Listar ICC_Articles por título

Mostrando ítems 390-409 de 413

    • openAccess   Underwater Multirobot Cooperative Intervention MAC Protocol 

      Centelles Beltran, Diego; Soriano, Antonio; Martí Avilés, José Vicente; Sanz, Pedro J IEEE (2020-03-26)
      This work introduces a Medium Access Control (MAC) protocol designed to allow a group of underwater robots that share a wireless communication channel to effectively communicate with each other. The goal of the Underwater ...

    • openAccess   Underwater radio frequency image sensor using progressive image compression and region of interest 

      Moscoso Rubino, Eduardo; Centelles, Diego; Sales Gil, Jorge; Martí Avilés, José Vicente; Marin, Raul; Sanz, Pedro J; Alvares, Alberto Springer-Verlag (2017-08)
      The increasing demand for underwater robotic intervention systems around the world in several application domains requires more versatile and inexpensive systems. By using a wireless communication system, supervised ...

    • openAccess   Underwater Wireless Communications for Cooperative Robotics with UWSim-NET 

      Centelles, Diego; Soriano Asensi, Antonio; Martí Avilés, José Vicente; Marin, Raul; Sanz, Pedro J MDPI (2019-08-28)
      The increasing number of autonomous underwater vehicles (AUVs) cooperating in underwater operations has motivated the use of wireless communications. Their modeling can minimize the impact of their limited performance in ...

    • openAccess   Universidad en tiempo de pandemia. Experiencia de estudiantes universitarios en España 

      Ferrandez-Berrueco, Reina; Marqués-Andrés, Mercedes; Sánchez-Tarazaga, Lucía; Ruiz-Bernardo, Paola Universidad del Zulia, Venezuela (2022-01)
      El 14 de marzo de 2020 comenzaba un periodo de docencia de emergencia. Profesorado y alumnado se veían abocados a una situación sin precedentes. El presente estudio de encuesta muestra cómo ha valorado el estudiantado de ...

    • openAccess   Unleashing GPU acceleration for symmetric band linear algebra kernels and model reduction 

      Benner, Peter; Dufrechou, Ernesto; Ezzatti, Pablo; Quintana-Orti, Enrique S.; Remón Gómez, Alfredo © Springer International Publishing AG (2015-12)
      Linear algebra operations arise in a myriad of scientific and engineering applications and, therefore, their optimization is targeted by a significant number of high performance computing (HPC) research efforts. In particular, ...

    • openAccess   Unpacking Non-Dualistic Design: The Soma Design Case 

      Höök, Kristina; Benford, Steve; Tennent, Paul; Tsaknaki, Vasiliki; Alfaras, Miquel; Martinez Avila, Juan; Li, Christine; Marshall, Joseph; Daudén Roquet, Claudia; Sanches, Pedro; Ståhl, Anna; Umair, Muhammad; Windlin, Charles; Zhou, Feng Association for Computing Machinery (ACM) (2021-11)
      We report on a somaesthetic design workshop and the subsequent analytical work aiming to demystify what is entailed in a non-dualistic design stance on embodied interaction and why a first-person engagement is crucial to ...

    • closedAccess   Unveiling the performance-energy trade-off in iterative linear system solvers for multithreaded processors 

      Aliaga Estellés, José Ignacio; Anzt, Hartwig; Castillo Catalán, María Isabel; Fernández Fernández, Juan Carlos; León Navarro, Germán; Pérez, Joaquín; Quintana-Orti, Enrique S. Wiley (2015)
      In this paper, we analyze the interactions occurring in the triangle performance-power-energy for the execu- tion of a pivotal numerical algorithm, the iterative conjugate gradient (CG) method, on a diverse collection ...

    • openAccess   Usability of the Stylus Pen in Mobile Electronic Documentation 

      Park, Eunil; del Pobil, Angel P.; Kwon, Sang Jib MDPI (2015-11-06)
      Stylus pens are often used with mobile information devices. However, few studies have examined the stylus’ simple movements because the technical expertise to support documentation with stylus pens has not been developed. ...

    • closedAccess   Users' attitudes toward service robots in South Korea 

      del Pobil, Angel P.; Park, Eunil Emerald Group Publishing Limited (2013)
      Purpose – The purpose of this paper is to understand users' acceptance of service robots by integrating perceived enjoyment of service robots and users' need to belong in a technology acceptance model (TAM) framework. ...

    • closedAccess   Using desktop computers to solve large-scale dense linear algebra problems 

      Quintana-Orti, Enrique S.; Marqués-Andrés, Mercedes; Quintana-Ortí, Gregorio; Van de Geijn, Robert A. Springer Science+Business Media (2011-11)
      We provide experimental evidence that current desktop computers feature enough computational power to solve large-scale dense linear algebra problems. While the high computational cost of the numerical methods for solving ...

    • openAccess   Using graphics processors to accelerate the computation of the matrix inverse 

      Ezzatti, Pablo; Quintana-Orti, Enrique S.; Remón Gómez, Alfredo Springer Verlag (2011)
      We study the use of massively parallel architectures for computing a matrix inverse. Two different algorithms are reviewed, the traditional approach based on Gaussian elimination and the Gauss-Jordan elimination alternative, ...

    • openAccess   Using machine learning to model the training scalability of convolutional neural networks on clusters of GPUs 

      Barrachina Mir, Sergio; Castelló, Adrián; Catalán Carbó, Mar; Dolz, Manuel F.; Mestre Miravet, Jose Ignacio Springer (2021-08-30)
      In this work, we build a general piece-wise model to analyze data-parallel (DP) training costs of convolutional neural networks (CNNs) on clusters of GPUs. This general model is based on i) multi-layer perceptrons (MLPs) ...

    • openAccess   Utilizando ARMSim y QtARMSim para la docencia de Arquitectura de Computadores 

      Barrachina Mir, Sergio; Fabregat Llueca, German; Fernández Fernández, Juan Carlos; León Navarro, Germán Universitat Jaume I (2015)
      Muchos de los objetivos formativos de las asignaturas de introducción a la Arquitectura de Computadores se centran en aquellos aspectos que conforman la visión que un programador en lenguaje ensamblador tiene de un ...

    • openAccess   UWSim, un simulador submarino conectado a la nube como herramienta educacional 

      Pérez Soler, Javier; Fornas Garcia, David; Marin, Raul; Sanz, Pedro J Universitat Politècnica de València (2018)
      La creciente demanda social de nuevas aplicaciones de la rob´otica, desde robots dom´esticos a coches aut´onomos, confirma la conveniencia de utilizar dicha tecnolog´ıa como factor motivante en el contexto educacional. ...

    • closedAccess   Variable-size batched Gauss–Jordan elimination for block-Jacobi preconditioning on graphics processors 

      Anzt, Hartwig; Dongarra, Jack; Flegar, Goran; Quintana-Orti, Enrique S. Elsevier (2019)
      In this work, we address the efficient realization of block-Jacobi preconditioning on graphics processing units (GPUs). This task requires the solution of a collection of small and independent linear systems. To fully ...

    • openAccess   Visialization of Ontologies to Specify Semantic Descriptions Of Services 

      Tomás López, Vicente Ramón; Samper, J. Javier; Carrillo, Eduardo; Do Nascimento, Rogério P. C. IEEE Computer Society (2008)
      The present paper describes the main characteristics and components of a tool developed for integrating the definition of profiles for semantic Web Services. This tool is based on the languages DAML-S and OWL-S. It ...

    • openAccess   Vision for Robust Robot Manipulation 

      Martínez Martín, Ester; del Pobil, Angel P. MDPI (2019)
      Advances in Robotics are leading to a new generation of assistant robots working in ordinary, domestic settings. This evolution raises new challenges in the tasks to be accomplished by the robots. This is the case for ...

    • openAccess   Vision-based grasp tracking for planar objects 

      Recatalá Ballester, Gabriel; Carloni, Raffaella; Melchiorri, Claudio; Sanz, Pedro J; Cervera, Enric; del Pobil, Angel P. IEEE Systems, Man, and Cybernetics Society (2008)
      In robotics, the manipulation of a priori unknown objects involves several steps and problems that must be carefully considered and solved by proper planning and control algorithms. For example, once suitable contact ...

    • closedAccess   Visual control of robots with delayed images 

      Pérez Vidal, Carlos; Gracia Marco, Luis; García, Nicolás; Cervera, Enric Brill (2009)
      This research develops a control scheme for visual servoing that explicitly takes into account the delay in- troduced by image acquisition and processing. For this purpose, a predictor block, i.e., an estimator that predicts ...

    • openAccess   Visually-Guided Manipulation Techniques for Robotic Autonomous Underwater Panel Interventions 

      Peñalver Monfort, Antonio; Pérez Soler, Javier; Fernández Fresneda, José Javier; Sales Gil, Jorge; Sanz, Pedro J; García Sánchez, Juan Carlos; Fornas Garcia, David; Marin, Raul Elsevier (2015)
      The long term of this ongoing research has to do with increasing the autonomy levels for underwater intervention missions. Bearing in mind that the speci c mission to face has been the intervention on a panel, in this paper ...