Programa de Doctorat en Informàtica: Recent submissions
Now showing items 26-45 of 95
Data selection and spectral-spatial characterisation for hyperspectral image segmentation. Applications to remote sensing
El análisis de imágenes ha impulsado muchos descubrimientos en la ciencia actual. Esta tesis se centra en el análisis de imágenes remotas para inspección aérea, exactamente en el problema de segmentación y clasificación ...
Energy-aware matrix computations on multithreaded architectures
Desde hace décadas, la computación de altas prestaciones ha concentrado sus esfuerzos en la optimización de algoritmos aplicados a la resolución de problemas complejos que aparecen en un amplio abanico de aplicaciones de ...
Face gender classification under realistic conditions. Dealing with neutral, expressive and partially occluded faces
Esta tesis se centra en la clasificación de género a partir de imágenes faciales tratando el problema con un enfoque más realista que el tradicionalmente utilizado en la literatura. En entornos reales, pueden surgir varios ...
Diseño de un sistema de comunicaciones para virtualización remota de aceleradores gráficos sobre sistemas heterogéneos
El consumo de energía es una de las principales preocupaciones en el diseño de cualquier sistema de HPC y ha sido recientemente reconocido como uno de los grandes retos para alcanzar el siguiente hito en el rendimiento ...
Modeling and analyzing opinions from customer reviews
The main motivation behind this thesis is the problem of aspect-based sentiment summarization and its application to Business Intelligence (BI). Given a collection of opinion posts, aspect-based summarization has to do ...
Discovering and Describing Coherent and Meaningful Topics from Document Collections
The main motivation behind this thesis is the problem of automatically discovering and describing coherent and meaningful topics underlying a target collection of text documents; where a topic is a theme that runs through ...
Simulaciones hiperrealistas para robótica educativa
Esta tesis se centra en el estudio y desarrollo de simulaciones que explotan las capacidades del hardware y del software actuales para ofrecer experiencias más didácticas y atractivas en robótica educativa. Para conseguir ...
Received Signal Strength-based Indoor Positioning: Integrative Outlooks and Solutions
This thesis mainly deals with the stages of model description and evaluation of Indoor Positioning Systems based on fingerprinting. Its first contribution is a meta-review that addresses the current state of the art and ...
Computación de altas prestaciones en genómica
Esta tesis se centra en la aplicación de técnicas de computación de altas prestaciones a dos problemas bioinformáticos. La primera parte del trabajo ha consistido en el desarrollo de un software eficiente para el alineamiento ...
Analysis and Development of a Platform for Generating Context-Aware Apps for Mental Health
This work gathers a research carried out on the use of context-aware technologies in their application to the field of mental health. It starts performing a review of mobile technologies used in psychological interventions ...
Sparse Linear System Solvers on GPUs: Parallel Preconditioning, Workload Balancing, and Communication Reduction
With the breakdown of Dennard scaling in the mid-2000s and the end of Moore's law on the horizon, the high performance computing community is turning its attention towards unconventional accelerator hardware to ensure the ...
Aplicación de la visión artificial a la manipulación robótica en el contexto de la intervención subacuática
En esta tesis se describe un sistema integral para la manipulación de objetos guiada por visión en escenarios subacuáticos en el contexto de la arqueología. El sistema propuesto consiste en la reconstrucción en 3D del ...
Framework for Autonomous Underwater Grasping of Unknown Objects
This thesis studies the problem of autonomously grasping an unknown object in an underwater scenario using an I-AUV. Firstly, a new approach to autonomously obtain an accurate and complete 3D reconstruction of an object ...
High-throughput Computation through Efficient Resource Management
This proposal addresses, from two different approaches, the improvement of data centers productivity through an efficient resource management. On the one hand, the combination of GPU remote virtualization technologies with ...
Multi-level Parallelization in ROOT: New Patterns, Libraries and Utilities
The Large Hadron Collider (LHC) is generating Physics data at an unprecedented rate that is expected to continue increasing in the future. This situation results in increasing demands in computation and processing power ...
Application and use of quality metrics for the prediction of grasp success and evaluation of artificial hands
Artificial manipulation has been one of the main areas of interest in robotics for decades. Finding a proper grasp to seize objects and design robotic hands capable of such grasps are two of the main problems in such ...
Unification of Lightweight Thread Solutions and their Application in High Performance Programming
Lightweight thread (LWT) libraries have been developed to tackle fine-grained and dynamic software requirements. These libraries are based on the concept of threads that are managed in the user-space. This thesis aims ...
Contact driven robotic grasping
As a result, in this thesis we provide a complete implementation of a manipulation system that can operate in unstructured environments. However, there is room for improvement in all the components presented and many ...
Extremely Low and Variable Bandwidth Image Compression with Region of Interest Applied to Real Time Underwater Robotic Interventions
A new fast and progressive set-partitioning image compression parallel algorithm with Region Of Interest (ROI) which outputs an embedded bit oriented rate-distortion optimized stream and addresses very low bit rate compression ...
Framework for the Implementation of a Big Data Ecosystem in Organizations
The core of this Ph.D. thesis is the development of a framework that serves as a guide for implementing ecosystems based on Big Data and Web 2.0 technologies in organizations. Unlike existing frameworks, this framework not ...
