The survey of the Basilica di Collemaggio in L’Aquila with a system of terrestrial imaging and most proven techniques

Abstract

The proposed job concerns the evaluation of a series of surveys carried out in the context of a campaign of studies begun in 2015 with the objective of comparing the accuracies obtainable with the systems of terrestrial imaging, compared to unmanned aerial vehicle imaging and laser scanner survey. In particular, the authors want to test the applicability of a system of imaging rover (IR), an innovative terrestrial imaging system, that consists of a multi-camera with integrated global positioning system (GPS)/global navigation satellite system (GNSS) receiver, that is very recently released technique, and only a few literature references exist on the specific subject. In detail, the IR consists of a total of 12 calibrated cameras – seven “panorama” and five downward-looking – providing complete site documentation that can potentially be used to make photogrammetric measurements. The data acquired in this experimentation were then elaborated with various software packages in order to obtain point clouds and a three-dimensional model in different cases, and a comparison of the various results obtained was carried out. Following, the case study of the Basilica di Santa Maria di Collemaggio in L’Aquila is reported; Collemaggio is an UNESCO world heritage site; it was damaged during the seismic event of 2009, and its restoration is still in progress

Integrated Imaging Approaches Supporting the Excavation Activities. Multi-Scale Geospatial Documentation in Hierapolis (Tk)

“…(Fangi 2007;Fangi et al 2008). Recent experiences that have tested the V10 have found an accuracy of the results obtained comparable with those obtainable by close range photogrammetry (Baiocchi et al, 2017) even by checking the position of control points measured by total station (Cera & Campi 2017) Both the aerial and terrestrial techniques have been deeply compared with well-known techniques in order to stress the possibility to use this system both for operators involved in the archaeological excavation contexts and to evaluate the chance to navigate DSM, orthoimages, or other metric models with the aim to continue to read and interpret the excavation site even not directly on the field.…”