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

    Solano Donado, Fernando (Fecha de defensa: 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 ...

    Admission control schemes for TCP elastic traffic in class-based networks 

    Fàbrega i Soler, Lluís (Fecha de defensa: 2008-07-11)

    En aquesta tesi proposem dos esquemes de xarxa amb control d'admissió per al trànsit elàstic TCP amb mecanismes senzills. Ambdós esquemes són capaços de proporcionar throughputs diferents i aïllament entre fluxos, on un ...

    Underwater slam for estructured environments using and imaging sonar 

    Ribas Romagós, David (Fecha de defensa: 2008-09-29)

    Aquesta tesi tracta sobre el problema de la navegació per a vehicles submarins autònoms que operen en entorns artificials estructurats com ara ports, canals, plataformes marines i altres escenaris similars. A partir ...

    Large-Scale Surface registration 

    Batlle Subirós, Elisabet (Fecha de defensa: 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 ...

    Entorno de aprendizaje virtual adaptativo soportado por un modelo de usuario integral 

    Vélez Ramos, Jeimy Beatriz (Fecha de defensa: 2009-11-11)

    El objetivo de esta tesis es mejorar la efectividad y eficiencia de los entornos de aprendizaje virtual. Para lograr este propósito se define un Modelo de Usuario que considera las características del usuario, el contexto ...

    Efficient 3D scene modeling and mosaicing 

    Nicosevici, Tudor (Fecha de defensa: 2009-12-18)

    El modelat d'escenes és clau en un gran ventall d'aplicacions que van des de la generació mapes fins a la realitat augmentada. Aquesta tesis presenta una solució completa per a la creació de models 3D amb textura. En ...

    Improving resource utilization in carrier ethernet technologies 

    Caro Perez, Luis Fernando (Fecha de defensa: 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 ...

    Gradient-based reinforcement learning techniques for underwater robotics behavior learning 

    El-Fakdi Sencianes, Andrés (Fecha de defensa: 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 ...

    Manifold clustering for motion segmentation 

    Zappella, Luca (Fecha de defensa: 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 ...

    Efficient topology estimation for large scale optical mapping 

    Elibol, Armagan (Fecha de defensa: 2011-07-29)

    Large scale image mosaicing methods are in great demand among scientists who study different aspects of the seabed, and have been fostered by impressive advances in the capabilities of underwater robots in gathering optical ...

    Robustness against large-scale failures in communications networks 

    Segovia Silvero, Juan (Fecha de defensa: 2011-12-15)

    This thesis studies robustness against large-scale failures in communications networks. If failures are isolated, they usually go unnoticed by users thanks to recovery mechanisms. However, such mechanisms are not effective ...

    A mission control system for an autonomous underwater vehicle 

    Palomeras Rovira, Narcís (Fecha de defensa: 2011-12-19)

    The presented work focuses on the theoretical and practical aspects concerning the design and development of a formal method to build a mission control system for autonomous underwater vehicles bringing systematic design ...

    Computer vision techniques for early detection of skin cancer 

    Quintana Plana, Josep (Fecha de defensa: 2012-06-14)

    This thesis investigates the problem of developing new computer vision techniques for early detection of skin cancer. The first part of this work presents a novel methodology to correct color reproduction in dermatological ...

    Path planning with homotopic constraints for autonomous underwater vehicles 

    Hernàndez Bes, Emili (Fecha de defensa: 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 ...

    Appearance-based mapping and localization using feature stability histograms for mobile robot navigation 

    Bacca Cortés, Eval Bladimir (Fecha de defensa: 2012-06-20)

    This work proposes an appearance-based SLAM method whose main contribution is the Feature Stability Histogram (FSH). The FSH is built using a voting schema, if the feature is re-observed, it will be promoted; otherwise it ...

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

    Fernández Navarro, Sergio (Fecha de defensa: 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 ...

    Medium access control messaging scheme for cognitive radio networks 

    Bolívar Díaz, Nicolás (Fecha de defensa: 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 ...

    Robust image segmentation applied to magnetic resonance and ultrasound images of the prostate 

    Ghose, Soumya (Fecha de defensa: 2012-10-19)

    Prostate segmentation in trans rectal ultrasound (TRUS) and magnetic resonance images (MRI) facilitates volume estimation, multi-modal image registration, surgical planing and image guided prostate biopsies. The objective ...

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

    Puiggalí, Joan (Fecha de defensa: 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 ...

    Supporting competence development processes on open learning systems through personalization 

    Baldiris Navarro, Silvia Margarita (Fecha de defensa: 2012-12-14)

    This thesis aim for promoting the learning objects economy by offering teacher the possibility of generating adaptive and standardized learning designs. The adaptation of the generated learning design considers two of the ...