1. Department of Civil, Computing and Aeronautical Technologies Engineering, Roma Tre University, Via Vito Volterra 62, 00146, Rome, Italy
2. School of Computing and Engineering, University of West London (UWL), St Mary’s Road, Ealing, London W5 5RF, UK
3. The Faringdon Research Centre for Non-Destructive Testing and Remote Sensing, University of West London (UWL), St Mary’s Road, Ealing, London W5 5RF, UK