ruymán; Aliaga Estellés, José Ignacio; Badía Sala, Rosa María; Chacón, Pablo; Quintana-Orti, Enrique S. Elsevier (2013-08)
      Normal modes in internal coordinates (IC) furnish an excellent way to model functional collective motions of macromolecular machines, but exhibit a high computational cost when applied to large-sized macromolecules. In ...

    • closedAccess   Exploring multimodal interfaces for Underwater Intervention Systems 

      García Sánchez, Juan Carlos; Prats Sánchez, Mario; Sanz, Pedro J IEEE (2010)
      Graphical User Interfaces play a very important role in the context of Underwater Intervention Systems. Classical solutions, specially concerning Remotely Operated Vehicles, frequently require users with an advanced ...

    • closedAccess   Exploring stream parallel patterns in distributed MPI environments 

      López-Gómez, Javier; Fernández Muñoz, Javier; del Río Astorga, David; Dolz, Manuel F.; García, J. Daniel Elsevier (2019)
      In recent years, the large volumes of stream data and the near real-time requirements of data streaming applications have exacerbated the need for new scalable algorithms and programming interfaces for distributed and ...

    • openAccess   Exploring the interoperability of remote GPGPU virtualization using rCUDA and directive-based programming models 

      Castelló, Adrián; Pena, Antonio J.; Mayo, Rafael; Planas, Judit; Quintana-Orti, Enrique S.; Balaji, Pavan Springer (2016-06-21)
      Directive-based programming models, such as OpenMP, OpenACC, and OmpSs, enable users to accelerate applications by using coprocessors with little effort. These devices offer significant computing power, but their use can ...

    • closedAccess   Exploring the performance–power–energy balance of low-power multicore and manycore architectures for anomaly detection in remote sensing 

      León Navarro, Germán; Molero, Jose M.; Garzon, E.M.; García, I.; Plaza, Antonio; Quintana-Orti, Enrique S. Springer Verlag (2015)
      In this paper, we perform an experimental study of the interactions between execution time (i.e., performance), power, and energy that occur in modern low-power architectures when executing the RX algorithm for detecting ...

    • openAccess   Extending lyapack for the solution of band Lyapunov equations on hybrid CPU–GPU platforms 

      Benner, Peter; Remón Gómez, Alfredo; Dufrechou, Ernesto; Ezzatti, Pablo; Quintana-Orti, Enrique S. Springer Verlag (2015)
      The solution of large-scale Lyapunov equations is an important tool for the solution of several engineering problems arising in optimal control and model order reduction. In this work, we investigate the case when the ...

    • closedAccess   Extending OpenMP to Survive the Heterogeneous Multi-Core Era 

      Ayguadé, Eduardo; Badía Sala, Rosa María; Bellens, Pieter; Cabrera, Daniel; Durán, Alejandro; Ferrer, Roger; González, Marc; Igual, Francisco D.; Jiménez González, Daniel; Labarta Mancho, Jesús; Martinell, Luis; Martorell, Xavier; Mayo, Rafael; Pérez, Josep M.; Planas, Judit; Quintana-Orti, Enrique S. Springer US (2010)
      This paper advances the state-of-the-art in programming models for exploiting task-level parallelism on heterogeneous many-core systems, presenting a number of extensions to the OpenMP language inspired in the StarSs ...

    • closedAccess   Extending the Gauss-Huard method for the solution of Lyapunov matrix equations and matrix inversion 

      Benner, Peter; Ezzatti, Pablo; Quintana-Orti, Enrique S.; Remón, Alfredo Wiley (2017-05-10)
      The solution of linear systems is a recurrent operation in scientific and engineering applications, traditionally addressed via the LU factorization. The Gauss-Huard (GH) algorithm has been introduced as an efficient ...

    • closedAccess   Extending the technology acceptance model in remote pointing technology: identifying the role of perceived mobility and control 

      Park, Eunil; del Pobil, Angel P. Emerald (2013)
      Purpose – Despite the increasing popularity and interest in remote pointing devices such as Wii remote controllers, there have been few studies that find and evaluate the users' psychological aspects of technology acceptance. ...

    • closedAccess   Extracting invariant characteristics of sketch maps: Towards place query-by-sketch 

      Tang, Ming; Falomir, Zoe; Freksa, Christian; Sheng, Yehua; Lyu, Haiyang Wiley (2020-08-01)
      In geography, invariant aspects of sketches are essential to study because they reflect the human perception of real-world places. A person's perception of a place can be ex-pressed in sketches. In ...

    • openAccess   Facial recognition patterns of children and adults looking at robotic faces 

      del Pobil, Angel P.; Joon Kim, Ki; Park, Eunil In-Tech (2012)
      The present study investigates whether adults and children exhibit different eye‐fixation patterns when they look at human faces, machinelike robotic faces, and humanlike robotic faces. The results from two betweensub ...

    • closedAccess   Families of Algorithms for Reducing a Matrix to Condensed Form 

      Van Zee, Field G.; Van de Geijn, Robert A.; Quintana-Ortí, Gregorio; Elizondo, G. Joseph ACM (2012-11)
      In a recent paper it was shown how memory traffic can be diminished by reformulating the classic algorithm for reducing a matrix to bidiagonal form, a preprocess when computing the singular values of a dense matrix. The ...