Comparative data processing methods: analysis and considerations on photogrammetric outputs obtained from UAV. The case study of the facade of the Church of the Certosa di Pavia

The technological advancement, which affects the instrumentation and updating of software in the context of integrated architectural survey, invites to experiment with new and improved forms for the optimization of the acquired data. Through the case study of the facade of the monumental complex of the Certosa di Pavia, the present research focuses on the methodologies of data processing obtained through aerial photogrammetry with UAV systems, finally comparing the results achieved through the use of two different software for the reliable three-dimensional rendering of the sculptural apparatus on the facade.