Now showing items 78-97 of 105

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      Neuromorphic Spiking Neural Networks and Their Memristor-CMOS Hardware Implementations  [Article]

      Camuñas Mesa, Luis Alejandro; Linares Barranco, Bernabé; Serrano Gotarredona, María Teresa (MDPI, 2019)
      Inspired by biology, neuromorphic systems have been trying to emulate the human brain for decades, taking advantage of its massive parallelism and sparse information coding. Recently, several large-scale hardware projects ...
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      Neuronal Specialization for Fine-Grained Distance Estimation using a Real-Time Bio-Inspired Stereo Vision System  [Article]

      Domínguez Morales, Manuel Jesús; Domínguez Morales, Juan Pedro; Ríos Navarro, José Antonio; Cascado Caballero, Daniel; Jiménez Fernández, Ángel Francisco; Linares Barranco, Alejandro (MDPI, 2019)
      The human binocular system performs very complex operations in real-time tasks thanks to neuronal specialization and several specialized processing layers. For a classic computer vision system, being able to perform the ...
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      NeuroPod: a real-time neuromorphic spiking CPG applied to robotics  [Article]

      Gutiérrez Galán, Daniel; Domínguez Morales, Juan Pedro; Pérez-Peña, Fernando; Linares Barranco, Alejandro (Elsevier, 2020)
      Initially, robots were developed with the aim of making our life easier, carrying out repetitive or dangerous tasks for humans. Although they were able to perform these tasks, the latest generation of robots are being ...
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      NullHop: A Flexible Convolutional Neural Network Accelerator Based on Sparse Representations of Feature Maps  [Article]

      Aimar, Alessandro; Mostafa, Hesham; Calabrese, Enrico; Ríos Navarro, José Antonio; Tapiador Morales, Ricardo; Lungu, Iulia-Alexandra; Milde, Moritz B.; Corradi, Federico; Linares Barranco, Alejandro; Liu, Shih-Chii; Delbruck, Tobi (IEEE Computer Society, 2019)
      Convolutional neural networks (CNNs) have become the dominant neural network architecture for solving many stateof- the-art (SOA) visual processing tasks. Even though Graphical Processing Units (GPUs) are most often ...
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      On Real-Time AER 2-D Convolutions Hardware for Neuromorphic Spike-Based Cortical Processing  [Article]

      Serrano Gotarredona, Rafael; Serrano Gotarredona, María Teresa; Acosta Jiménez, Antonio José; Serrano Gotarredona, Clara; Pérez Carrasco, José Antonio; Linares Barranco, Bernabé; Linares Barranco, Alejandro; Jiménez Moreno, Gabriel; Civit Balcells, Antón (IEEE Computer Society, 2008)
      In this paper, a chip that performs real-time image convolutions with programmable kernels of arbitrary shape is presented. The chip is a first experimental prototype of reduced size to validate the implemented circuits ...
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      On the Capability of Smartphones to Perform as Communication Gateways in Medical Wireless Personal Area Networks  [Article]

      Morón Fernández, María José; Luque Giráldez, José Rafael; Casilari Pérez, Eduardo (MDPI, 2014)
      This paper evaluates and characterizes the technical performance of medical wireless personal area networks (WPANs) that are based on smartphones. For this purpose, a prototype of a health telemonitoring system is ...
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      Opening the Black Box: Explaining the Process of Basing a Health Recommender System on the I-Change Behavioral Change Model  [Article]

      Hors Fraile, Santiago; Malwade, Shwetambara; Luna Perejón, Francisco; Amaya Rodríguez, Claudio Antonio; Civit Balcells, Antón; Schneider, Francine; Bamidis, Panagiotis D.; Syed-Abdul, Shabbir; Li, Yuchuan; Vries, Hein de (IEEE Computer Society, 2019)
      Recommender systems are gaining traction in healthcare because they can tailor recommendations based on users' feedback concerning their appreciation of previous health-related messages. However, recommender systems are ...
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      Overhead and Segmentation Mismatch Effect on Bluetooth WPAN Performance  [Article]

      Morón Fernández, María José; Luque Giráldez, José Rafael; Casilari Pérez, Eduardo; Díaz Estrella, A. (Springer, 2009)
      Currently, Bluetooth is the most widely used technology for Wireless Personal Area Networks (WPAN). Quality-of-Service (QoS) support is critical to ensure bandwidth maximization for mobile applications based on this WPAN ...
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      Parallel Cellular Automata-based Simulation of Laser Dynamics using Dynamic Load Balancing  [Article]

      Guisado Lízar, José Luís; Fernández de Vega, Francisco; Jiménez-Morales, Francisco de Paula; Iskra, Kamil A.; Sloot, Peter M.A. (InderScience Publishers, 2008)
      We present an analysis of the feasibility of executing a parallel bioinspired model of laser dynamics, based on cellular automata (CA), on the usual target platform of this kind of applications: a heterogeneous non-dedicated ...
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      Real-time neuro-inspired sound source localization and tracking architecture applied to a robotic platform  [Article]

      Cerezuela Escudero, Elena; Pérez-Peña, Fernando; Paz Vicente, Rafael; Jiménez Fernández, Ángel Francisco; Jiménez Moreno, Gabriel; Morgado Estévez, Arturo (Elsevier, 2018)
      This paper proposes a real-time sound source localization and tracking architecture based on the abilityof the mammalian auditory system using the interaural intensity difference. We used an innovative bin- aural Neuromorphic ...
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      Reliability and Validity Study of the Chamorro Assisted Gait Scale for People with Sprained Ankles, Walking with Forearm Crutches  [Article]

      Chamorro Moriana, Gema; Ridao Fernández, María Del Carmen; Ojeda Granja, Joaquín; Benítez Lugo, María Luisa; Sevillano Ramos, José Luis (Public Library of Science, 2016)
      Objective The aim of this study was to design and validate a functional assessment scale for assisted gait with forearm crutches (Chamorro Assisted Gait Scale—CHAGS) and to assess its reliability in people with sprained ...
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      Robotics software frameworks for multi-agent robotic systems development  [Article]

      Íñigo Blasco, Pablo; Díaz del Río, Fernando; Romero Ternero, María del Carmen; Cagigas-Muñiz, Daniel; Vicente Díaz, Saturnino (Elsevier, 2012)
      Robotics is an area of research in which the paradigm of Multi-Agent Systems (MAS) can prove to be highly useful. Multi-Agent Systems come in the form of cooperative robots in a team, sensor networks based on mobile ...
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      Securing a wireless sensor network for human tracking: a review of solutions  [Article]

      Carrasco Muñoz, Alejandro; Alcaraz, Francisco; Barbancho Concejero, Julio; Larios Marín, Diego Francisco; Sevillano Ramos, José Luis (Wiley, 2014)
      Currently, wireless sensor networks (WSNs) are formed by devices with limited resources and limited power energy availability. Thanks to their cost effectiveness, flexibility, and ease of deployment, wireless sensor ...
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      Smart Footwear Insole for Recognition of Foot Pronation and Supination Using Neural Networks  [Article]

      Domínguez Morales, Manuel Jesús; Luna Perejón, Francisco; Miró Amarante, María Lourdes; Hernández Velázquez, María Dolores; Sevillano Ramos, José Luis (MDPI, 2019)
      Abnormal foot postures during gait are common sources of pain and pathologies of the lower limbs. Measurements of foot plantar pressures in both dynamic and static conditions can detect these abnormal foot postures and ...
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      Soft real-time communications over Bluetooth under interferences from ISM devices  [Article]

      Sevillano Ramos, José Luis; Cascado Caballero, Daniel; Díaz del Río, Fernando; Vicente Díaz, Saturnino; Jiménez Moreno, Gabriel; Civit Balcells, Antón (John Wiley and Sons, 2006)
      Bluetooth is a suitable technology to support soft real-time applications like multimedia streams at the personal area network level. In this paper, we analytically evaluate the worst-case deadline failure probability ...
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      Special issue on performance evaluation of communication networks and systems. Guest editorial  [Article]

      Sevillano Ramos, José Luis; Obaidat, Mohammad S. (2011)
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      Special Issue: Performance Modeling and Evaluation of Computer and Telecommunication Systems  [Article]

      Sevillano Ramos, José Luis; Obaidat, Mohammad S. (2012)
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      STDP and STDP Variations with Memristors for Spiking Neuromorphic Learning Systems  [Article]

      Indiveri, Giacomo; Linares Barranco, Bernabé; Masquelier, T.; Serrano Gotarredona, María Teresa; Prodromakis, T. (2013)
      In this paper we review several ways of realizing asynchronous Spike-Timing-DependentPlasticity (STDP) using memristors as synapses. Our focus is on how to use individual memristors to implement synaptic weight ...
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      Stereo Matching in Address-Event-Representation (AER) Bio-Inspired Binocular Systems in a Field-Programmable Gate Array (FPGA)  [Article]

      Domínguez Morales, Manuel Jesús; Domínguez Morales, Juan Pedro; Jiménez Fernández, Ángel Francisco; Linares Barranco, Alejandro; Jiménez Moreno, Gabriel (MDPI, 2019)
      In stereo-vision processing, the image-matching step is essential for results, although it involves a very high computational cost. Moreover, the more information is processed, the more time is spent by the matching ...
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      Synchronization of multihop wireless sensor networks at the application layer  [Article]

      Marco Marco, Álvaro; Casas, Roberto; Sevillano Ramos, José Luis; Coarasa, Victorián; Asensio, Ángel; Obaidat, Mohammad S. (IEEE Computer Society, 2011)
      Time synchronization is a key issue in wireless sensor networks; timestamping collected data, tasks scheduling, and efficient communications are just some applications. From all the existing techniques to achieve ...