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%	Thanks Mum!
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\section*{Acknowledgements}
I wish to express my sincere gratitude to Dr. Georgy Fazekas, Lecturer in Digital Media at Queen Mary University of London, for giving me the opportunity to work on this state-of-the-art field and for his guidance and valuable suggestions during the planning and development of this project. I also wish to acknowledge the supplementary assistance provided by Dr. Tony Stockman and Dr. Mathieu Barthet during my time as a student at Queen Mary University of London.
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I am particularly grateful with National Government of the Republic of Ecuador for awarding me with a scholarship to study a postgraduate taught degree at a high-quality research university in the United Kingdom of Great Britain and Northern Ireland.
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Finally, a special warm thanks goes to my parents, my brothers and Miss Ana Costilla for their support and encouragement throughout my studies.