A Bayesian approach to robust identification: application to fault detection 

    Fernández Canti, Rosa Ma. (Date of defense: 2013-02-07)

    In the Control Engineering field, the so-called Robust Identification techniques deal with the problem of obtaining not only a nominal model of the plant, but also an estimate of the uncertainty associated to the nominal ...

    Computer vision beyond the visible : image understanding through language 

    Salvador, Amaia (Date of defense: 2019-06-27)

    In the past decade, deep neural networks have revolutionized computer vision. High performing deep neural architectures trained for visual recognition tasks have pushed the field towards methods relying on learned image ...

    Concept design, analysis, and Integration of the new U.P.C. multispectral lidar system 

    Kumar, Dhiraj (Date of defense: 2012-07-16)

    The increasing need for range-resolved aerosol and water-vapour atmospheric observation networks worldwide has given rise to multi-spectral LIDARs (Light Detection and Ranging, a synonym of laser radar) as advanced remote ...

    Contributions to land, sea, and sea ice remote sensing using GNSS-reflectometry 

    Alonso Arroyo, Alberto (Date of defense: 2016-11-10)

    This PhD thesis researches the use of passive remote sensing techniques using signals transmitted from the navigation satellites (GNSS) in order to retrieve different geophysical parameters. The thesis consists of two ...

    Data and methods for a visual understanding of sign languages 

    Cardoso Duarte, Amanda (Date of defense: 2022-06-27)

    Signed languages are complete and natural languages used as the first or preferred mode of communication by millions of people worldwide. However, they, unfortunately, continue to be marginalized languages. Designing, ...

    Design and implementation of an SDR-based multi-frequency ground-based SAR system 

    Amézaga, Adrià (Date of defense: 2020-11-25)

    Synthetic Aperture Radar (SAR) has proven a valuable tool in the monitoring of the Earth, either at a global or local scales. SAR is a coherent radar system able to image extended areas with high resolution, and finds ...

    Design and implementation of low complexity adaptive optical OFDM systems for software-defined transmission in elastic optical networks 

    Nadal Reixats, Laia (Date of defense: 2014-11-21)

    Due to the increasing global IP traffic and the exponential growing demand for broadband services, optical networks are experimenting significant changes. Advanced modulation formats are being implemented at the Digital ...

    DSP-based CW lidars for clouds and aerosol 

    Ardanuy Della, Antoni (Date of defense: 2020-12-14)

    This thesis aims at exploring the limits of low peak-power, low-cost, all-semiconductor, compact lidars (laser radars) for range-resolved remote sensing of atmospheric aerosols and clouds. The systems investigated are based ...

    Energy and cost management in shared heterogeneous network deployments 

    Oikonomakou, Maria (Date of defense: 2019-04-10)

    During the recent years, a huge augmentation of the data traffic volume has been noticed, while a further steep increase is expected in the following years. As a result, questions have been raised over the years about the ...

    Face recognition by means of advanced contributions in machine learning 

    Espinosa Duró, Virginia (Date of defense: 2013-06-14)

    Face recognition (FR) has been extensively studied, due to both scientific fundamental challenges and current and potential applications where human identification is needed. FR systems have the benefits of their non ...

    GNSS reflectometry for land remote sensing applications 

    Egido Egido, Alejandro (Date of defense: 2013-07-05)

    Soil moisture and vegetation biomass are two essential parameters from a scienti c and economical point of view. On one hand, they are key for the understanding of the hydrological and carbon cycle. On the other hand, soil ...

    Hierarchical region based processing of images and video sequences: application to filtering, segmentation and information retrieval 

    Garrido Ostermann, Luís (Date of defense: 2002-06-14)

    Este trabajo estudia la utilidad de representaciones jerárquicas basadas en regiones para el procesado de imagen y de secuencias de vídeo. Las representaciones basadas en regiones ofrecen una forma de realizar un primer ...

    High-resolution deformation measurement using "Persistent Scatterer Interferometry" 

    Devanthéry Arasa, Núria (Date of defense: 2014-10-31)

    Persistent Scatterer Interferometry (PSI) is a group of advanced differential interferometric SAR techniques that are used to measure and monitor terrain deformation. Different PSI techniques have been proposed in the last ...

    Human body analysis using depth data 

    Suau Cuadros, Xavier (Date of defense: 2013-12-04)

    Human body analysis is one of the broadest areas within the computer vision field. Researchers have put a strong effort in the human body analysis area, specially over the last decade, due to the technological improvements ...

    Investigation of continuous-wave range-resolved lidar systems for gas detection and concentration measurement 

    Batet Torrell, Óscar (Date of defense: 2011-07-27)

    The techniques for detection of the atmosphere constituents and their distribution in the space have evolved in the last years driven by needs in the environmental, meteorological and climate science fields and backed by ...

    Matrix completion with prior information in reproducing kernel Hilbert spaces 

    Giménez Febrer, Pere Joan (Date of defense: 2021-02-11)

    In matrix completion, the objective is to recover an unknown matrix from a small subset of observed entries. Most successful methods for recovering the unknown entries are based on the assumption that the unknown full ...

    On the resource abstraction, partitioning and composition for virtual GMPLS-controlled multi-layer optical networks 

    Vilalta Cañellas, Ricard (Date of defense: 2013-12-03)

    Virtual optical networking supports the dynamic provisioning of dedicated networks over the same network infrastructure, which has received a lot of attention by network providers. The stringent network requirements (e.g., ...

    Parallel scalability of face detection in heterogeneous multithreaded architectures 

    Oro García, David (Date of defense: 2020-11-17)

    Recently, facial recognition systems have become extremely popular and deployments of this technology are now ubiquitous. Applications ranging from access control to automated surveillance of video feeds rely on facial ...

    Resource optimization in SDN-based inter/intra data centre networks 

    Montero Herrera, Rafael (Date of defense: 2020-07-23)

    Upon the demanding requirements brought by next-generation services, current network infrastructures are required to evolve in the way they manage different types of resources at the data layer. To this end, a set of novel ...

    Speaker diarization and tracking in multiple-sensor environments 

    Luque Serrano, Jordi (Date of defense: 2012-12-21)

    This thesis verses about the research conducted in the topic of speaker recognition in real conditions like as meeting rooms, telephone quality speech and radio and TV broadcast news. The main objective is concerned to the ...