Documenting the State of Preservation of Historical Stone Sculptures in Three Dimensions with Digital Tools

Protection of stone heritage requires detailed records of the state-of-preservation to ensure accurate decision-making for conservation interven-tions. This short paper explores the topic of using digital tools to better visual-ize and map in three-dimensional (3D) representations the deterioration state of stone statues. Technical photography, geomatics techniques, and 3D visualiza-tion approaches are combined to propose reproducible and adaptable solutions that can support the investigation of historical materials' degradation. The short paper reports on the application of these multi-technique approaches regarding a bust sculpture from the Accademia Carrara in Bergamo (Italy).