Abstract
We would like to take this opportunity to thank all contributors of this book, and all people working into the two involved research groups: Image Processing Lab (Catania University) and Advanced System Technology, Catania Lab (STMicroelectronics). A special thanks to Massimo Mancuso for having contributed with his extraordinary tenacity and competence to establish an imaging R&D group in Catania. We also thank prof. Giovanni Gallo for his invaluable help and support