||The thesis has been prepared as the requirement of the Master Science Degree in Mechanical Engineering care of the University of Padova, Italy.
The work has been carried out during the period February 2003 to July 2003 at Center for Geometrical Metrology, Department of Manufacturing Engineering and Management, Technical University of Denmark, kgs. Lyngby, Denmark) under supervision of Prof. Leonardo De Chiffre and M.Sc. Giuliano Bissacco.
First of all I would like to express thanks to my family for the great and irreplaceable support.
Special thanks are for my supervisors Leonardo and Giuliano, for their inspiration, valuable contributions and indispensable advices to my work.
A particular "thank you" is for Rene´ Sobiecki for his help, assistance and the interest expressed towards my work.
I would like to thank my friends for the great time, the encouragements and the advices.
Kgs. Lyngby, July 2003.