Abstract
Abstract. Nowadays, the employment of rapid mapping solutions for architectural survey is more and more considered, not only for the strong reduction of the primary data acquisition times, but also thanks to their adaptability to various contexts, especially in the framework of Cultural Heritage documentation where tailored solutions are required. The combined use of Mobile Mapping Systems (MMS), Unmanned Aerial Vehicles (UAV) for close range aerial image acquisition, and Terrestrial Laser Scanning (TLS) seems to be an effective solution for the architectonic scale compliant to the level of detail and accuracy of 1 : 200, and 1 : 100 scales. The present research tries to evaluate the use of a handheld MMS, the ZEB-Revo RT by Geoslam, an UAV, the DJI Mavic Pro, and a LiDAR system, the Faro Focus3D S 120 by CAM2. The complex case of the documentation metric survey of Palazzo Ducale in Gubbio, the Montefeltro’s Palace, now hosting the museum of itself, allows the comparison of the effectiveness of the used technologies.
Highlights
Historical complexes constitute a challenge for documentation, conservation, and understanding purposes referring to policies of museum management in which a reliable 3D model plays a crucial role for different investigations and uses
Among the various type of Mobile Mapping System (MMS), devices based on Simultaneous Localization And Mapping (SLAM) algorithms are increasingly used by many users operating in the field of Geomatics
The employment of Unmanned Aerial Vehicle (UAV) is certainly a growing solution to obtain the aerial point of view (Crommelinck et al, 2016; Hardin et al, 2019) and its integration with SLAM-based sensors is hereby evaluated as complementary solutions to rapidly map architectural complexes
Summary
Historical complexes constitute a challenge for documentation, conservation, and understanding purposes referring to policies of museum management in which a reliable 3D model plays a crucial role for different investigations and uses. In the last few years, the development of newest technologies in the framework of Mobile Mapping System (MMS) is providing a valid and growing contribution to 3D metric documentation of built heritage beside the well-known capabilities of Terrestrial Laser Scanning (TLS) and automatic digital photogrammetry. SLAM-based data can be integrated with point clouds acquired by Laser Scanning devices or extracted from images thanks to automatic digital photogrammetry. The use of a multi-sensor derived data integration approach is nowadays largely employed in the framework of Cultural Heritage documentation and allows to achieve greater adaptability as far as 3D metric acquisition in different scenarios is concerned
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