Vilaplana Besler, Verónica (Date of defense: 2010-12-17)
One of the central problems in computer vision is the automatic recognition of object classes. In particular, the detection of the class of human faces is a problem that generates special interest due ...
Silva Pereira, Silvana (Date of defense: 2012-01-26)
Wireless sensor networks are developed to monitor areas of interest with the purpose of estimating physical parameters or/and detecting emergency events in a variety of military and civil applications. ...
López Martinez, Carlos (Date of defense: 2003-06-02)
Los Radares de Apertura Sintética, o sistemas SAR, representan el mejorejemplo de sistemas activos de teledetección por microondas. Debido a su naturaleza coherente, un sistema SAR es capaz de adquirir ...
Carrizo, Carlos E. (Date of defense: 2019-09-20)
Massive amounts of information are created daily in commercial fields like earth observation, that must be downloaded to earth ground stations in the short time of a satellite pass. Today, much of the ...
Palma Lázgare, Israel Romualdo (Date of defense: 2011-10-24)
New and future telecommunication networks are and will be broadband type. The existing terrestrial and space radio communication infrastructures might be supplemented by new wireless networks that make ...
Nova Lavado, Enrique (Date of defense: 2013-07-22)
This thesis presents the development and assessment of imaging techniques in the millimeterwave (mmW) and terahertz frequency bands. In the first part of the thesis, the development of a 94 GHz passive ...
Casas Pla, Josep Ramon (Date of defense: 1996-03-29)
En aquesta tesi s'estudien els mètodes de codificació d'imatges i seqüències de vídeo des del punt de vista de la forma en què el sistema visual humà percep i entén la informació visual. La ...
Pablos Hernández, Miriam (Date of defense: 2016-10-03)
The first three of a series of new generation satellites operating at L-band microwave frequencies have been launch in the last decade. L-band is particularly sensitive to the presence of water content ...
Flores Jiménez, Alejandro (Date of defense: 2000-02-04)
Los sistemas de posicionamiento global GNSS (GPS y GLONASS) se han convertido en una herramienta básica para obtener medidas geodésicas de la Tierra y en una fuente de datos para el estudio atmosférico. ...
Gelabert Doran, Xavier (Date of defense: 2010-07-12)
Las redes inal´ambricas actuales exhiben caracter´ısticas heterog´eneas de acceso m´ultiple mediante el despliegue, la coexistencia y la cooperaci´on de varias Tecnolog ´ıas de Acceso Radio (RAT2). ...