Now showing items 1-20 of 381

    • Applying a service-oriented approach for developing a distributed multi-agent system for healthcare 

      Tapia, Dante; De Paz, Juan; Rodríguez, Sara; Pinzón Trejos, Cristian; Cano, Rosa; Bajo, Javier; Corchado, Juan (01/01/2010)
      This paper presents a service-oriented architecture that allows a more efficient distribution of resources and functionalities. The architecture has been used to develop a multi-agent system aimed at enhancing the assistance ...
    • Multi-layer perceptrons to reduce ground reflection effect in real-time locating systems 

      Tapia, Dante; De Paz, Juan; Pinzón Trejos, Cristian; Bajo, Javier; Alonso, Ricardo; Corchado, Juan (01/26/2012)
      Nowadays, indoor Real-Time Locating Systems represent one of the most exciting applications based on Wireless Sensor Networks using wireless technologies such as Wi-Fi or ZigBee. Indoor Real-Time Locating Systems based on ...
    • Smoke detection for static cameras 

      Cáceres Hernández, Danilo; Hyun Jo, Kang; Filonenko, Alexander (01/28/2015)
      This paper describes the smoke detection for static cameras. The background subtraction was used to determine moving objects. Color characteristics were utilized to distinguish smoke regions and other scene members. Separate ...
    • State-of-charge estimation to improve decision making by MAC protocols used in WSNs 

      L. Quintero, Vanessa; Perez, A.; Estevez, C.; Orchard, M. (IET, 02/07/2019)
      Energy conservation is a topic of great interest in wireless sensor networks (WSNs). Various techniques have been proposed to minimise the energy consumption. One approach is to design medium access control (MAC) protocols ...
    • Stairway tracking based on automatic target selection using directional filters 

      Cáceres Hernández, Danilo; Hyun Jo, Kang (02/09/2011)
      In this paper we are proposing to detect the localization and recognition of an indoor stairway. This is a fundamental step in the implementing of autonomous stair climbing navigation, as well as the implementing of passive ...
    • SoC control for improved battery life and throughput performance under VST-TDMA 

      Torres, Boris; L. Quintero, Vanessa; Estevez, Claudio; Orchard, Marcos; Azurdia, César (IET, 02/09/2017)
      Energy independence is a wireless device quality that demands the utmost exigency. Energy harvesting devices (EHD) alleviate the energy constraints demanded by these nodes and with the use of protocols, such as variable ...
    • 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 ...
    • Induced Desorption of DDT, DDD, and DDE from a Contaminated Sediment 

      Jafvert, Chad; Vogt, Beth; Fábrega, José (03/01/1997)
      Release profiles of p,p′-DDT, p,p′-DDD, and p,p′-DDE from sediment collected from Indian Creek, Alabama, were measured with a gas purge-induced desorption technique and compared to a model developed in this work. DDT entered ...
    • Adding extra sensitivity to the SMART non‐linear actuator using sensor fusion 

      Montes Franceschi, Héctor; Caballero, Rony; Armada, Manuel (Industrial Robot: The International Journal Of Robotics Research And Application, 03/01/2004)
      The prospect of using humanoid robots in practical applications attracts an important research effort and the latest steps forward in robot technology show many remarkable achievements where design aspects, control systems ...
    • Low power consumption silicon photonics tuning filters based on compound microring resonators 

      Vargas, Salvador; Vázquez, Carmen (03/14/2013)
      Scalable integrated optics platforms based on silicon-on-insulator allow to develop optics and electronics functions on the same chip. Developments in this area are fostered by its potential as an I/O technology that can ...
    • Laser scanner based heading angle and distance estimation 

      Cáceres Hernández, Danilo; Filonenko, Alexander; Seo, Dongwook; Hyun Jo, Kang (03/17/2013)
      Towards autonomous vehicle navigation the problem of guidance is a major difficulty faced by fully autonomous vehicle. This paper proposes a new method to estimate the heading angle for safe autonomous navigation purpose. ...
    • Modeling Abiotic Processes of Aniline in Water-Saturated Soils 

      Fábrega, José; Jafvert, Chad; Li, Hui; Lee, Linda (03/18/2000)
      The long-term interactions of aromatic amines with soils are important in defining the fate and transport of these compounds in the environment. Abiotic loss of aniline from the aqueous phase to the soil phase occurs with ...
    • Survival Engineering and the Game of Knowledge: A Ludic Form of Teaching and Learning in Engineering 

      Tejedor De León, Alexis (The Future of Higher Education in the Middle East and Africa, 03/27/2018)
      Within the engineering pedagogy, it must be remembered that students learn in many different ways: seeing, hearing, thinking, acting, drawing analogies, and building mathematical models in the area of science and technology. ...
    • Technologies to Better Serve the Millions of Diabetic Patients: A Holistic, Interactive and Persuasive ICT Model to Facilitate Self Care, in Extremely Poor Rural Zones of Central America 

      Vargas-Lombardo, Miguel; Jipsion, Armando; Vejarano, Rafael; Camargo, Ismael; Alvarez, Humberto; Villalba Mora, Elena (04/01/2012)
      Health indicators express remarkable gaps between health systems at a world-wide level. Countries of the entire world are overflowed by the need of new strategies, methodologies and technologies to better serve the millions ...
    • Virtual world interaction 

      Lee, Nadia; de Clunie, Gisela T. (04/04/2014)
      The research paper describes the development of a user friendly 3D virtual world. For the research, we modeled building number 3 of the Technological University of Panama, Victor Levi Sasso Campus. For the virtual world ...
    • Design and tolerance analysis of a router with an amplified resonator and Bragg gratings 

      Vargas, Salvador; Vázquez, Carmen; Sánchez Pena, José Manuel (04/20/2000)
      A novel ring resonator configuration with Bragg gratings is presented. The stability of this configuration is studied by a z-transform technique. A router design with a FWHM of 17 MHz, a -40-dB rejection ratio, and a 15-dB ...
    • 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 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 ...
    • ICT: Improving processes in rural areas 

      Muñoz, Lilia; Batista Acosta, Farrah Jaime; Moreno Ríos, Rodolfo Edgar; Vásquez, Volker (04/28/2016)
      The Information and Communication Technologies (ICT) are the foundation for the Administration to achieve lower costs, streamline processes and provide better service to citizens; but above all they allow you to convert ...
    • Wide tunable filters using a recirculating delay line with multi-reflections 

      Vargas, Salvador; Vázquez, Carmen; Sánchez Pena, José Manuel (05/01/2002)
      A ring resonator with multiple reflections as a tunable filter is proposed and analyzed in this paper. A coupler and two identical Bragg gratings are used to implement the internal reflections so an active filter with a ...
    • 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 ...