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Authors: Costanzo, Antonio* 
Pisciotta, Antonino* 
Pannaccione Apa, Maria Ilaria* 
Bongiovanni, Simona* 
Capizzi, Patrizia* 
D'Alessandro, Antonino* 
Falcone, Sergio* 
La Piana, Carmelo* 
Martorana, Raffaele* 
Title: Integrated use of unmanned aerial vehicle photogrammetry and terrestrial laser scanning to support archaeological analysis: The Acropolis of Selinunte case (Sicily, Italy)
Journal: Archaeological Prospection 
Series/Report no.: 2/28 (2021)
Publisher: Wiley
Issue Date: 2021
DOI: 10.1002/arp.1804
Keywords: 3D reconstruction
archaeological survey
digital elevation model
Selinunte Archaeological Park
terrestrial laser scanning
unmanned aerial vehicle photogrammetry
Subject Classification05.04. Instrumentation and techniques of general interest 
04.02. Exploration geophysics 
05.02. Data dissemination 
05.06. Methods 
Abstract: Southwestern Sicily is an area of infrequent seismic activity; however, some studies carried out in the archaeological Selinunte site suggest that, between the fourth century BC and the early Middle Ages, probably at least two earthquakes strucked this area with enough energy to damage and cause the collapse and kinematics of much of the architecture of Selinunte. Take into account that, in 2008, a noninvasive archaeological prospection and traditional data gathering methods along the Acropolis north fortifications were carried out. Following these first studies, after about 10 years, a new geophysical campaign was carried out. This second campaign benefited from the application of modern technologies for the acquisition and processing of the point cloud data on the northern part of the Acropolis, like terrestrial laser scanning and unmanned aerial vehicle photogrammetry. In this paper, we present the application of these techniques and a strategy for their integration for the 3D modelling of buildings and cultural heritages. We show how the integration of data acquired independently by these two techniques is an added value able to overcome the intrinsic limits of the individual techniques. The application to Selinunte's Acropolis allowed it to highlight and measure with high accuracy fractures, dislocation, inclinations of walls, depressions of some areas and other interesting observations, which may be important starting points for future investigations.
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