Now showing items 36-55 of 73

    Geographical interdependent robustness measures in transportation networks 

    Rueda Pepinosa, Diego Fernando (Date of defense: 2018-11-14)

    Most of transportation networks interacts with other to support our modern society way of life. The proper performance of interdependent networks depends on the normal operation of the networks that are interconnected. The ...

    Gestión del conocimiento en la co-creación de material educativo con y para estudiantes con altas capacidades 

    Meneses Ortegón, Juan Pablo (Date of defense: 2023-06-20)

    The development of any process handles data. These data are generated from information that in turn generates knowledge. The ideal is that this knowledge provides the process with added value that allows it to improve, ...

    Glandular tissue pattern analysis through multimodal MRI-mammography registration 

    García Marcos, Eloy (Date of defense: 2018-04-05)

    Breast cancer is the most common cancer among women worldwide. Several studies have shown that the combination of the different medical image modalities, such as the x-ray mammography and the magnetic resonance imaging ...

    Gradient-based reinforcement learning techniques for underwater robotics behavior learning 

    El-Fakdi Sencianes, Andrés (Date of defense: 2011-03-03)

    Darrerament, l'interès pel desenvolupament d'aplicacions amb robots submarins autònoms (AUV) ha crescut de forma considerable. Els AUVs són atractius gràcies al seu tamany i el fet que no necessiten un operador humà per ...

    Image blending techniques and their application in underwater mosaicing 

    Prados Gutiérrez, Ricard (Date of defense: 2013-05-02)

    The fusion of several images of the same scene into a single and larger composite is known as photo-mosaic. Unfortunately, the seams along image boundaries are often noticeable, due to photometrical and geometrical ...

    Improving resource utilization in carrier ethernet technologies 

    Caro Perez, Luis Fernando (Date of defense: 2010-01-19)

    Ethernet está empezando a pasar de las redes de área local a una red de transporte. Sin embargo, como los requisitos de las redes de transporte son más exigentes, la tecnología necesita ser mejorada. Esquemas diseñados ...

    Label space reduction in GMPLs and All-Optical Label Swapping networks 

    Solano Donado, Fernando (Date of defense: 2007-12-04)

    All-Optical Label Swapping (AOLS) es una tecnología clave para la implementación de nodos de conmutación completamente óptica de paquetes. Sin embargo, el costo de su desarrollo es proporcional al tamaño del espacio de ...

    Large-Scale Surface registration 

    Batlle Subirós, Elisabet (Date of defense: 2008-12-19)

    The first part of this work presents an accurate analysis of the most relevant 3D registration techniques, including initial pose estimation, pairwise registration and multiview registration strategies. A new classification ...

    Learning design implementation in context-aware and adaptive mobile learning 

    Gómez Ardila, Sergio Eduardo (Date of defense: 2013-06-06)

    Mobile learning (m-learning) is still in its infancy, and great efforts should be made so as to investigate the potentials of an educational paradigm shift from the traditional one-size-fits-all teaching approaches to an ...

    Manifold clustering for motion segmentation 

    Zappella, Luca (Date of defense: 2011-06-30)

    En aquesta tesi s’estudia el problema de la segmentació del moviment. La tesi presenta una revisió dels principals algoritmes de segmentació del moviment, s’analitzen les característiques principals i es proposa una ...

    Medium access control messaging scheme for cognitive radio networks 

    Bolívar Díaz, Nicolás (Date of defense: 2012-07-30)

    Cognitive Radio (CR) is one possible option for mitigating the inefficient wireless spectrum distribution that occurs as a result of fixed spectrum allocation. The use of Dynamic Spectrum Access capabilities will potentially ...

    Motion annotation in complex video datasets 

    Mahmood, Muhammad Habib (Date of defense: 2018-11-16)

    Motion segmentation refers to the process of separating regions and trajectories from a video sequence into coherent subsets of space and time. In this thesis, we created a new multifaceted motion segmentation dataset ...

    MSSPACC: Sistema d'execució paral·lela d'aplicacions amb especulació sobre entorns distribuïts 

    Puiggalí, Joan (Date of defense: 2012-11-07)

    The research we have conducted has been aimed at developing a new mechanism of extraction and use of parallelism at a high level, based on speculation techniques, in cluster environments. This allows our mechanism to be ...

    New robustness evaluation mechanism for complex networks 

    Manzano Castro, Marc (Date of defense: 2014-11-20)

    Network science has significantly advanced in the last decade, providing insights into the underlying structure and dynamics of complex networks. Critical infrastructures such as telecommunication networks play a pivotal ...

    One-shot pattern projection for dense and accurate 3D reconstruction in structured light 

    Fernández Navarro, Sergio (Date of defense: 2012-06-22)

    This thesis focuses on the problem of 3D acquisition using coded structured light (CSL). In CSL, a projected pattern impinges artificial texture onto the object surface, increasing the number of correspondences in the ...

    Online 3D view planning for autonomous underwater exploration 

    Vidal Garcia, Eduard (Date of defense: 2019-11-28)

    Autonomous underwater vehicles are used nowadays in many applications. One of the applications is mapping of a particular area of the ocean. Quen the robot needs to cover the area of interest and no prior knowledge of ...

    Online acoustic localization methods for autonomous underwater vehicles 

    Vallicrosa Massaguer, Guillem (Date of defense: 2018-11-15)

    Autonomous Underwater Vehicles (AUVs) true autonomy capabilities in complex unknown environments, have not yet been fully achieved because of the lack of online algorithms that can solve fundamental problems such as ...

    Online path planning for autonomous underwater vehicles under motion constraints 

    Hernández Vega, Juan David (Date of defense: 2017-10-26)

    The most common applications of autonomous underwater vehicles (AUVs) include imaging and inspecting different kinds of structures on the sea. Most of these applications require a priori information of the area or structure ...

    Path planning with homotopic constraints for autonomous underwater vehicles 

    Hernàndez Bes, Emili (Date of defense: 2012-06-15)

    This thesis addresses the path planning problem for Autonomous Underwater Vehicles (AUVs) using homotopy classes to provide topological information on how paths avoid obstacles. Looking for a path within a homotopy class ...

    Robot learning applied to autonomous underwater vehicles for intervention tasks 

    Carrera Viñas, Arnau (Date of defense: 2017-07-21)

    The interest in performing underwater tasks using Autonomous Underwater Vehicles (AUVs) has been growing over the past few years. In this thesis, a flexible framework for underwater interventions using a Learning ...