Recent Submissions

  • Data Analysis of Short-term and Long-term Online Activities in LMS 

    Carrión Espinosa, María del Carmen (UIKTEN - Association for Information Communication Technology Education and Science, 2022-05)
    Online teaching activities based on increasingly used computer-based educational systems lacks standard rules for its implementation. This paper describes the design of online training activities using Moodle as a ...
  • A Unimodal Ordered Logit model for ranked choice 

    Wong, Melvin; Martín Baos, José Ángel; Bierlaire, Michel (2021-09)
    Ordinal scale responses capture qualitative user feedback which can be used to model individual choice preference, or are employed in traffic accident analysis to evaluate accident severity. We present a new choice model ...
  • Comparison of RGB-D and IMU-based gesture recognition for human-robot interaction in remanufacturing 

    Roda-Sanchez, Luis; Garrido-Hidalgo, Celia; García, Arturo S.; Olivares Montes, Teresa; Fernández-Caballero, Antonio (Springer, 2021-10-14)
    With product life-cycles getting shorter and limited availability of natural resources, the paradigm shift towards the circular economy is being impulsed. In this domain, the successful adoption of remanufacturing is key. ...
  • Análisis y estudio de prestaciones de sistemas de codificación hardware/software para el HEVC: escenario Intra 

    Miguélez, Rubén; Ruiz, Damián; Fernández Escribano, Gerardo; Cuenca, Pedro (Universidad de Extremadura, 2019)
    HEVC (en inglés, High Efficiency Video Coding) es el estándar de compresión de vídeo sucesor del H.264/AVC, el cual alcanza una calidad de video similar a éste con una reducción de la tasa binaria próxima al 50%. Esto ...
  • Control de Congestión Eficiente para Redes HPC con Encaminamiento Adaptativo 

    Rocher-González, José; Escudero-Sahuquillo, Jesús; García García, Pedro Javier; Quiles, Francisco (Universidad de Extremadura, 2019)
    La red de interconexión es el elemento principal en los clusters de computación de alto rendimiento (HPC) y centros de datos (DC), donde miles de nodos deben comunicarse de forma rápida y fiable. El rendimiento de la red ...
  • Implementación de algoritmos de efectos de audio en tiempo real sobre procesador digital de señal 

    Jiménez Fiérrez, Francisco; Ruiz, Damián; Fernández Escribano, Gerardo; Cuenca, Pedro (Universidad de Extremadura, 2019)
    El presente artículo presenta la implementación a bajo nivel de tres efectos de audio sobre un procesador digital de señal de propósito especifico. El artículo describe los algoritmos que implementan los distintos efectos ...
  • Silicon photonic networks: Signal loss and power challenges 

    Crespo, Juan-José; Sánchez, José L.; Alfaro-Cortés, Francisco J. (Wiley, 2018-08-03)
    Exascale systems are in need for alternative interconnection technologies. Electrical interconnects are not likely toscale well to a largenumberof computing nodes in termsof energy efficiency and latency. Silicon photonic ...
  • Training and business performance 

    Hernández-Perlines, Felipe; Moreno García, Juan; Yáñez-Araque, Benito (Springer, 2016)
    Training has been the focus of considerable conceptual and empirical attention but is considered a relevant factor for competitive edge in companies because it has a positive impact on business performance. This study is ...
  • A taxonomy of vision systems for ground mobile robots 

    Martínez Gómez, Jesús; Fernández Caballero, Antonio; Romero González, Cristina; García Varea, Ismael; Rodríguez Ruiz, Luis (2014)
    This paper introduces a taxonomy of vision systems for ground mobile robots. In the last five years, a significant number of relevant papers have contributed to this subject. Firstly, a thorough review of the papers is ...
  • Vision-based text segmentation system for generic display units 

    Castillo Montoya, José Carlos; López Bonal, María Teresa; Fernández Caballero, Antonio (2009)
    The increasing use of display units in avionics motivate the need for vision-based text recognition systems to assist humans. The system for generic displays proposed in this paper includes some of the usual text recognition ...
  • Algorithmic lateral inhibition formal model for real-time motion detection. 

    Fernández Graciani, Miguel Ángel; Mira Mira, José; Delgado García, Ana. E; López Bonal, María Teresa; Fernández Caballero, Antonio (2007)
    Recently, the use of the algorithmic lateral inhibition (ALI) method in motion detection has shown to be very effective. The promising results in terms of the goodness of the silhouettes detected and tracked along video ...
  • Dynamic visual attention model in image sequences 

    López Bonal, María Teresa; Mira Mira, José; Delgado García, Ana Esperanza; Fernández Graciani, Miguel Ángel; Fernández Caballero, Antonio (2007)
    A new computational architecture of dynamic visual attention is introduced in this paper. Our approach defines a model for the generation of an active attention focus on a dynamic scene captured from a still or moving ...
  • Visual surveillance by dynamic visual attention method 

    Delgado García, Ana Esperanza; Fernández Caballero, Antonio; López Bonal, María Teresa; Mira Mira, José; Fernández Graciani, Miguel Ángel (2006)
    This paper describes a method for visual surveillance based on biologically motivated dynamic visual attention in video image sequences. Our system is based on the extraction and integration of local (pixels and spots) as ...
  • Motion features to enhance scene segmentation in active visual attention 

    Fernández Graciani, Miguel Ángel; Fernández Caballero, Antonio; Delgado García, Ana Esperanza; López Bonal, María Teresa; Mira Mira, José (Elsevier Science, 2006)
    A new computational model for active visual attention is introduced in this paper. The method extracts motion and shape features from video image sequences, and integrates these features to segment the input scene. The aim ...
  • Algorithmic lateral inhibition method in dynamic and selective visual attention task: application to moving objects detection and labelling. 

    Mira Mira, José; López Bonal, María Teresa; Delgado García, Ana E.; Fernández Caballero, Antonio; Fernández Graciani, Miguel Ángel (2006)
    In a recent article, knowledge modelling at the knowledge level for the task of moving objects detection in image sequences has been introduced. In this paper, the algorithmic lateral inhibition (ALI) method is now applied ...
  • Sensitivity from short-term memory vs. Stability from long-term memory in visual attention method 

    Fernández Graciani, Miguel Ángel; López Bonal, María Teresa; Fernández Caballero, Antonio; Delgado García, Ana Esperanza (2005)
    In this paper a special focus on the relationship between sensitivity and stability in a dynamic selective visual attention method is described. In this proposal sensitivity is associated to short-term memory and stability ...
  • Neurally inspired mechanisms of the dynamic visual attention map generation task 

    Fernández Caballero, Antonio; López Bonal, María Teresa; Fernández Graciani, Miguel Ángel; Delgado García, Ana E. (2003)
    A model for dynamic visual attention is briefly introduced in this paper. A PSM (problem-solving method) for a generic ?Dynamic Attention Map Generation? task to obtain a Dynamic Attention Map from a dynamic scene is ...
  • Protocol integration for intelligent monitoring applications in wireless sensor networks 

    Fernández Caballero, Antonio; Ortiz Torres, Antonio Manuel; Royo Sánchez, Fernando; Olivares Montes, Teresa; Castillo Montoya, José Carlos; Orozco Barbosa, Luis (2011)
    Integration of algorithms and protocols from different layers will make possible the deployment of large-scale wireless sensor networks which are the basis of interesting monitoring applications. The growing number of nodes ...
  • Real-time motion detection by lateral inhibition in accumulative computation. 

    López Bonal, María Teresa; Fernández Caballero, Antonio; Delgado García, Ana. E (2010)
    Many researchers have explored the relationship between recurrent neural networks and finite state machines. Finite state machines constitute the best characterized computational model, whereas artificial neural networks ...
  • A conceptual frame with two neural mechanisms to model selective visual attention processes 

    Delgado García, Ana E.; López Bonal, María Teresa; Fernández Graciani, Miguel Ángel; Fernández Caballero, Antonio; Mira Mira, José (2008)
    An important problem in artificial intelligence (AI) is to find calculation procedures to save the semantic gap between the analytic formulations of the neuronal models and the concepts of the natural language used to ...

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