Browsing Facultad de Ingeniería de Sistemas Computacionales by Title

Now showing items 136-155 of 191

    • 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 ...

    • Reuse of use cases diagrams: an approach based on ontologies and semantic web technologies 

      Bonilla-Morales, Belen; Crespo, Sergio; Clunie, Clifton (2012-07-04)
      Software reuse is defined as the use of any artifact, or part thereof, created before, on a new Project. This practice has significant benefits in reducing costs and increasing quality and productivity in software development. ...

    • Robot Semantic Localization Through CNN Descriptors 

      Cruz, Edmanuel; Rangel, José Carlos; Cazorla, Miguel (11/12/2017)
      Semantic localization for mobile robots involves an accurate determination of the kind of place where a robot is located. Therefore, the representation of the knowledge of this place is crucial for the robot. In this paper ...

    • S-MAS: An adaptive hierarchical distributed multi-agent architecture for blocking malicious SOAP messages within Web Services environments 

      Pinzón Trejos, Cristian; Bajo, Javier; De Paz, Juan; Corchado, Juan (05/01/2011)
      During the last years the use of Web Service-based applications has notably increased. However, the security has not evolved proportionally, which makes these applications vulnerable and objective of attacks. One of the ...

    • Sagnac loop in ring resonators for tunable optical filters 

      Vargas, Salvador; Vázquez, Carmen; Sánchez Pena, José Manuel (08/01/2005)
      General filter architecture using co-and counterpropagation signals are studied. A specific configuration based on a Sagnac loop within a ring resonator is analyzed. Novel tuning, apart from conventional tuning,is achieved ...

    • Scene classification based on semantic labeling 

      Rangel, José Carlos; Cazorla, Miguel; García-Varea, Ismael; Martínez-Gómez, Jesus; Fromont, Élisa; Sebban, Marc (07/14/2015)
      Finding an appropriate image representation is a crucial problem in robotics. This problem has been classically addressed by means of computer vision techniques, where local and global features are used. The selection ...

    • SCMAS: A distributed hierarchical multi-agent architecture for blocking attacks to databases 

      Pinzón Trejos, Cristian; Corchado, Juan; Bajo, Javier; De Paz, Yanira; Perez-Lancho, Belen (04/04/2010)
      One of the main attacks on databases is the SQL injection attack which causes severe damage both in the commercial aspect and the confidence of users. This paper presents a novel strategy for detecting and preventing SQL ...

    • A Security Proposal Based on a Real Time Agent to Protect Web Services Against DoS Attack 

      Pinzón Trejos, Cristian; González, Angélica; Rubio, Manuel; Bajo, Javier (2012-07-02)
      This paper describes a novel proposal based on a real time agent to detect and block denial of service attacks within web services environments. The real time agent incorporates a classification mechanism based on a Case-Base ...