Information Engineering Department of the University of Padova, Padova, Italy.|Information Engineering Department of the University of Padova, Padova, Italy.|Information Engineering Department of the University of Padova, Padova, Italy.|Information Engineering Department of the University of Padova, Padova, Italy.|Information Engineering Department of the University of Padova, Padova, Italy.|Information Engineering Department of the University of Padova, Padova, Italy.|Information Engineering Department of the University of Padova, Padova, Italy.|Information Engineering Department of the University of Padova, Padova, Italy.|Information Engineering Department of the University of Padova, Padova, Italy.