Schulz, Henrik (Date of defense: 2017-03-02)
The transcription of spontaneous speech still poses a challenge to state-of-the-art methods for automatic speech recognition. The present thesis describes the comprehensive development of a large ...
Ghahabi Esfahani, Omid (Date of defense: 2018-05-29)
Over the last few years, i-vectors have been the state-of-the-art technique in speaker and language recognition. Recent advances in Deep Learning (DL) technology have improved the quality of i-vectors ...
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 ...
Martín González, Laura (Date of defense: 2019-04-30)
The dynamic behavior of the traffic demand, due to the advent of technologies such as cloud services or Internet of Things (IoT), is increasing. In fact, heterogeneous connections with different ...
Ferrer González, Pere Josep (Date of defense: 2015-07-17)
Over the last decades, Metamaterials (MTMs) have caught the attention of the scientific community. Metamaterials are basically artificially engineered materials which can provide unusual electromagnetic ...
Gallego Vila, Jaime (Date of defense: 2013-10-14)
Foreground segmentation in video sequences is an important area of the image processing that attracts great interest among the scientist community, since it makes possible the detection of the objects ...
Valencia Domènech, Enric (Date of defense: 2012-10-17)
The knowledge of sea surface salinity (SSS) is a key issue to understand and monitor the Earth¿s water cycle. Accurate and systematic measurement of SSS was not possible until the ESA¿s Soil Moisture ...
Jové Casulleras, Roger (Date of defense: 2015-02-17)
The submitted Ph.D. thesis is a contribution to the development of pico-satellites and nano-satellites for Earth Observation and Technology Demonstrators. Development of satellites with a mass from 1 ...
Berbakov, Lazar (Date of defense: 2013-07-11)
In recent years, wireless sensor networks have attracted considerable attention in the research community. Their development, induced by technological advances in microelectronics, wireless networking ...
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 ...