Fallahpour Reza, Mehdi (Date of defense: 2009-12-14)
High capacity image data hiding methods and robust high capacity digital audio watermarking algorithms are studied in this thesis. The main results of this work are the development of novel algorithms ...
Vilajosana Guillén, Xavier (Date of defense: 2009-03-13)
La tesis presenta una aproximació a un conjunt de tècniques per permetre l'extensió de les capacitats computacionals, sota demanada, en comunitats formades per usuaris d'Internet que volen agregar els ...
Peña López, Ismael (Date of defense: 2009-09-08)
With this work, our aim is to analyze how and why the different approaches to model and measure the Information Society have determined what is meant by the concept of access to Information and Communication ...