Now showing items 129-148 of 191

    • New optical filter employing multireflection mirror to provide design flexibility for WDMA 

      Vargas, Salvador; Vázquez, Carmen (2008-06-22)
      A novel optical device employing an amplified ring resonator and a multireflecting mirror inside, is presented. Is founded its transfer function. Also simple expressions for the separation of the two maximums of this novel ...
    • An NFC approach for nursing care training 

      Fontecha, Jesus; Hervas, Ramon; Bravo, Jose; Villarreal, Vladimir (02/22/2011)
      Nowadays there is a need to improve the life quality of people in different social environments. One of the main fields to propose new improvements is healthcare. In this kind of scenario, health workers are doing a very ...
    • NFC Approach: Towards a Simple Interaction 

      Nava-Díaz, Salvador W.; Chavira, Gabriel; Hervás, Ramón; Villarreal, Vladimir; Bravo, José; Martón, Sergio; Castro, Manuel (2009-07-01)
      Nowadays, there are devices with great computing capabilities and these in different places around us. This technology opens us new possibilities and allows us the simple and easy interaction between user and computer. We ...
    • NFC Approach: Towards a Simple Interaction 

      Nava-Diaz, Salvador; Chavira, Gabriel; Hervas, Ramon; Villarreal, Vladimir; Bravo, Jose; Martin, Sergio; Castro, Manuel (01/01/2009)
      Nowadays, there are devices with great computing capabilities and these in different places around us. This technology opens us new possibilities and allows us the simple and easy interaction between user and computer. We ...
    • NFC en Contextos Asistenciales: Un Complemento a la Enfermedad de Alzheimer 

      Bravo, Jose; Peña, Rocio; Casero, Gregorio; Fuentes, Carmen; Hervas, Ramon; Vergara, Marcos; Nava, Salvador; Villarreal, Vladimir; Chavira, Gabriel (2as Jornadas Científicas sobre RFID2as Jornadas Científicas sobre RFID, 11/05/2008)
      Los enfermos de Alzheimer requieren una gran atención por parte de los cuidadores, que no pueden distraerse ni un solo segundo para escribir los incidentes que van ocurriendo en la jornada diaria. Por esta razón, toda ...
    • Novel tunable optical filter employing a fiber loop mirror for synthesis applications in WDM 

      Vargas, Salvador; Vázquez, Carmen; Sánchez Pena, José Manuel (11/12/2001)
      A novel optical filter employing a fiber loop mirror within an amplified ring resonator is presented. The fiber loop mirror allows tuning by changing the coupling factor of a coupler. The device can be used as a building ...
    • Novel tuneable filter based on MZ and an amplified ring resonator for OFDM networks 

      Vargas, Salvador; Vázquez, Carmen (1999-11-08)
      A novel reconfigurable fibre based tuneable filter is proposed. The module relies on a cascaded connection of Mach-Zehnders and an amplified fibre ring resonator. MHz range adjustable FHWM bandwidths and high crosstalk are ...
    • Object Recognition in Noisy RGB-D Data 

      Rangel, José Carlos; Morell, Vicente; Cazorla, Miguel; Orts-Escolano, Sergio; García Rodríguez, José (01/01/2015)
      The object recognition task on 3D scenes is a growing research field that faces some problems relative to the use of 3D point clouds. In this work, we focus on dealing with noisy clouds through the use of the Growing Neural ...
    • Object recognition in noisy RGB-D data using GNG 

      Rangel, José Carlos; Morell, Vicente; Cazorla, Miguel; Orts-Escolano, Sergio; García-Rodríguez, José (Pattern Analysis and ApplicationsPattern Analysis and Applications, 04/26/2016)
      Object recognition in 3D scenes is a research field in which there is intense activity guided by the problems related to the use of 3D point clouds. Some of these problems are influenced by the presence of noise in the ...
    • Ontological Context-Awareness for Adaptive Augmented Reality 

      Hervás, Ramón; Bravo, José; García-Lillo, Alberto; Fontecha, Jesús; Villarreal, Vladimir (2011-07-03)
      This paper presents a proposal for supporting daily user needs by simple interactions with the environment through an augmented-reality perspective and applying proactive adaptation through knowledge representation using ...
    • Optical reconfigurable demultiplexer based on Bragg grating assisted ring resonators 

      Vargas, Salvador; Vázquez, Carmen (08/11/2014)
      A polarization independent reconfigurable optical demultiplexer with low crosstalk between adjacent channels and high number of potential allocated channels is designed on silicon on insulator technology. On to off state ...
    • Optical router for optical fiber sensor networks based on a liquid crystal cell 

      Vargas, Salvador; Sánchez Pena, José Manuel; Vázquez, Carmen; Aranda, Angel; Pérez, Isabel (09/04/2003)
      Optical fiber sensor networks are evolving rapidly. They are used because of the inert nature of optical fibers allowing no electromagnetic interference and safe applications in inflammable atmospheres; other relevant ...
    • PIViTa: Taxonomy for Displaying Information in Pervasive and Collaborative Environments 

      Hervás, Ramón; Nava, Salvador; Chavira, Gabriel; Bravo, José; Villarreal, Vladimir (2009-07-01)
      In the years ahead, there are increasing demands for ubiquitous and continuous access to information and interactive devices embedded into a physical context are proliferated. Users need support for getting required ...
    • A plastic fiber optic liquid level sensor 

      Vargas, Salvador; Vázquez, Carmen; Gonzalo, Ana Belen; Sánchez Pena, José Manuel (06/09/2004)
      A system for measuring liquid level in multiple tanks using optical fiber technology has been developed. Oil field service industry or any sector requiring liquid level measurements in inflammable atmospheres can be benefited ...
    • A Proposal for Mobile Diabetes Self-control: Towards a Patient Monitoring Framework 

      Villarreal, Vladimir; Laguna, Javier; López, Silvia; Fontecha, Jesús; Fuentes, Carmen; Hervás, Ramón; de Ipiña, López (06/10/2009)
      In this paper, we present a proposal for Patients’ Mobile Monitoring. This framework enables the definition and generation of profiles, modules and communication structures between each of the measuring devices and the ...
    • Protecting Web Services against DoS Attacks: A Case-Based Reasoning Approach 

      Pinzón Trejos, Cristian; De Paz, Juan; Zato, Carolina; Peréz, Javier (06/23/2010)
      The real-time detection is a key factor to detect and block DoS attacks within Web services. DoS attacks can be generated for different techniques that take advantage of points vulnerable within Web services. This paper ...
    • Real-time CBR-agent with a mixture of experts in the reuse stage to classify and detect DoS attacks 

      Pinzón Trejos, Cristian; De Paz, Juan; Navarro, Martí; Bajo, Javier; Julián, Vicente; Corchado, Juan (10/01/2010)
      Security is a major concern when service environments are implemented. This has led to the proposal of a variety of specifications and proposals based on soft computing methods to provide the necessary security for these ...
    • Red Iberoamericana de apoyo a los procesos de enseñanza-aprendizaje de competencias profesionales a través de entornos Ubicuos y Colaborativos 

      de Clunie, Gisela T.; Collazos, César A.; González, Carina S. (06/01/2014)
      La nueva economía supone nuevos retos para los trabajadores, ya que se requieren niveles más elevados de conocimiento, actualización continua y permanente de la información, adquisición de nuevas competencias tecnológicas, ...
    • Redes Sociales su impacto en la Educación Superior: Caso de estudio Universidad Tecnológica de Panamá 

      Muñoz, Lilia; González, Cecilia (03/28/2016)
      La incorporación de las Tecnologías de la Información y Comunicación (TIC) a la edu- cación han trazado nuevas demandas hacia los educadores, los usuarios, las instituciones educativas y en general a las distintas esferas ...
    • Redes Sociales su impacto en la Educación Superior: Caso de estudio Universidad Tecnológica de Panamá 

      Muñoz, Lilia; González, Cecilia (Campus Virtuales, Vol. V, Num. 1, pp. 84-90.Campus Virtuales, Vol. V, Num. 1, pp. 84-90., 03/01/2016)
      La incorporación de las Tecnologías de la Información y Comunicación (TIC) a la educación han trazado nuevas demandas hacia los educadores, los usuarios, las instituciones educativas y en general a las distintas esferas ...