Now showing items 51-70 of 97

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      Guest Editorial. Special Issue on Selected Extended Best Papers from ICETE-2011  [Article]

      Filipe, Joaquim; Sevillano Ramos, José Luis; Cascado Caballero, Daniel; Obaidat, Mohammad S. (2013)
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      HealthRecSys: A semantic content-based recommender system to complement health videos  [Article]

      Sánchez Bocanegra, Carlos Luis; Sevillano Ramos, José Luis; Rizo, Carlos; Civit Balcells, Antón; Fernández Luque, Luis (BMC, 2017)
      Background: The Internet, and its popularity, continues to grow at an unprecedented pace. Watching videos online is very popular; it is estimated that 500 h of video are uploaded onto YouTube, a video-sharing service, ...
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      Heuristic evaluation on mobile interfaces: a new checklist  [Article]

      Yáñez Gómez, Rosa; Cascado Caballero, Daniel; Sevillano Ramos, José Luis (Hindawi Publishing Corporation, 2014)
      The rapid evolution and adoption of mobile devices raise new usability challenges, given their limitations (in screen size, battery life, etc.) as well as the specific requirements of this new interaction. Traditional ...
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      Heuristic usability evaluation on games: a modular approach  [Article]

      Yáñez Gómez, Rosa; Font Calvo, Juan Luis; Cascado Caballero, Daniel; Sevillano Ramos, José Luis (Springer, 2019)
      Heuristic evaluation is the preferred method to assess usability in games when experts conduct this evaluation. Many heuristics guidelines have been proposed attending to specificities of games but they only focus on ...
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      Hierarchical D ∗ algorithm with materialization of costs for robot path planning  [Article]

      Cagigas-Muñiz, Daniel (Elsevier, 2005)
      In this paper a new hierarchical extension of the D ∗ algorithm for robot path planning is introduced. The hierarchical D ∗ algorithm uses a down-top strategy and a set of precalculated paths (materialization of path ...
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      Hierarchical Path Search with Partial Materialization of Costs for a Smart Wheelchair  [Article]

      Cagigas-Muñiz, Daniel; Abascal, Julio (Springer, 2004)
      In this paper, the off-line path planner module of a smart wheelchair aided navigation system is described. Environmental information is structured into a hierarchical graph (H-graph) and used either by the user interface ...
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      High-Performance Architecture for Binary-Tree-Based Finite State Machines  [Article]

      Senhadji Navarro, Raouf; García Vargas, Ignacio (IEEE Computer Society, 2018)
      A binary-tree-based finite state machine (BT-FSM) is a state machine with a 1-bit input signal whose state transition graph is a binary tree. BT-FSMs are useful in those application areas where searching in a binary ...
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      Implementing a Distance Estimator for a Wildlife Tracking System Based on 802.15.4  [Article]

      Cascado Caballero, Daniel; Durán López, Lourdes; Domínguez Morales, Juan Pedro; Gutiérrez Galán, Daniel; Amaya Rodríguez, Claudio Antonio; Domínguez Morales, Manuel Jesús (MDPI, 2019)
      In this work, a novel distance estimation mechanism using received signal strength indication (RSSI) signals with ZigBee modules is designed, implemented and tested in several scenarios. This estimator was used for a ...
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      Influence of Input/output Operations on Processor Performance  [Article]

      Rodríguez Corral, José María; Civit Balcells, Antón; Jiménez Moreno, Gabriel; Sevillano Ramos, José Luis; Morgado Estévez, Arturo (World Scientific, 2006)
      Nowadays, computers are frequently equipped with peripherals that transfer great amounts of data between them and the system memory using direct memory access techniques (i.e., digital cameras, high speed networks, . . ...
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      Inter-spike-intervals analysis of AER Poisson-like generator hardware  [Article]

      Linares Barranco, Alejandro; Oster, Matthias; Cascado Caballero, Daniel; Jiménez Moreno, Gabriel; Civit Balcells, Antón; Linares Barranco, Bernabé (Elsevier, 2007)
      Address–Event–Representation (AER) is a communication protocol for transferring images between chips, originally developed for bio-inspired image-processing systems. Such systems may consist of a complicated hierarchical ...
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      Inter-spikes-intervals exponential and gamma distributions study of neuron firing rate for SVITE motor control model on FPGA  [Article]

      Pérez-Peña, Fernando; Morgado Estévez, Arturo; Linares Barranco, Alejandro (Elsevier, 2015)
      This paper presents a statistical study on a neuro-inspired spike-based implementation of the Vector-Integration-To-End-Point motor controller (SVITE) and compares its deterministic neuron-model stream of spikes with a ...
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      Interfacing PDM sensors with PFM spiking systems: application for Neuromorphic Auditory Sensors  [Article]

      Jiménez Fernández, Ángel Francisco; Domínguez Morales, Juan Pedro; Gutiérrez Galán, Daniel; Ríos Navarro, José Antonio; Tapiador Morales, Ricardo; Linares Barranco, Alejandro (Cornell University, 2019)
      In this paper we present a sub-system to convert audio information from low-power MEMS microphones with pulse density modulation (PDM) output into rate coded spike streams. These spikes represent the input signal of a ...
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      Low Latency Event-Based Filtering and Feature Extraction for Dynamic Vision Sensors in Real-Time FPGA Applications  [Article]

      Linares Barranco, Alejandro; Pérez-Peña, Fernando; Moeys, Diederick P.; Gómez Rodríguez, Francisco de Asís; Jiménez Moreno, Gabriel; Liu, Shih-Chii; Delbruck, Tobi (IEEE Computer Society, 2019)
      Dynamic Vision Sensor (DVS) pixels produce an asynchronous variable-rate address-event output that represents brightness changes at the pixel. Since these sensors produce frame-free output, they are ideal for real-time ...
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      Low-Power Embedded System for Gait Classification Using Neural Networks  [Article]

      Luna Perejón, Francisco; Domínguez Morales, Manuel Jesús; Gutiérrez Galán, Daniel; Civit Balcells, Antón (MDPI, 2020)
      Abnormal foot postures can be measured during the march by plantar pressures in both dynamic and static conditions. These detections may prevent possible injuries to the lower limbs like fractures, ankle sprain or plantar ...
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      Minimum maximum reconfiguration cost problem  [Article]

      Senhadji Navarro, Raouf; García Vargas, Ignacio (Springer, 2016)
      This paper discusses the problem of minimizing the reconfiguration cost of some types of reconfigurable systems. A formal definition of the problem and a proof of its NP-completeness are provided. In addition, an Integer ...
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      Mobile Phone Apps for Quality of Life and Well-Being Assessment in Breast and Prostate Cancer Patients: Systematic Review  [Article]

      Rincón, Esther; Monteiro Guerra, Francisco; Rivera-Romero, Octavio; Dorronzoro Zubiete, Enrique; Sánchez Bocanegra, Carlos Luis; Gabarrón, Elia (JMIR Publications, 2017)
      Background: Mobile phone health apps are increasingly gaining attention in oncological care as potential tools for supporting cancer patients. Although the number of publications and health apps focusing on cancer is ...
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      Modeling of the Transmission Delay in Bluetooth Piconets under Serial Port Profile  [Article]

      Morón Fernández, María José; Luque Giráldez, José Rafael; Casilari Pérez, Eduardo (IEEE Computer Society, 2010)
      Bluetooth is a key connectivity technology for the deployment of wireless Personal Area Networks as far as it is the most popular low power communication feature incorporated in devices such as laptops or smartphones. ...
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      mTOSSIM: A simulator that estimates battery lifetime in wireless sensor networks  [Article]

      Mora-Merchán, Javier María; Larios Marín, Diego Francisco; Barbancho Concejero, Julio; Molina Cantero, Francisco Javier; Sevillano Ramos, José Luis; León de Mora, Carlos (Elsevier, 2013)
      Knowledge of the battery lifetime of the wireless sensor network is important for many situations, such as in evaluation of the location of nodes or the estimation of the connectivity, along time, between devices. However, ...
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      NAVIS: Neuromorphic Auditory VISualizer Tool  [Article]

      Domínguez Morales, Juan Pedro; Jiménez Fernández, Ángel Francisco; Domínguez Morales, Manuel Jesús; Jiménez Moreno, Gabriel (Elsevier, 2017)
      This software presents diverse utilities to perform the first post-processing layer taking the neuromorphic auditory sensors (NAS) information. The used NAS implements in FPGA a cascade filters architecture, imitating the ...
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      Network traffic analysis and evaluation of a multi-user virtual environment  [Article]

      Font Calvo, Juan Luis; Cascado Caballero, Daniel; Sevillano Ramos, José Luis; Díaz del Río, Fernando; Jiménez Moreno, Gabriel (Elsevier, 2012)
      Virtual world applications allow users to interact within a simulated world. Network responsiveness and reliability contribute to the user experience, thus being able to model and reproduce certain network scenarios is a ...