Listar Grupo de Tecnoloxía Electrónica e Comunicacións (GTEC) por autor "Dapena, Adriana"

Mostrando ítems 21-40 de 41

    • Eye State Detection Using Frequency Features from 1 or 2-Channel EEG 

      Laport López, Francisco; Dapena, Adriana; Castro-Castro, Paula-María; Iglesia, Daniel I.; Vázquez Araújo, Francisco Javier (World Scientific Publishing, 2023)
      [Abstract]: Brain–computer interfaces (BCIs) establish a direct communication channel between the human brain and external devices. Among various methods, electroencephalography (EEG) stands out as the most popular choice ...

    • Eye State Identification Based on Discrete Wavelet Transforms 

      Laport López, Francisco; Castro-Castro, Paula-María; Dapena, Adriana; Vázquez Araújo, Francisco Javier; Fresnedo, Óscar (MDPI, 2021)
      [Abstract]: We present a prototype to identify eye states from electroencephalography signals captured from one or two channels. The hardware is based on the integration of low-cost components, while the signal processing ...

    • Home Automation System Based on Intelligent Transducer Enablers 

      Suárez-Albela, Manuel; Fraga-Lamas, Paula; Fernández-Caramés, Tiago M.; Dapena, Adriana; González-López, Miguel (Multidisciplinary Digital Publishing Institute, 2016)
      [Abstract], This paper presents a novel home automation system named HASITE (Home Automation System based on Intelligent Transducer Enablers), which has been specifically designed to identify and configure transducers ...

    • Hybrid Channel Estimation Strategy for MIMO Systems with Decision Feedback Equalizer 

      Pérez-Iglesias, Héctor J.; Dapena, Adriana; Castro-Castro, Paula-María; García-Naya, José A. (Springer, 2010)
      [Abstract] We propose to combine supervised and unsupervised algorithms in order to improve the performance of multiple-input multiple-output digital communication systems which make use of differential feedback equalizers ...

    • Hybrid Supervised-Unsupervised Channel Estimation Scheme with Dynamic Transmission of Pilots 

      Dapena, Adriana; Castro-Castro, Paula-María; García-Naya, José A. (Springer, 2011-02)
      [Abstract] Multiple-Input Multiple-Output (MIMO) digital communications standards typically include pilot symbols in the definition of the transmit signals with the purpose of acquiring the Channel State Information (CSI) ...

    • Inductive loops for traffic control 

      Lamas-Seco, José J.; Castro-Castro, Paula-María; Dapena, Adriana; Vázquez Araújo, Francisco Javier (2015-09)
      Inductive Loop Detectors (ILDs) are the most commonly used sensors in traffic management systems. This work provides a system capable of obtaining simultaneous inductive signatures of vehicles traveling on a roadway with ...

    • Isolation Number versus Domination Number of Trees 

      Lemanska, Magdalena; Souto Salorio, María José; Dapena, Adriana; Vázquez Araújo, Francisco José (MDPI, 2021-06)
      [Abstract] If 𝐺 = (Vɢ,Eɢ) is a graph of order n, we call 𝑆 ⊆ Vɢ an isolating set if the graph induced by Vɢ − Nɢ[𝑆] contains no edges. The minimum cardinality of an isolating set of 𝐺 is called the isolation number of ...

    • Mobile Application for Analysing the Development of Motor Skills in Children 

      Moreno-Naya, David; Vázquez Araújo, Francisco Javier; Castro-Castro, Paula-María; Vivas-Costa, Jamile; Dapena, Adriana; González Doniz, Luz (MDPI AG, 2020-08-26)
      [Abstract] This work presents a mobile application to complement and reinforce the specific physical activities in children through training prior to such activities and monitoring their progress after it. This experiment ...

    • Moving to e-Service Learning in Higher Education 

      Dapena, Adriana; Castro-Castro, Paula-María; Ares-Pernas, Ana (MDPI, 2022)
      [Abstract] Service Learning is a methodology in which students achieve academic and transversal competences related to the curriculum of a subject while performing a service for the benefit of the community. With the ...

    • New Computation of Resolving Connected Dominating Sets in Weighted Networks 

      Dapena, Adriana; Iglesia, Daniel I.; Vázquez Araújo, Francisco Javier; Castro-Castro, Paula-María (M D P I AG, 2019-11-29)
      [Abstract] In this paper we focus on the issue related to finding the resolving connected dominating sets (RCDSs) of a graph, denoted by G. The connected dominating set (CDS) is a connected subset of vertices of G selected ...

    • PreLectO: An App for Cognitive Stimulation through Games in Early Childhood 

      Nogueiras, Pedro; Castro-Castro, Paula-María; Dapena, Adriana (MDPI, 2021)
      [Abstract] The goal of this work was to develop a mobile application for Android devices, with the objective of stimulating the cognitive skills of children from 0 to 6 years old who are suffering from learning disabilities, ...

    • Proposals and Comparisons from One-Sensor EEG and EOG Human-Machine Interfaces 

      Laport López, Francisco; Iglesia, Daniel I.; Dapena, Adriana; Castro-Castro, Paula-María; Vázquez Araújo, Francisco Javier (MDPI AG, 2021-03-22)
      [Abstract] Human-Machine Interfaces (HMI) allow users to interact with different devices such as computers or home elements. A key part in HMI is the design of simple non-invasive interfaces to capture the signals associated ...

    • Real-time multimedia coding and transmission 

      García-Naya, José A.; López-Granado, Otoniel; Dapena, Adriana; Marcellin, Michael W; Cruz-Chavez, Marco (SpringerOpen & European Association for Signal Processing, 2013)
      [Abstract]: This paper sums up relevant topics covered by the special issue titled ‘Real-Time Multimedia Coding and Transmission’, including efficient content representation, multimedia transmission, hardware and software ...

    • Service-Learning methodology to develop Bachelor’s Thesis in Information and Computer Science Degrees 

      Castro-Castro, Paula-María; Fresnedo, Óscar; Dapena, Adriana; Pereira-Loureiro, Javier; Vázquez Araújo, Francisco Javier (PKP Publishing Services Network, 2024)
      [Abstract]: Service-Learning (SL) is a powerful methodology to acquire competences and values in Higher Education. However, there is still no widespread use in Information and Computer Science (ICS) degrees where most of ...

    • Service-Learning Projects in University Degrees Based on Sustainable Development Goals: Proposals and Results 

      Castro-Castro, Paula-María; Ares-Pernas, Ana; Dapena, Adriana (MDPI AG, 2020-09-25)
      [Abstract] We present several Service-Learning projects developed considering Sustainable Development Goals to provide the students skills for the support of a sustainable society. This project begins with collecting ...

    • SiDIVS: Simple Detection of Inductive Vehicle Signatures with a Multiplex Resonant Sensor 

      Lamas-Seco, José J.; Castro-Castro, Paula-María; Dapena, Adriana; Vázquez Araújo, Francisco Javier (Multidisciplinary Digital Publishing Institute, 2016)
      This work provides a system capable of obtaining simultaneous inductive signatures of vehicles traveling on a roadway with minimal cost. Based on Time-Division Multiplexing (TDM) with multiple oscillators, one for each ...

    • Study of Machine Learning Techniques for EEG Eye State Detection 

      Laport López, Francisco; Castro-Castro, Paula-María; Dapena, Adriana; Vázquez Araújo, Francisco Javier; Iglesia, Daniel I. (MDPI AG, 2020-08-31)
      [Abstract] A comparison of different machine learning techniques for eye state identification through Electroencephalography (EEG) signals is presented in this paper. (1) Background: We extend our previous work by studying ...

    • Testbed-Assisted Learning for Digital Communications Courses 

      García-Naya, José A.; Castro-Castro, Paula-María; González-López, Miguel; Dapena, Adriana (John Wiley & Sons, 2013-09)
      [Abstract] We introduce testbed-assisted learning as an effective means for teaching digital communications. Laboratory teaching activities of digital communications courses benefit very much from utilizing a hardware ...

    • Utilization of a Mobile Application for Motor Skill Evaluation in Children 

      Moreno-Naya, David; Vázquez Araújo, Francisco Javier; Castro-Castro, Paula-María; Vivas-Costa, Jamile; Dapena, Adriana; González Doniz, Luz (MDPI AG, 2021-01-12)
      [Abstract] The detection of needs in educational reinforcement must be done in the early stages of childhood during primary education to improve the acquisition of motor skills. An adequate early intervention can solve ...

    • Utilization of Blind Source Separation Algorithms for MIMO Linear Precoding 

      Castro-Castro, Paula-María; Pérez-Iglesias, Héctor J.; Dapena, Adriana; Castedo, Luis (Springer, 2006)
      [Abstract] In this paper we investigate the application of Blind Source Separation (BSS) algorithms for the decoding of linearly precoded MIMO communication systems and for the design of limited feedback channels that send ...