Tecnologie innovative per il patrimonio culturale: i droni.

One of the most innovative technologies is the Low Altitude Remote Sensing, characterized by low altitude acquisition using UAV. The UAVs, acquiring with a very high-resolution, can detect structural and architectural details of buHdings. It is possile to identify any structural damages and crack patterns. The processing of these images allows the knowfedge of the state of conservatìon, the damage of the architectural building, including the material degradation and the crack of the analyzed object. The pur pose is aimed at showing that the UAVs become a tool able to revolutionize the field of architecture and restoration, by the landscape mapping, and scanning of urban infrastrvcture and monumentai buildings in order to assure a continuous monitoring, but also for the conservation of heritage. This study explores why the use of automated photogrammetric systems, based on Sfm algorithms, is widely used for study of Cultural Heritage. The paper focus on examples of 3D reconstruction of archaeological sites and architectural building in order to illustrate how correct processing of imagery can be carried out and how the optimum reconstructive study can be implemented.