1. Centro de Computação Gráfica,Guimarães,Portugal
2. Instituto Politécnico de Setúbal, Escola Superior de Tecnologia de Setúbal,Setúbal,Portugal
3. University of Minho,ALGORITMI Research Centre,Guimarães,Portugal
4. School of Sciences and Technology Institute for Innovation, Capacity Building and Sustainability of Agri-Food Production, University of Trás-os-Montes e Alto Douro,Dpt. of Engineering,Vila Real,Portugal
5. School of Sciences and Technology, University of Trás-os-Montes e Alto Douro, University of Minho,ALGORITMI Research Centre,Department of Engineering,Vila Real,Portugal