Now showing items 1-20 of 147

    • Aplicaciones de la teoria de conjuntos borrosos 

      Barro Ameneiro, Senén; Bugarín Diz, Alberto José; Félix Lamas, Paulo; Losada Carril, David Enrique (Universidade de Santiago de Compostela. Servizo de Publicacións e Intercambio Científico, 2005-01)
    • Effects of applied pressure in ZnV2 O4 and evidences for a dimerized structure 

      Piñeiro Guillén, Ángel; Sánchez Botana, Antía; Pardo Castro, Víctor; Pereiro López, Manuel; Baldomir Fernández, Daniel; Arias Rodríguez, Juan Enrique (AIP Publishing, 2010)
      The series of V spinels [A2+] V2 O4 (A = Cd, Mn, Zn, Mg) provides an opportunity to tune the V-V distance continuously, in the frustrated pyrochlore lattice of the spinel. This system has been shown to approach the metallic ...
    • Performance analysis of massively parallel embedded hardware architectures for retinal image processing 

      Nieto Lareo, Alejandro Manuel; Brea Sánchez, Víctor Manuel; López Vilariño, David; Osorio, Roberto R. (Springer, 2011)
      This paper examines the implementation of a retinal vessel tree extraction technique on different hardware platforms and architectures. Retinal vessel tree extraction is a representative application of those found in the ...
    • Conversión Fonética Automática con Información Fonológica para el Gallego 

      García González, Marcos; González López, Isaac (Sociedad Española para el Procesamiento del Lenguaje Natural (SEPLN), 2011)
      En este artículo se presenta un sistema de conversión fonética con información fonológica para el gallego. El conversor permite evaluar diferentes procesos fonológicos como la silabificación o la derivación fonológica, así ...
    • Density functional study of the magnetic properties of Bi4Mn clusters: Discrepancy between theory and experiment 

      Botana Alcalde, Jorge; Pereiro López, Manuel; Baldomir Fernández, Daniel; Arias Rodríguez, Juan Enrique (AIP Publishing, 2011)
      We have performed collinear and noncollinear calculations on neutral Bi4Mn and collinear ones on ionized Bi4Mn with charges +1 and −1 to find out why theoretical calculations will not predict the magnetic state found in ...
    • A first-principles study of the influence of helium atoms on the optical response of small silver clusters 

      Pereiro López, Manuel; Baldomir Fernández, Daniel; Arias, J. E. (AIP Publishing, 2011)
      Optical excitation spectra of Agn and Agn@He60 (n = 2, 8) clusters are investigated in the framework of the time-dependent density functional theory (TDDFT) within the linear response regime. We have performed the ab initio ...
    • Resolución de correferencia de nombres de persona para extracción de información biográfica 

      García González, Marcos; Gamallo Otero, Pablo (Sociedad Española para el Procesamiento del Lenguaje Natural (SEPLN), 2011)
      Los sistemas de extracción de información necesitan un procesamiento previo que reconozca, entre otras cosas, elementos correferenciales tales como las variantes de nombres propios. El presente artículo tiene dos objetivos: ...
    • Spin-polarized transport in a full magnetic pn tunnel junction 

      Comesaña Figueroa, Enrique; Aldegunde Villar, Manuel Alejo; García Loureiro, Antonio Jesús (AIP Publishing, 2011)
      Simulations of the tunneling current as a function of voltage and temperature for a Zener diode where both sides are ferromagnetic have been performed. The current is evaluated as a function of the applied bias, the ...
    • Electronic structure analysis of the quasi-one-dimensional oxide Sr6Co5O15 within the LDA+U method 

      Sánchez Botana, Antía; Botta, P. M.; Calle, C. de la; Piñeiro Guillén, Ángel; Pardo Castro, Víctor; Botana Alcalde, Jorge; Pereiro López, Manuel; Baldomir Fernández, Daniel; Alonso Moral, José María; Arias, J. E. (AIP Publishing, 2011)
      The quasi-one-dimensional cobalt oxide Sr6Co5O15 is studied using first-principles electronic-structure calculations and Boltzmann transport theory. We have been able to describe the electronic structure, characterized by ...
    • Identificação e classificação de entidades mencionadas em galego 

      García González, Marcos; Gayo, Iria; González López, Isaac (Universidade de Santiago de Compostela. Servizo de Publicacións e Intercambio Científico, 2012)
      A identificação e a classificação semântica automáti-cas de entidades mencionadas são tarefas de especial relevância para variadas aplicações do processamento da língua natural, tais como a tradução automática, a extracção ...
    • Estrategias de sostenibilidad y responsabilidad social en las universidades españolas: una herramienta para su evaluación 

      Alba Hidalgo, David; Barbeitos Alcántara, Rosa; Barral Silva, María Teresa del Carmen; Benayas del Álamo, Javier; Blanco Heras, Dora; Doménech Antúnez, Xavier; Fernández Sánchez, Isabel; Florensa i Botines, Anna; García Orones, Fuensanta; López Álvarez, Noelia; Ysern Comas, Pere (Universidad de Granada. Facultad de Ciencias de la Educación, 2012)
    • Exploración en tiempo real de la reconstrucción virtual de los instrumentos del Pórtico de la Gloria 

      Méndez Fernández, Roi; Otero, Antonio; Jarque, Samuel; Flores González, Julián (Universitat Politècnica de València, 2012)
      En este artículo se presenta el desarrollo de un sistema para la visualización interactiva de la reconstrucción virtual de los instrumentos del Pórtico de la Gloria. Se explica el proceso seguido para la creación de un ...
    • Técnicas de Procesamiento del Lenguaje Natural en la Recuperación de Información 

      Gamallo Otero, Pablo; García González, Marcos (Asociación de Técnicos de Informática (ATI), 2012)
      En este artículo se describe el efecto de la integración de varias técnicas basadas en el procesamiento del lenguaje natural en sistemas de recuperación de información. Se estudiarán, en concreto, métodos de lematización, ...
    • On the relationship between optical variability, visual saliency, and eye fixations: a computational approach 

      García Díaz, Antón; Leborán Álvarez, Víctor; Fernández Vidal, Xosé Ramón; Pardo López, Xosé Manuel (Association for Research in Vision and Ophthalmology, 2012)
      A hierarchical definition of optical variability is proposed that links physical magnitudes to visual saliency and yields a more reductionist interpretation than previous approaches. This definition is shown to be grounded ...
    • Automatic detection of pulmonary nodules: Evaluation of performance using two different MDCT scanners 

      Souto Bayarri, José Miguel; Suárez Cuenca, Jorge Juan; García Tahoces, Pablo; Revel, Marie-Pierre; Delhaye, Damien; Carreira Villamor, José Martín; Remy-Jardin, Martin; Remy, Jacque (Sciedu Press, 2012)
      The purpose of this study was to evaluate the diagnostic performance of a computer-aided diagnosis (CAD) system, on the detection of pulmonary nodules in multidetector row computed tomography (MDCT) images, by using two ...
    • Virtual Reality as a Tool for Evaluation of Repetitive Rhythmic Movements in the Elderly and Parkinson's Disease Patients 

      Arias Carpintero, Pablo; Robles García, Verónica; Sanmartín Díaz, Gabriel; Flores González, Julián; Cudeiro, Javier (PLOS, 2012)
      This work presents an immersive Virtual Reality (VR) system to evaluate, and potentially treat, the alterations in rhythmic hand movements seen in Parkinson's disease (PD) and the elderly (EC), by comparison with healthy ...
    • Multi-agent system for fast deployment of a guide robot in unknown environments 

      Canedo Rodríguez, Adrián; Álvarez Santos, Víctor; Vázquez Regueiro, Carlos; Pardo López, Xosé Manuel; Iglesias Rodríguez, Roberto (Universitat d'Alacant, 2012)
      Nowadays, deploying service robots and adapting their services to a new environment is a task which might require several days. This is an important problem of robotics in general, but specially when the goal is to bring ...
    • Learning in real robots from environment interaction 

      Quintía Vidal, Pablo; Iglesias Rodríguez, Roberto; Rodríguez González, Miguel Ángel; Vázquez Regueiro, Carlos; Valdés Villarrubia, Fernando (Universitat d'Alacant, 2012)
      This article describes a proposal to achieve fast robot learning from its interaction with the environment. Our proposal will be suitable for continuous learning procedures as it tries to limit the instability that appears ...
    • Quantification of Right and Left Ventricular Function in Cardiac MR Imaging: Comparison of Semiautomatic and Manual Segmentation Algorithms 

      Souto Bayarri, José Miguel; Masip, Lambert Raúl; Couto, Miguel; Suárez Cuenca, Jorge Juan; Martínez, Amparo; García Tahoces, Pablo; Carreira Villamor, José Martín; Croisille, Pierre (MDPI, 2013)
      The purpose of this study was to evaluate the performance of a semiautomatic segmentation method for the anatomical and functional assessment of both ventricles from cardiac cine magnetic resonance (MR) examinations, ...
    • Multiresolution rendering based on GPGPU computing 

      Lamas Rodríguez, Julián; Argüello Pedreira, Francisco Santiago; Blanco Heras, Dora (Research Institute of Intelligent Computer Systems, 2013)
      The problem of visualizing large volumetric datasets is appealing for computation on the GPU. Nevertheless, the design of GPU volume rendering solutions must deal with the limited available memory in a graphics card. In ...

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